physical oceanography at dalhousie university€¦ · 8 ( ` % < ! " # $ "% .-# ,%...

38

Upload: others

Post on 24-Aug-2020

11 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

��������� ��������������������������� �!�����#"$&%��'�����(�)�(&���(��� �*�� �+%,�-%.�/���0 ���1�� ��% 0 ����&�2�'����&%�354������� ����%��768����%)���/&%�35��%��(���/�(�9":3���&�;�8���(��%���<����

=$>@?BA CEDGF/HI?!J/K/L�>@M$NPOQ>@?/JSRTF/M$>UK!M$?/VXW<>ZY[F�M$\]VX=!^`_�\]HIM:acb�MdacY[Fe�HIf/M$\ga]O�Hh?�a8N:i1j�YIHIM$?/NPJ$\cM$f/FBA$Kke�M:l@F/NPC!m]>@H�n9?/>poPHI\gm]>paqA

rsM:l@>ZitMvuTK!w9Nxo:MQDGYIN$a]>yM!K�z{M$?�M$V�MGK�|{}Pr�~�= �

�Q�:����� �I�k�x��q�q�x�&���t���������c���Q�[���&�[������� ���v�����B���q�q���P���x�g���Q���P�B�����G�B�c�x� ���x� �P¡�����¢£�G���B�[� � ���x���[��� � ���:� �[�G� ��� ¢@�x�c�9�c�:�v���p�B�B�� ¡B����¢`¤¥��¦x���[�G�x�[�v�q�q� �x§ ¡��p�8�x�B¦x���c� ���v��¨

DGF/N$\ga8ac>pacl@H:© �Bª+«{¬+­S��®°¯+±{²´³¥µ±¶³*®°¬�³¥²+·k¸�ª1® «{¯¹«´¯ºª�»-µ¼� ³�«{ª1®°¸+¯¹�P»-µ·`½

�P²-¾1­S®°ª�ª�µ¿±Àª-«¹Á¹ÂBÃÄ-ÅÇÆUÁ-ÈÉÆ Â�ÂÇÊTÄÀË¥Ì�Í@ÃÎ8Ë8Ï1Î�Ä* ÂÐÆUÑ7Ë8ÅÇÄ¿Á+Ñ�Ë8Ï¥Î+Á+ÿÒ'Ó-Ô

Page 2: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

��������� ������ a��+N����-M�A ?/HhmgacHhV��qJ$\]>@VENGYhH�M$? OQNGV/Hhl@lZ>@?/JSmgA m&acHIO >@msC!m]HIV a]NÉmgacC!V!AEa]F/H C/f/f`HI\�N YIHIM$?

\]Hhm]f`NP?/mgHQN:i�a]F/HSDGYhN$ac>@M$? DGF/HhlZi�acN2r<C/\]\g>@YIM$?/HS=$C�M:? >Z? DGHhf!acHhO bkHh\ ����� }G^��´F!HQ?!HImga]HIV��°JP\]>ZVmgA m&acHIO YhNP?/m]>Zmga]m9N$i*M���?/H��°JP\]>ZV2>@?/?/Hh\8O�N V/HIl�YhNxoPHI\g>@?/JSacF!H DGYhN$ac>@M$?XDGF/HhlZi1M:?/VEM:V �]M$YIHh?Basmgl@NPf`HM$?/V M�YINBM$\gm]H!�qJP\g>@V NPCGacHI\sO�N V/HIlYINxo$HI\]>Z?/J�acF!H ?/NP\ga]F��-Hhmga � acl@M$?Bac>ZY j�YIHIM$?Ç^"�´F/H mg>@O C/l@M:acHhVC/f/f`HI\ N YIH�M:? \gHIm]f`NP?/mgH�a]NEr<C/\]\g>@Y�M:?/H�=$C/M$? >Zm'Y[F�M$\cM:YhacHh\]>$#IHIV¼b�A l@M$\]J$H V/>Zo$HI\]J$HI?Ba mgC/\gitM$YhHYIC!\]\]Hh?Bacm+i�N$\]YIHhV�bBA acF/H9l@N Y�M$l��8>@?/VQi�NP\]Yh>@?/J C/?/V/Hh\+a]F/H9m&acNP\gOXK�>Z?�a]HI?/mgHs>Z?/HI\&ac>yM:l/YIC/\g\]Hh?�a]m->Z?�acF!H�-M�%$H�N$i�a]F/H�m&acNP\gOXK!M$?/V�mgH�M m]C!\gitM$YhH�acHIOQf`HI\cMdacC/\gH�&UD!D��('+YIN NPlZ>@?/J acF�M:a->@m+b/>yM$mgHIV�a]NÐacF/Hs\]>@J$F�aN$i¥a]F/H mgacN$\]O ac\]M$Y)% M$?/VEM$JP\]HhHIm(�-Hhl@l*�8>Za]FEMQmcM:a]HIl@lZ>Za]H�V/HI\g>ZoPHhV M$?�M:lZA m]>ZmI^+�´F/H F�C/\]\g>@Y�M:?/HÐM:l@m]NJPHh?/HI\]M:acHhm´m]F/HhlZi,�{M�o$HIm´acF�Mda´f/\]N$f�M$JBM:a]H�H.-�C�MdacNP\/�{M$\gV0�8>ZacF�a]F/H�YhNBM$mga]l@>Z?/HsNP?�a]F/HI>Z\{\]>ZJPFBa�^1e�C!HacNSacF!H >Z?21�C/Hh?/YIH N$i*a]F/HÐ_'C/lpi*D ac\gH�M$O >Z? a]F/H V!HIHIf3�{MdacHI\<N�4 a]F/H D YIN$a]>yM$?XDGF/HhlZi K�mgNPO�H N$iacF/H?/HIM$\/�°>@?/Hh\gac>@M$l�HI?!HI\]J:AEH�u!Yh>Za]HIV bBA2acF/H m&acNP\gO >@m9M$V!oPHhYha]HIV H�M$m&a��{M:\]V >@?Ba]N�acF!H NGYhH�M$?E>@?BacHh\]>@N$\I^5q? YhNPO�f/M$\]>Zm]NP?3�8>ZacFXacF/H NPC!acHh\sOQNGV!HIl(\]Hhm]C/lpacmIK`acF/HÐ>@?/?/Hh\9OQN V/HIl\]Hhm]NPlpoPHImsO�NP\gH OQHImgN��qmgY�M$lZHmga]\]C/Y acC/\gHImhK`J$\]H�MdacHI\9D/D6� YIN NPlZ>@?/JSM$?!V m&ac\gNP?/JPHh\<>Z?/HI\&ac>@M$lTYhC/\]\gHI?Bacm<>@?ÉacF!H m&acC/VGA2\]HIJ$>@NP?Ç^

Page 3: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

}

����� %-�!���<�'���T�/ �-%

�´F/HQO M:>@? f/C/\gfkNPmgH�N:i+a]F/>@m'mga]C/V!A >@m�a]NXH�u!M$O�>Z?/H acF/HSC/f!fkHh\ N YIHIM$? \gHImgfkNP?!m]H N:i-acF!HDGYhN$ac>@M$? D F/HIlpi &UD!D '�M$?/V M:V �]M$YIHh?BaÐmgl@NPf`H acNXM OQNxoG>Z?/J2mga]NP\]O)C/mg>@?/JXMÉacF/\gHIH��°V/>@OQHI?!m]>@N$?�M$lN YIH�M:? YI>@\gYIC/l@M:ac>ZNP?EOQN V/HIl£^��¼H M:\]H OQN$ac>po:M:acHhV bBAEacF!HÐitM$YhasacF�M:asacF/H mgF/HIlpi�YI>@\gYIC/l@M:ac>ZNP? M:?/VacHhO�f`HI\]M:acC!\]H��dmcM$lZ>@?/>paqA & ��PD 'sV/>Zmga]\]>@b!C!ac>ZNP?/m�NP? a]F/HQD/D M$?/V m]lZNPfkHSM:\]H i�\]H�-�C/HI?BaclpA M�4kHIY acHIVbBA �8>@?BacHh\smga]NP\]OQm9M$?/VEN YIYIM$m]>ZNP?�M$lZlZA b�A F�C/\g\]>@YIM$?/HhmI^(�´F/HI\gHÐ>@mhKkF!N��+Hho$HI\hK�M�l@M$Y)%ÉN$i1f/\gHho >@N$C/mmga]C/V/>ZHImÐN$?¼mga]NP\]O��q>Z?/V/C/YhHIV YIC/\g\]Hh?�a]m M$?/V ��PD Y[F/M$?/JPHhmÐNP? acF/H�D/DkKM$?¼>Zm]mgC/H N$i-YINP?!YIHI\g?>@? o >@H�� N$i-a]F/HQ\]HIYhHI?Ba C!f/m]C/\gJPH >Z? >Z?/V/C/m&ac\g>yM$l1M:Yhac>po >Zac>ZHIm &�H$^ J/^�N�4km]F/N$\]HQNP>@l�M$?!V JBM:mIK¥M:?/VM�-�C�M$YhC/lZa]C/\]H ' ^

r9C!\]\]>ZY�M$?!H =$C�M:? >@m<Y[F/NPmgHI? >Z?XacF!>@m<mgacC!V!AP^(�´F/>@m<mga]NP\]O b`HIJBM:? M$m9MQa]\]NPf/>ZY�M$l(V/Hhf/\]Hhm]mg>@NP?l@N Y�MdacHIVEM:a�M:bkNPCGa�~� � % O�m]N$C!acF/HIM$mga�N$i�|-HI\gO C/V�M M:a ��� © ��� � e � &£M:l@l�ac>ZO�Hhm9>Z?EacF/>Zmsm&acC/V!AM$\gHÐ>@? � acl@M$?Bac>@Y e�M�A l@>@J$F�a(�´>ZO�H & � e �(' ' KTDGHhf!acHhO bkHh\ � � K ����� }!^(5°as>Z?�a]HI?/mg>$��HhV M$ms>pa<O�NxoPHhV?/NP\&acF��+HImga��-M$\gV M$?/V bkHhY�M$OQHSMÉac\]N$f/>@YIM$l*m&acNP\gO)M$b`NPC!a��ÉF/NPC/\gm'lyM:a]HI\I^��´F!HQm&acNP\gO acC!\]?/HhV?/NP\&acF��-M$\]V M:a � �G© ��� K(DGHIfGacHIOÐbkHh\ ��� &��*>ZJ/^ � ' K(M$?/V O�M$V/H l@M$?/V!itM:l@lNP? acF/H mgNPC!acF YINPM$mga'N$iw9Nxo:M�D YIN$a]>yMS?/H�M$\srsM$lZ>ZitMduÉM:a ��� © �� M:OXKkDGHhf!acHhO bkHh\ ��� M$m9M�Y�MdacHIJ$NP\gA � F�C/\g\]>ZY�M$?/H &tN$?XacF!HD!M��Q\ �&DG>ZO�f/mgNP? r9C!\]\]>ZY�M$?!HQDGY�M$lZH'�K �8>ZacF O�MduG>@O C!O.mgC/mgacM$>@?/HhV �8>@?/V/m'N$i ����� %�O,F�����M:?/VJPC/m&acm'acN2NxoPHh\ ��� � %�O,F���� &��(H o >@?/mgNP?�� � M$f!l@H$K ����� ~ '�^Sr9C/\g\]>@YIM$?/H�=$C�M$? �-M$m�acF/HQO�N$mgaf`N��+HI\&i�C/lmgacN$\]O acNQF/>pasw<Nxo$M�DGYhN$ac>@MQ>Z?XOQNP\]H�a]F�M$?XM�YIHh?BacC/\&AXlZH�M$V!>@?/J acNSacF!H lZNPm]m<N$i¥mgHho$HI\cM:ll@>poPHhmIK/f/\gNPf`HI\gaqA2V/M$O M:JPH �+NP\ga]F M:a8lZH�M$m&a"! ���� OQ>@l@lZ>@NP?�M$?/V2OQ>@lZl@>@N$?/m+N:i*C/f!\]N N$acHhV a]\]HIHhmI^

r9C!\]\]>ZY�M$?!H =$C�M:? M$lZm]NQJPHI?/Hh\cM:a]HIVXm]>@J$?/>$��YIM$?Ba8acHIOQf`HI\cMdacC/\gH Y[F�M:?/JPHIm9>@?2acF/H C/f/f`HI\<N YIH�M:?>@? a]F/HQo >ZYI>@?!>ZaqA N:i-acF!HQm&acNP\gO,ac\]M$Y)%�^#�*>ZJ/^ � mgF/N�8m a]F/HSNPb/m]Hh\go$HIV Y[F�M$?!JPH�>Z? m]H�M m]C/\&itM$YIHacHhO�f`HI\]M:acC!\]H &UD/D��('�i�\]NPO)DGHIf!a]HIO b`HI\ � 2a]N j�Y acNPb`HI\ � K ����� }2HImga]>@O�M:acHhV i�\gNPO)mcMdacHIlZl@>pacH\]HhO�N:acH8m]Hh?/m]>Z?/J D/D6�¹V�M:acM!^ �´F/Hh\]H(�{M$m�mgA m&acHIO�M:a]>@Y9D/D��¹YhNGN$l@>@?!J'M:a+M$bkN$C!a$� � % O#a]N a]F/H<\]>@J$F�am]>ZV/H N$i1a]F/H mga]NP\]O ac\]M$Y)% & �8F/Hh? itM:YI>@?!J�>@?Ea]F/H V/>Z\]HhYhac>ZNP?EacM�%$Hh? bBAXacF/H m&acNP\gO�'<M$l@l(acF!H �{M�Ai�\]N$O acF/H V/HIHhf �{M:a]HI\9N�4 a]F/H D YIN$a]>yM$?EDGF/HhlZi1acNQacF/H _'C!lZi¥N:i�D a�^"�(M �8\]HI?!YIH$^ �´F/H O�MduG>@O C!OD/D���YhNGNPlZ>@?/JQV/C/H acNÉr<C/\]\g>@Y�M:?/HS=$C�M$? �{M$m'M:bkNPCGa�} %[z�NxoPHh\sacF!H YIHh?�a]\cM$l¥DGYIN:ac>yM:? DGF/HhlZi�M$?/VM$V �]M:YIHI?Ba�mgl@NPf`H0&��*>@J!^ � '�^�j�? H�M$Y[F mg>@V/H N$i1acF!HSD/D���YIN$l@V �-M�%$H:KÇacF/Hh\]H �-M$m'M m&ac\g>@f N$i+D!D���-M$\]OQ>@?/JQM$mgm]N YI>@M:acHhV3�8>pacF2acF/H mga]NP\]O ^ �´F!HÐY[F�M$?!JPHIm<>@?2acF/Hh\]O�M$l�mga]\]C/Y acC/\gH f!\]N V/C/YIHhV bBAÉacF/H

Page 4: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

~

mga]NP\]O F/M$VXa]F/H f`N$a]HI?Bac>@M$lÇacN�m]>@J$?/>$��YIM$?BaclpAÉM�4kHIY a9a]F/HÐHh?�o >Z\]NP?/OQHI?BacM$l(F�M$b/>pa[M:a<M$?!VEb/>ZNPl@NPJ$>@Y�M:lf/\gNGV/C!Yhac>po >ZaqA�>Z?ÉacF/H'\]HhJP>@N$?Ç^

�´F/HSC/f/f`HI\�N YIHIM$? \]Hhm]f`NP?/m]HSacN��8>Z?/V mga]\]HImgm M$?/V f/\]Hhm]mgC/\]HSi�NP\]Yh>@?/J2M:m]m]N YI>@M:acHhV �8>ZacF MOQNvo >Z?/J m&acNP\gO�F/M$msb`HIHh? >@?BoPHhmga]>@JBM:a]HIV >Z?Xa]F/HÐf�M:mga�^s_�HI>@mgl@Hh\ & ��� � '{>Z?�o$HIm&ac>@JPM:acHhVEacF/H l@>Z?/H�M$\V!A ?�M$OQ>@Yhm´N$i(acF/H'N YIHIM$?2\]HImgfkN$?/m]H�acNQM OQNvo >Z?/J mga]NP\]O5b/C!a8V/>ZV ?!N$a8YINP?!m]>@V!HI\{acF!H�O�>�u!HhV2lyM�APHh\H�4kHIY a�^ z-F�M$?/JXM$?/V � ?�a]F/HIm�& ��� � '9YhNPO b/>Z?/HIV acF!H�OQ>puGHIV l@MxA$HI\�H�4THhYhacm M$?/V V!A ?�M$OQ>@Yhm'>@?M NP?!H M$Yha]>Zo$HÐlyM�A$HI\�OQNGV!HIlU^��1\]>ZYIH0& ��� �!� '8HhO bkHhV/V/HhV M�O�>�u!HhVEl@MxA$HI\�OQN V/HIl>@?EM O C/lpac>@l@M�APHI\acF!\]HIH!�qV/>ZO�Hh?/m]>ZNP?�M$l¿?�C/O�Hh\]>ZY�M$l¥OQN V/HIl£^ _�\]H�Mdacb�M:a]Y[F & ��� � }�'sC/m]HhV¼M � �

��°lyM�APHh\�NGYhH�M$? OQNGV!HIl

acNX>@?BoPHhmga]>@JBM:a]HQa]F/H ?!NP?/l@>Z?/H�M:\ VGAG?/M$O�>ZYIm N$i{a]F/H \gHIm]f`NP?/mgH$^3�´F/HImgH�mga]C/V/>ZHIm V/HhO�N$?/mga]\cM:a]H$KC/mg>@?/J2OQNGV/Hhl@m�M:?/V N$b/m]Hh\go:M:ac>ZNP?/mhK(a]F�M:a�a]F/HSC/f/f`HI\'NGYhH�M$? \]Hhm]f`NP?/mgHSa]NEMÉOQNxoG>Z?/JÉmga]NP\]O >@mY[F�M$\]M$Yha]HI\g> #IHhV bBA M YhNPl@V3�{M�%$H b`HIF/>Z?/VEacF!HÐmga]NP\]O KkM$?/V >Z?/HI\&ac>yM:lN$m]YI>Zl@l@M:ac>ZNP?/m{acF/M:a�M$\gHÐOQNPmgaHI?!HI\]J$Hhac>ZY a]NQa]F/H'\]>ZJPFBa9N:i*acF!H m&acNP\gO ac\]M$Y)%�^+�´F/HÐD/D���YhNGNPlZ>@?/J >Zm<M$l@mgNQb!>yM$mgHIVXa]NQa]F/H \]>@J$F�a8N:iacF!H mgacN$\]O ac\cM:Y)% M$?/V m&ac\]N$?/JPlZAXV/HhfkHh?/V/HI?Ba NP? a]F/H F�C/\]\g>@Y�M:?/H ac\]M$?/m]l@M:ac>ZNP?EmgfkHhHIVÇK*�8>pacF acF!HJP\gH�M:a]HI\�YIN NPlZ>@?/J i�N$\�MÉm]l@N�+HI\�OQNxoG>Z?/JÉmga]NP\]O &tmgHIH��1\]>@YhH3& �����!� 'sM$?!V¼_�\]HIM:acb/M:acY[F & � � � � ' ' ^�´F/Hhm]H m&acC/V/>ZHImhKkF/N�+Hho$HI\IKTYINP?/mg>@V/Hh\9N$?/lZAÉa]F/H��&l@N Y�M$l��QN YIHIM$?E\gHImgfkNP?!m]H a]N�MQO�Nxo >@?/JQmga]NP\]O >Z?acF!H YIM$m]H'N$i¥M 1�M:a �°bkN:a]acN$O�HhVÉNPfkHh?XN YIHIM$?Ç^�¶F/Hh? M�m&acNP\gO OQNxoPHIm�i�\gNPO�V/HIHhf �-M:acHh\�acN2M�YhNP?Bac>@?!HI?Ba[M$l¿m]F/HhlZi K(M$V!V/>Za]>@NP?�M:lf!F�A mg>@Y�M:l

f/\gNGYhHIm]mgHIm M$\]H M:a"�-N$\ %EV!C/H acNÉacF!H H uG>@m&acHI?!YIHSN$i�F/>@J$F/lZA2o:M$\gA >Z?/JÉbkN:a]acN$O�a]NPfkN$JP\cM$f!F�A M$?/VYINPM$mga]l@>@?!H$^'j�?/H N:i1acF/H M:V/V/>Za]>@NP?/M$l�f/\]N YIHhm]mgHIm'>@m<acF/H J$HI?/Hh\cM:a]>@NP? N:i�YINP?Bac>Z?/HI?BacM$l*mgF/HIlpi �-M�oPHhmbBA a]F/H m&acNP\gOX^XDGF!HIlZi �{M�oPHhmSY�M$? >Z?Bac\]N V/C/YhH�mg>@JP?!>$��YIM$?Ba a]\cM$?/mg>@Hh?�aÐYIC/\g\]Hh?�a]mSM$?/V m]C/\&itM$YIHHIlZHho:M:a]>@NP? o$M:\]>yMdac>@N$?/m8>@?Xa]F/H YhNBM$mgacM$lNGYhH�M$? &£z-mcM$?�M:V!APK � � ��� '�^ �´F/Hhm]H �-M�oPHIm'M:\]>@mgH i�\gNPO acF/HYIN$O b/>@?!HIV H�4kHIY acm N$i�acNPf`NPJP\]M$f/FBA M:?/V acF/HSHIM$\ga]F� m�\gN$a[Mdac>@N$?ÇK �8F/Hh\]H acF!HQ\gHIm&acNP\g>@?/J�i�NP\gYIH >ZmacF!H JP\cM:V/>@Hh?�as>@?Ea]F/HÐb/M$Y)%�JP\]NPC!?/V fkN$a]HI?Bac>@M$l(oPNP\&ac>@Yh>ZaqA \]Hhm]C/lpac>Z?/J�i�\gNPO�a]F/H HIM$\ga]F� ms\]N$acM:ac>ZNP?Ç^jsoPHh\9OQNPmga8YhNP?Bac>Z?/HI?Ba[M:lmgF/HIlpoPHhmIK�acF/H'o:M$\]>@M:ac>ZNP?�>@? �-M:acHh\<V!HIf!a]F/msV/N$O�>Z?�M:acHhm{acF/H�o:M$\g>yM:a]>@NP?ÉN$iz-NP\g>@NPlZ>@m<f�M$\cM:O�H acHI\sM$?/V F/Hh?/YIH YhNP?Bac\gNPl@msa]F/H OQN$ac>ZNP?Ç^�XM$\ga]>@?/mgHI? Hha�M$lU^ & ��� � '8H u!M$OQ>@?/HhVacF!H�>@OQfkNP\&a[M$?!YIH�N$ib�M:\]N$a]\]NPf/>ZY�m]F!HIlZi �-Mxo$HIm<V/C/\g>@?/J m&acNP\gO Hho$HI?BacmsM$l@N$?/JÐacF!H �-HhmgacHh\]?XYINBM$m&a8N$iw9N$\ �-MxA$^ _�NP\]V!NP? M$?/V r<C!acF/?/M$?/YIH3& ��� � �'<mga]C/V/>ZHIV mga]NP\]O��qV/\g>Zo$HI? YIN$?�a]>@?/Hh?Ba[M$l¿m]F/HhlZi �{M�oPHhmNxoPHh\�acF/HQDGYhN$a]a]>@mgF z-NP?Bac>@?!HI?Ba[M$l¥DGF/HhlZi+M$?/V f/\gHImgHI?BacHhV M OQNGV!HIl¿i�N$\sacF/HÐJPHI?/Hh\cM:a]>@NP? N:i�m]F/HhlZi�-Mxo$HIm >@? a]F/HS\]HIJ$>@NP?Ç^�5q? MÉ? C!O�Hh\]>@YIM$l*m&acC/VGA N$i�acF/HS\gHIm]f`NP?/mgHSN$i+M$? >@V/HIM$l@>$#IHIVENGYhH�M$? acN M

Page 5: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

ac\]M�oPHIlZl@>Z?/J�m&acNP\gOXKkDGl � V�M$l(H a�M$l£^�& ����� ~ '{i�NPC/?/V acF�M:a9b`N$acFXmga[M:?/V/>@?!JÉM$?/VXf/\]NPf/M$JBM:a]>@?/J �{M�o$HImM$\gH H�uGYI>Za]HIVXb�AXMSO�Nxo >@?!JQm&acNP\gOX^ �¿M$?/JQHhasM$lU^ & � � � � '->Z?�o$HIm&ac>@JPM:acHhVXacF!H b�M:\]N$a]\]NPf/>ZY�\]Hhm]f`NP?/m]HN$iacF/H��(M$b/\]M$V/NP\<M$?!VXw<H��´i�NPC!?/V/lyM:?/V D F/HIlpoPHIm8acN�M O�Nxo >@?!JQm&acNP\gO C/mg>@?/JQMSl@>@?!H�M$\{b/M$\]N$a]\]NPf!>@YN YIH�M:? OQN V/HIl �8>ZacF \gH�M$lZ>@m&ac>@Y YINBM:mgaclZ>@?/HÐM$?/V acN$fkNPJ$\cM$f/FBA$^ �´F/H A i�NPC/?/V a]F�M:a�a]F/H l@N�+�qOQN V/Hb�M$\gN$ac\gNPf/>ZY mgF/HIlpi �{M�oPHhm'M$\]H f/\]H o:M$l@Hh?�asV/C/HÐa]N�a]F/H m]>ZO�>ZlyM$\g>ZaqA�>@?Ea]F/H a]>@OQHÐM:?/V m]f/M$YIH mgY�M$lZHImN$i¥a]F/H a]\]NPf!>@Y�M:l�YhA YIlZNP?/H i�N$\]YI>Z?/J �8>ZacF acF/H f/\]N$fkHh\gac>ZHIm<N$i¥a]F/HImgHÐl@N�+�°O�N V/H'm]F/HhlZi �-M�oPHhmI^�RTF/M$>& ����� ~ '{C/mgHIV MS?�C/O�Hh\]>ZY�M$l�OQNGV!HIlÇacN�mga]C/V!A2acF/H \]Hhm]f`NP?/mgHÐN$i¥M�mga]HIf��°m]F/HhlZi¥a]N MSOQNvo >Z?/J�m&acNP\gOM$?/V i�NPC/?/VXm]>ZJP?/>$�/Y�M$?Ba<JPHI?!HI\cMdac>@N$?XN$i*m]F/HhlZi �-M�oPHhmI^<r9H m]F/N�+HIVEa]F�M:a<acF/H V/>@mgfkHh\]mg>@NP? \]HhlyM:a]>@NP?i�NP\�acF/H<mga]NP\]O��q>Z?/V/C/YhHIV�m]F/HhlZi �-M�oPHIm8M:JP\]HhHIm �+HIlZl �8>ZacFQacF/H9M$?�M:lZA�ac>ZY<mgNPl@CGac>@N$?�V/Hh\]>poPHIV b�A�w<>@>@lZHI\M$?/V A mcM�% & ��� � ' ^

DG>Z?/YIHÐa]F/HI\gH �+HI\]HÐ?/NÉV/>@\gHIY a�OQH�M$mgC/\]HhO�Hh?�a]m�N$i�YhC/\]\gHI?BacmhKÇacHIOQf`HI\cMdacC/\gH M$?/VEmcM$lZ>@?/>paqA2>@?acF!H oG>ZYI>Z?/>ZaqAXN$i�acF/H m&acNP\gO.a]\cM$Y)%XV/C/\]>Z?/J2r9C!\]\]>ZY�M$?!HQ=$C�M$?ÇK(M�?�C/OQHI\g>@Y�M:l*N YIH�M:? Yh>@\gYIC/l@M:ac>ZNP?OQNGV/Hhl¥b`HIYIN$O�Hhm M�o$HI\gA C!m]Hhi�C!l¥acN NPl*acN2H�u/M:O�>Z?/H acF/HSV/H a[M$>Zl@HhV m&acNP\gO �°>@?/V!C/YIHhV Yh>@\gYIC/l@M:ac>ZNP?NP? a]F/HQD/D M$?/V mgl@NPf`H M$m �-Hhl@l1M$m9acF/H \gHIOQN$acH >@?21�C!HI?/YhHIm'Y�M$C!m]HIV bBA r<C/\]\g>@YIM$?/HQ=$C�M$? &�H$^ J/^pKm]F!HIlZi �{M�o$HImIK*HI?/Hh\]J$A mgf/\]HIM$V/>Z?/J ' ^ 5q? acF/>Zm m&acC/VGA �-HQC/m]HSacF!HSa��+N�� �{M�A ?/HIm&acHhV��qJP\g>@V N YIH�M:?YI>Z\]YhC/lyM:a]>@NP?XO�N V/Hhl@l@>Z?/JQmgA mga]HIO)V/H oPHIlZNPf`HIV b�A RTF�M$>¿Hha M$l£^ & ����� ~PM�'<acNÉmg>@O C!lyM:a]H acF!H C/f/f`HI\N YIH�M:?¼\]Hhm]f`NP?/mgH acNEr9C/\g\]>@YIM$?/H�=$C�M$?Ç^ �´F/H�?/HIm&acHIV m&A mgacHhO YhNP?/mg>@mga]mÐN$i´M3��?/H!�q\gHIm]N$l@C!a]>@NP?>@?!?/HI\8OQNGV/HhlÇi�NP\{acF!H DGYhN$ac>@M$?XDGF/HhlZi1M:?/VEmgl@NPf`H'M$?/VEMQYhNBM$\]mgH��°\]HImgNPl@CGac>@N$? N$C!acHh\<OQN V/HIlÇi�NP\´a]F/H?/NP\&acF��+HImga � a]lyM$?Bac>ZY j�YIHIM$?Ç^ �´F/H ?/H��8lZAXV/Hho$HIlZNPfkHhV a��-N�� �{M�A ?!HImga]>@?/J�a]HIY[F/?!> -�C/H b�M$mgHIV NP?acF!H mgO�N N$a]F/HIV m]HhO�> �qf/\gNPJP?/NPm&ac>ZY�O�H acF/N V &URTF�M:>�Hha9M$lU^pK ����� ~BM���D F/HI?/J�Hha9M$l£^ZK ����� ~ '->Zm´C/m]HhVXacNH uGY[F�M:?/JPH >@?!i�NP\gO Mdac>@N$?�bkH a��-HhHI?Ea]F/H'>@?/?!HI\8M$?/V NPC!a]HI\8OQNGV/Hhl@m{Nxo$HI\8acF/H'm]C!b/\]HhJP>@NP? �8F/Hh\]H'acF/Ha��+N�OQNGV!HIl@m´Nxo$HI\]l@M$fÇ^

�´F/HQM$\g\cM$?/J$HIOQHI?Ba�N$i�acF!>@m�f�M$f`HI\s>@m'M$msi�N$l@l@N�8mh^ DGHhYha]>@NP? � b/\g>@H�1!A \]H o >@H��8m�a]F/H NGYhH�M$?YI>Z\]YhC/lyM:a]>@NP?ÉOQN V/HIl�M:?/V a]F/H'a��-N�� �{M�A2?/Hhmga]>@?/JSacHhY[F/?/> -�C/H:^ XN V/HIl�\gHImgC/lZa]m<N:i*acF!H C!f/fkHh\9N YIHIM$?\]Hhm]f`NP?/mgHQa]N2r9C/\g\]>@YIM$?/H�=$C�M$? M$\gH f/\]Hhm]Hh?�a]HIV >Z? DGHIY ac>ZNP? }!^SDGHhYhac>ZNP? ~2>@m'MÉm]C/OQO�M$\gA M$?/VV/>Zm]YIC!m]m]>ZNP?Ç^

Page 6: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

� ��� ���(��%�� ���(��� �*�� �-%�� �8���� ��%��)�7�(� �/g%�3����(�`��%�<���

� � ��� ��� �� ��� ������� 2�����������! "�#� ��� �$�����"%

�´F/H�N YIHIM$?ÉYI>Z\]YIC!lyM:a]>@NP?�O�N V/HIl`C/mgHIV2>@? a]F/>@m-mgacC!V!A�>Zm{M f/\g>@OQ>Zac>poPH<H.-�C�M:a]>@NP? #��qlZHho$HIlÇN YIHIM$?YI>Z\]YhC/lyM:a]>@NP?2OQNGV!HIl,%�?/N�8? M$m�z � wse 5'& &UDGF/Hh?/J�H a�M$l£^ZK ��� ��� ' ^9z � w9e 5'& F�M$msb`HIHh? M$f/f/lZ>@HhVacN o$M:\]>@N$C/m-OQNGV!HIl@lZ>@?/J'f/\gNPb/lZHIOQm-NP?�a]F/H�m]F!HIlZi K!M$?/V�OQNPm&a´\]HhYIHI?Ba]lZAPK acN a]F/H �+HImga]HI\g?Ez{M:\]>@b!bkHIM$?DGHIM bBA DGF/Hh?/J M:?/V �¿M$?/J & ����� }!K ����� ~ ' K ��C/?!HI?�b/C/\gJ |{M�A N$i-w9Nxo:MED YIN$a]>yMÉbBA DGF/HI?!J M$?/V�¼M$?/J & ����� ~ ' K/M$?/V2acF/H DGYhN$ac>@M$? DGF/HhlZi¥bBA RTF/M$>ÇHha9M$l£^ & ����� ~BM�'�^

�´F/H�?/HIm&acHIV6�qJP\g>@V OQNGV!HIl@lZ>@?/J mgA mga]HIO F/M$mÐM ��?/H!�q\]Hhm]NPlZC!ac>ZNP?¼>Z?/?/Hh\ OQNGV!HIl1HIOÐbkHhV/V/HIV>@?Ba]HI\cM:Yhac>poPHhlZA >@?/mg>@V/H M�YhNBM$\gm]H��°\]Hhm]NPlZC!ac>ZNP?ENPCGacHI\9O�N V/Hhl+&��*>@J/^8}�' ^ �´F!H ��?/H!�q\gHIm]N$l@C!a]>@NP?X>@?/?/Hh\OQNGV/Hhl(YINxoPHh\]m�acF/H DGYIN:ac>yM:? DGF/HhlZi�M$?!V m]lZNPfkH bkH a��-HhHI? � ~ % � M:?/V � � % � M$?/V b`Hha��+HIHh?¼} � % wM$?/V ~� % w K6�8>pacFÉMÐF!NP\]>$#INP?Ba[M:l`\gHImgNPl@C!a]>@NP?�N$i(NP?/H9HIlZHhoPHh?BacF2V/HIJ$\]HIHs>@? lZNP?/JP>pacC/V!H &tM$bkN$C!a �% O ' ^�´F/H YINBM:\]m]H!�q\gHIm]N$l@C!a]>@NP?2NPC!a]HI\<O�N V/Hhl�>@m{acF!H ?/N$\gacF��+HIm&a � acl@M$?Bac>ZY j�YhH�M$?XO�N V/Hhl�V/Hho$HIl@N$fkHhVEbBADGF/Hh?/J H a�M:lU^ & �����G� ' K �8F/>ZY[FEYhNvo$HI\gmsacF/H M$\gH�MSbkH a��-HhHI? } � % � M$?/V �� % � M$?/VEb`Hha��+HIHh? } � % wM$?/V�� � % w �8>Za]F M�F/NP\g> #IN$?�acM$l*\gHImgNPl@C!a]>@NP?EN$i�NP?/H acF!>@\]V V!HIJP\gHIH >@? lZNP?/JP>pacC/V!H0&£M:bkNPCGa � � %�ONP?Ea]F/HSD/D2' ^ �´F/HI\gHSM$\]HÐ} � C/?!HhoPHh?/lZAEm]f�M:YIHIV # l@Hho$HIlZms>@?EbkN$a]FEacF!HÐNPC!a]HI\�M:?/V >@?!?/HI\9O�N V/HIlZm�8>Za]FEacF!H YIHh?�a]HI\gm�N$i�H�M$Y[F lZHhoPHhl*lZNGYIM:acHhV M:a � K � �!K ��� Kk~P~/K � � K ��� K ���� K ���� K ��� GK ���!� K ����� K� $}GKÇ} � ~!KÇ} � }GKÇ~ ��� K ��� GK � ��� K � GK � }P}!K � � GK �P���G� K ����� K ������� K � :}P}!K ������� K � } � GK � � ��� K} � �$}!KÇ} ����� K`~ � � � KTM$?/V ~ � $} O KT\gHIm]f`HIY ac>poPHIlpAP^"�´F/H OQN V/HIlf�M$\]M$O�H acHh\]m�M$?!V m]H acC/f M$\gHÐacF/HmcM:O�HÐM$m�>@? DGF/HI?!JÉHha'M$l£^�& �����!� '�KkC!?/l@Hhm]m�N$a]F/HI\/�8>@m]HÐmga[MdacHIVT^"5°a�m]F!NPC/l@V b`H ?/N:acHIVTKTF/N�+HhoPHh\IKacF/M:a9a]F/H o$HI\&ac>@YIM$l(O�>�uG>@?/JQm]Y[F/HhO�H C/m]HhV >@?2acF/>Zm9m&acC/VGAE>Z?/YIlZC/V/HIm<HI?Ba]\cM$>Z?/O�Hh?Ba�M:a<acF!HÐb�M$mgHÐN$iacF!H mgC/\gitM:YIH'O�>�uGHIV2lyM�APHh\8V/C/H'acN acF/H'mgF/H�M$\8>Z?/mgacM$b/>@lZ>ZaqAQb�M$mgHIVXNP? MQb/C!l %�W8>@Y[F/M$\]V/mgNP? ? C!O bkHh\i�NP\gO C/lyMdac>@N$?Em]C!JPJPHIm&acHhV bBA �1\g>@YIH H a'M$l£^�& ��� � ��' &tmgHIH acF/H � f/f`HI?/V/>�u i�NP\sV/HhacM$>@lZm)' K �8F/>@Y[F >ZmHImgm]Hh?�a]>yM$l�i�NP\8JPHh?/HI\]M:ac>Z?/JS\]HIM$l@>Zmgac>ZY�m]f/M:ac>@M$lÇf�M:agacHh\]?/m<N$i�D!D���YIN NPlZ>@?/J V/C!H'a]N MSOQNvo >Z?/JSmgacN$\]O ^5q?XM$V/V/>pac>@N$?ÇKGa]F/H'm]C/b/J$\]>@V6�qm]YIM$l@H�OQ>puG>Z?/J f�M$\]M$O�H acHh\]> #IM:ac>ZNP?�mgY[F/HIOQH N:i1DGO�M$JPN$\]>@?!m %BA & ��� �P}�'->ZmC/mgHIVÉi�NP\+a]F/H�F/NP\g> #hNP?Ba[M$l`HIV/VGA o >@mgYINPmg>ZaqA M$?/V2V/>$4kC/mg>Zo >ZaqA �8>Za]F acF!H �1\cM$?/VGaclÇ?�C/O b`HI\-m]Hha´a]N � ^ �&t?!N$acH acF�M:a9acF/>Zm9>Zms\gHIm]N$l@C!a]>@NP? V/HIf`HI?!V/HI?Ba M$?/VEF/HI?/YhH l@HIM$V/m8acN�V/> 4THh\]Hh?�asl@H oPHIlZmsN$i�OQ>puG>Z?/JS>@?acF!H9>Z?/?/HI\+M$?/V�NPC!a]HI\�O�N V/HIlZm)'�^ �´F/H<O�N V/Hhl�M$l@mgN C/mgHIm�i�NPC/\ga]F��qN$\]V/Hh\+?�C/OQHI\g>@YIm &£e�>ZHha]\]>@Y[FTK ��� � �'M$?/V �´F�C/b/C!\]?� m(1/CGuÉlZ>@OQ>ZacHh\1acNSV/>@mgYI\gHhac>$#IHsa]F/H'?/NP?/lZ>@?/HIM$\{M:V!oPHhYhac>ZNP?ÉacHh\]OQm & �´F�C/b/C!\]?ÇK ��� � ��' ^

Page 7: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

�´F/H OQNGV!HIl(bkN$C/?/V�M$\&AEYhNP?/V/>pac>ZNP?/msN:i1acF/H ?!HImga]HIV mgA m&acHIO M$\]H m]f`HIYh>$��HhV M:m9i�NPlZl@N�8mI^ � aacF!H l@M:acHh\cM$lTYIl@N$m]HIV b`NPC/?/V�M:\]>@Hhm8N$i¿a]F/H >@?/?/Hh\8M$?/V NPC!a]HI\8O�N V/Hhl@mIKGacF/H'?/NP\gO M:l 1�N�'K�a[M$?/J$HI?Bac>@M$lmga]\]Hhm]msN:i¥acF/H YIC!\]\]Hh?Bacm�M:?/VEF/N$\]> #hNP?Ba[M$l 1/CGuGHImsN:i ��PDXM:\]H m]Hha<acN #IHh\]N &�i�\]HhH��qmgl@>Zf YhNP?/V/>pac>ZNP?/m)'�^� lZNP?/JSacF/H OQNGV/Hhl(NPfkHh?Eb`NPC/?/V/M$\]>ZHImIK�a]F/HÐ?/N$\]O�M$l 1�N�'K`a]HIOQfkHh\cM:a]C/\]H M$?/VXmcM$lZ>@?/>paqA ��Hhl@V/msM$\]Hm]f`HIYh>$��HhVEC/mg>@?/JSacF!HÐM$V/M$f!ac>poPH'NPf`HI? bkN$C/?/V�M$\&A2YINP?!V/>Za]>@NP? & XM$\]Y[F/Hhm]>ZHIl@lZNSHha9M$lU^pK �����G� ' K2�8F!>@Y[F��\gmga8C/mgHIm8M$?ÉH�u!f!l@>@Yh>Za´j�\glyM$?!m %�>T\]M$V/>yMdac>@N$?�YhNP?/V/>pac>@N$? &Uj�\]l@M$?/m % >£K � � ���'1acN V/H acHI\gO�>Z?/H �8F/H acF/Hh\acF!H NPfkHh? bkNPC!?/V�M$\&A >@m�f/M$m]mg>ZoPH &�NPC!a��-M$\]V f/\]N$f�M$JBM:a]>@NP? '<NP\'M$Y ac>poPH3&t>Z?��{M$\gV f/\]NPf/M$JBM:a]>@NP? '�^5°i�acF/HÐNPfkHh? bkNPC!?/V�M$\&AE>Zmsf�M$mgm]>poPH$K�a]F/H OQNGV/Hhl¿f!\]NPJP?!NPmga]>@YÐo:M$\g>yM$b/lZHImsM$\]H \]M$V/>@M:acHhV NPC!a��-M$\]VacN M$lZl@N� M$?BA fkHh\ga]C/\]b�Mdac>@N$? JPHI?/Hh\cM:a]HIV >@?/mg>@V/H a]F/HSO�N V/HIl*V/NPO�M$>@?Ea]NXf!\]NPf�M:JBM:acH N$C!a��{M:\]VacF!\]NPC/J$F acF/H NPf`HI? b`NPC/?!V�M$\gA M$msi�\gHIHIlpA M:m�fkNPmgm]>Zb/l@H:^"5°i+a]F/H NPf`HI? b`NPC/?/V�M:\gAX>@m�M$Y ac>poPH$KkacF/HOQNGV/Hhl�f/\]N$JP?/NPm&ac>@Y�o:M$\g>yM$b!l@HIm8Mda<a]F/H NPfkHh?Xb`NPC/?!V�M$\gAÉM$\]H \]HhmgacN$\]HIV acNQ>@?/f!C!a8bkN$C/?/V�M$\&A0��HIlZV/mI^��NP\�acF/H9>@?/?/Hh\-OQNGV!HIlUKPa]F/H�>Z?/f/C!a+bkN$C/?/V�M$\&A ��HIlZV/m{M$\gH9a]F/Hsmg>@O C/l@M:acHhV�YhC/\]\gHI?Bacm8M:?/V���PD �/HIl@V!mf/\gNGV/C!YIHIVÉbBAQacF/HsNPC!acHh\-OQNGV!HIl`M:i�acHh\->Z?�a]HI\gfkNPl@M:ac>ZNP?QNP?BacNÐa]F/H ��?/H9JP\]>ZVÇK �8>ZacF�MÐ\]HhmgacN$\]>@?!J ac>ZO�Hm]YIM$l@H N$i � V�M�AGmh^ ��NP\´acF/HÐNPC!acHh\sOQNGV!HIlUK/a]F/HÐ>Z?/f/C!asbkN$C/?/V�M$\&A ��HIlZV/m�M$\gH a]F/HÐOQNP?BacF/lpA2O�HIM$?YIlZ>@O�M:acN$l@NPJ$A N$i,��PDSi�\]NPO5_�HIm]F!HIl@>Z? H a8M$lU^+& ����� � ' KGM$?/V V/HIf!a]F��qOQH�M:?�?/NP\gO M$l 1�N� acM�%$Hh?�i�\]NPOacF!H V!>yM$JP?!NPmga]>@Y�YIM$l@YhC/lyM:a]>@NP? N$i1_�\]HIM:acb/M:acY[F2Hha9M$l£^ & � � �!� '�K/M$?/V2acF!H \gHIm&acNP\g>@?/J a]>@OQH�m]YIM$l@H'>@m ���V�M�A mI^

� � � ��� ��� � �� �"������� ��� � ����� ��� �"�

�´F/H�?/H��8lpA V!HhoPHhl@NPf`HIV a��-N�� �{M�A ?/HIm&ac>Z?/JXa]HIY[F/?/>$-�C/H�b�M$mgHIV N$? acF!H�mgO�N N$acF!HIV¼mgHIOQ> �f/\gNPJP?/NPm&ac>ZY�OQHha]F/NGV &URTF�M:>�H a M:lU^pK ����� ~BM���D F/HI?/JEHha M:lU^pK ����� ~ '�>@m C/m]HhV >@? acF/>Zm m&acC/V!A a]NH uGY[F�M:?/JPH >@?!i�NP\gO Mdac>@N$?�bkH a��-HhHI?Ea]F/H'>@?/?!HI\8M$?/V NPC!a]HI\8OQNGV/Hhl@m{Nxo$HI\8acF/H'm]C!b/\]HhJP>@NP? �8F/Hh\]H'acF/Ha��+NÉO�N V/HIl(JP\g>@V/m9NxoPHI\glyM$fT^�&���NP\9M�\gHho >@H�� N$i1acF/H m]HhO�> �qf/\gNPJP?/NPm&ac>ZY OQHha]F/N V m]HhHS_'\gH�M:a]b�M:a]Y[FHhaÐM$l£^ & ����� ~ ' '�^ �*>Z\]mgaIK�acF/H�NPC!acHh\ OQN V/HIl¥o:M$\g>yM$b/lZHIm'NxoPHh\ acF!H NxoPHh\]lyM:f/f/>@?!JXmgC/b/\]HhJP>@N$? M$\gH>@?Ba]HI\]f`NPl@M:acHhV NP?BacNÉacF/H���?!HQJ$\]>@VT^ �´F/HS>@?BacHh\]f`NPlyMdacHIV �/HIl@V!m M:\]H acF!HI? C/m]HhV acN2f/\gNxoG>ZV/H acF!Hb`NPC/?/V�M:\gA2YIN$?/V/>Za]>@NP?!m{i�NP\´acF/H >@?/?!HI\8O�N V/HhlU^+DGHIYhNP?/VÇK�acF!H >Z?BacHI\gfkN$lyM:a]HIV2NPC!a]HI\<O�N V/HIl�V!HI?/mg>ZaqA>@msC/m]HhV a]N2M$V �gC/m&a�acF!H F�A V/\gNPmgacM:ac>ZY H.-�C�Mdac>@N$? N$i�acF/H >Z?/?/Hh\�O�N V/Hhl*b�M$mgHIV NP? a]F/H m]OQN N$acF/HhV

Page 8: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

m]HhO�> �qf/\gNPJP?/N$mgac>ZY�OQHhacF!NGVÇ©

������������ � ������� ������� ��� & � ��� � '�������! #" �$ ��� ������$�% &�i�NP\{a]F/H'>@?/?/Hh\´O�N V/Hhl ' & � '

�8F/Hh\]H ��������� >Zm�a]F/H�f/\gHIm]mgC/\]H�o:M$\g>yM$b!l@H8Y�M$\g\]>ZHIV�bBAQacF/H9>@?/?/Hh\-OQNGV!HIlUK � ������� >@m�acF!H�>@?/?!HI\-OQN V/HIlV/Hh?/m]>paqAPK&����! #" �$ >@m�a]F/HSNPC!a]HI\�OQNGV/Hhl¥V/Hh?/m]>paqA YINPOQf/C!a]HIV i�\]NPO�acF/HSNPCGacHI\�OQN V/HIl ��$D ��Hhl@V/mM:i�a]HI\'>@?BacHh\]f`NPlyMdac>@N$?EacNÉacF!H ��?!HQJ$\]>@VTK¿M:?/V � � >Zm'M lZ>@?/HIM$\�YIN$O b/>@?/M:ac>ZNP? YIN H �QYI>ZHI?Ba �8>Za]F¼Mo:M$l@C!H b`Hha��+HIHh? � M$?/V � KTM:?/V�� % >@m8acF/H m]OQNGN:acF/>Z?/JSNPfkHh\cM:a]NP\I^��NP\´acF!H M$f/f!l@>@YIM:ac>ZNP?2>@? acF/>Zmf�M$f`HI\hK�acF/H m]OQNGN:acF/>Z?/JS>@m8Y�M$\g\]>ZHIVEN$C!a<Nvo$HI\ � �Q>Z?/?/Hh\9OQNGV!HIl�JP\g>@V fkNP>Z?Bacm8YINP\g\]Hhm]f`NP?/V/>Z?/JQa]N�Mm]OQN N$acF/>Z?/J mgY�M$lZH N$i �P��� % O ^ � m�V!>@m]YhC/m]mgHIV >@? _�\]HIM:acb/M:acY[F H a'M$lU^ & ����� ~�' &tmgHIHSM$lZm]N2D F/HI?/JHha M:lU^pK �����G� ' KTa]F/>@msf/\]N YIHhV/C/\]HS>Zm�H.-�C/>po$M:l@HI?Ba�a]N2M$V �gC/m&ac>Z?/J�acF/H OQNPOQHI?BacC!O b�M$l@M$?/YhH >@? a]F/H>@?!?/HI\{OQN V/HIl`b�M$mgHIVÉNP?�a]F/H�V/> 4THh\]HI?!YIH�>@? V/HI?/mg>ZaqA bkH a��-HhHI?2acF/H�>Z?/?/Hh\{M$?/VÉN$C!acHh\{O�N V/Hhl@mI^ �´F/Hm]OQN N$acF/>Z?/JSNPf`HI\cMdacNP\<>@? & � '´>@m8C/mgHIV a]N�Hh?/m]C/\gHÐacF/M:a9a]F/H >@?/?/Hh\9OQN V/HIl�>Zm9YhNP?/mga]\cM$>Z?/HIVXbBA a]F/HNPC!a]HI\8OQNGV/HhlÇNP?/lpA�NP?2l@M$\]JPH�mgf�M:a]>yM$lÇmgY�M$lZHIm &tl@M$\]J$HI\-a]F�M$?2acF/H'm]OQN N$acF/>Z?/J mgY�M$lZH' ^

5q?Ða]F/H{mcM:O�H �{M�APK:acF/H{>Z?/?/Hh\¿OQNGV!HIl V/HI?/mg>ZaqA >@? acF/H+Nvo$HI\glyM$f/f!>@?/J�mgC/b/\gHIJP>ZNP? >@m>@?Ba]HI\]f`NPl@M:acHhVb�M$Y)%ENP?BacNÉacF/H YhNBM$\gm]H JP\g>@V N$i�acF!HQN$C!acHh\�O�N V/HIl£^ �´F/HSF�A V/\gNPmgacM:ac>ZY H.-�C�M:a]>@NP? N$i�a]F/H NPC!a]HI\OQNGV/HhlÇ>@m{a]F/HI?XM$V �gC!mgacHhVE>Z?�acF/H'mcM:O�H'NxoPHh\]lyM:f/f/>@?!JQmgC/b/\gHIJP>ZNP?2b�M$m]HhVENP?

��� �! #" �$� � ���'�����! #" �$ ��� & � ���(� ')���� ������$ �����$ *" ���% &�i�N$\{acF/H'NPC!a]HI\8OQNGV/Hhl ' & � '

�8F/Hh\]H � �! #" �� >@m+a]F/H�f/\gHIm]mgC/\]H�o:M$\g>yM$b/lZHsN$i�a]F/H�NPC!a]HI\{OQN V/HIl£K+�� ������� >@m-a]F/H�>Z?/?/HI\-O�N V/HIlkV/HI?!m]>ZaqAY�M:l@YIC!lyM:a]HIV�i�\]N$O5acF!H >Z?/?/Hh\´O�N V/HIl ��PD���HIlZV/m8M:i�acHh\´>@?BacHh\]f`NPlyMdac>@N$? acN acF!H�YINBM$\gm]H'JP\g>@VÇK!M$?/V �(�>@m{M l@>@?!H�M$\+YINPO b!>@?�M:a]>@NP?�YIN H �QYI>ZHI?Ba �8>Za]F2M o$M:l@C/H9bkH a��-HhHI? � M:?/V � K/M$?!V,� % >@m´M mgO�N N$a]F/>@?/JNPf`HI\]M:acNP\ &�C/m]C�M:l@lZAEV/>$4kHI\gHI?Ba i�\]NPO a]F�M:a C/mgHIV¼>Z? & � ' '�^ ��NP\�a]F/HQf/\]Hhm]HI?Ba M$f/f/lZ>@Y�Mdac>@N$?ÇKTacF!>@mm]HhYINP?!VEm]OQN N$acF/>Z?/J NPf`HI\]M:ac>ZNP?É>@m´?/N:a<M$f/f/lZ>@HIVT^

�´F/H'M$b`NxoPH�a��+N����-M�A�>Z?�a]HI\]M$Yha]>@NP?�>Zm´M$f/f!l@>@HhV NP?!YIH�f`HI\{V�M�A >@? a]F/>@m+mgacC!V!AP^���NP\{mg>@OQf/l@>ZYI>ZaqA$K

� � M$?/V �(� M$\gH m]Hha'a]N b`H � ^ � ^ �N2\]HIV!C/YIH acF!HQOQN V/HIl¿V/\]>pi�a�KÇacF!H m]HIOQ> �°f/\]N$JP?/NPm&ac>@Y O�H acF/N VÇKM$m'V/Hhm]YI\g>@b`HIV >@? DGF/Hh?/J Hha M$lU^3& �����!� ' K�>@m'M:l@m]N2C/mgHIV acNXM$m]mg>@OQ>@l@M:acH YIl@>ZO MdacNPlZNPJP>@YIM$l�V/Hh?/m]>paqA>@?Ba]NEacF/H NPC!acHh\ OQNGV/HhlU^ RTF�M$>�HhaSM$l£^ & ����� ~BM�'�V/HhO�NP?!mgac\]M:acHhV acF�Mda >@? YhNPOQf�M$\]>Zm]NP? �8>Za]FNPb/mgHI\&o$Mdac>@N$?/m &���\]M:a[M$?Ba]NP?/>UK �����G� ' K`a��-N�� �{M�AE?/HIm&ac>@?!JÉC/m]>Z?/J�acF/HÐm]OQNGN$a]F/HIV mgHIOQ> �°f/\]NPJ$?/NPmga]>@YOQHhacF!NGV f`HI\&i�NP\]OQmsb`HhagacHh\�acF�M$?XacF/H o$HI\]mg>@NP? �8>pacF/N$C!asa]F/H m]OQNGN:acF/>Z?/J NPf`HI\]M:acN$\s>@? & � '�KÇM$?/V

Page 9: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

O C/Y[FXbkH a]a]HI\8acF�M$?XYINP?Bo$HI?Bac>ZNP?�M$lNP?/H!���-MxA ?/Hhmga]>@?/J &�a]F�M:a9>@mIK/a]F/HÐN$C!acHh\<OQN V/HIl(NP?/lpAÉf/\gNvo >ZV/HImb`NPC/?/V�M:\gAÉYhNP?/V/>pac>@N$?/m{i�NP\´acF/H'>Z?/?/HI\8OQNGV!HIl�M$?!V a]F/HI\gH >Zm8?/NQi�HhHIV/b/M$Y)%�i�\]NPO5acF/H'>@?!?/HI\8OQNGV/HhlacN a]F/H�NPC!a]HI\{OQN V/HIl ' ^ ��NP\{OQNP\gHsV/H a[M$>Zl@HIVÉV!>@m]YhC/m]mg>@NP?ÉN:ia]F/H�?/Hhmgac>Z?/J acHhY[F/?/> -�C/H:K/acF/H�\gH�M$V!HI\{>Zm\]H i�HI\g\]HIV2acN DGF/Hh?/JQHha9M$lU^ & ����� ~ ' ^

� � ��� � �� ��� � �6� � % �������� � � ����2� � � � ��� � "� ��� � � �

� H'i�N$l@l@N� z-F�M:?/J M:?/V � ?BacF/Hhm & ��� � '+M$?/V2f�M$\]M$O�H acHh\]> #hH�acF/H"�8>Z?/V2mgac\gHImgm9N$i*r9C!\]\]>ZY�M$?!H=$C�M$? >@?Éa]HI\]OQm´N$i

� � ��� ���������� ������

����� � ��� ��� � � � � ���& � ���� � � ' � & � �� � � � � ��� ' � � ��� � � � � ����� ����� ����

&£}�'

�8F/Hh\]H � >@m´a]F/HÐM:O�f/lZ>Za]C/V/H�N$i¿acF/H'a[M:?/JPHI?Ba]>yM$l �8>Z?/VXm&ac\gHIm]m(�8>Za]FX\gHIm]f`HIY asa]NQa]F/H m&acNP\gO YIHh?�a]HI\&�a]F/HÐ\]M$V/>@M$l�YINPOQf`NP?/HI?Ba9YINPOQf`NP?/HI?Bas>@m<m]Hha9acN #IHI\gN ' KkM$?/V � >Zm<a]F/HÐ\]M$V/>@M$l�V/>@m&a[M$?!YIH i�\gNPO acF!HYIHh?BacHI\h^�5q? acF/>Zm�mga]C/V!APK*�+HSm]Hha � � ��� � } � %�OXK � ���� � } ��� %�OXK(M:?/V ���� � � }Éw#O � � acN\]Hhf/\]Hhm]Hh?�aÐM$f/f!\]N�uG>@O�M:acHhlZA acF/HSmga]NP\]O mgac\gC/Yha]C/\]HQN$i-r9C/\g\]>ZY�M$?/HQ=$C/M$?Ç^��´F/HQ\]HIM$l@>Zmgac>ZYÐm&acNP\gOac\]M$Y)% N$i{r9C/\g\]>@YIM$?/H =$C�M$? YINPOQf/>@lZHIV bBA acF/H�wsMdac>@N$?�M$l1r<C/\]\g>@Y�M:?/H�z-Hh?BacHI\ >@m'C/mgHIV >Z? a]F/>@mmga]C/V!A &��¿>@J/^ � ' ^ �´F/H aqAGf!>@Y�M:la]\cM$?/mglyM:a]>@NP?2mgfkHhHIV N$i¥r9C/\g\]>@YIM$?/HÐ=$C�M$? Nxo$HI\9a]F/H D!DXM$?/VXm]lZNPfkH>@m{M$bkN$C!a ��� O m ��� ^�j�?/lpA �8>Z?/V2mgac\gHImgm8i�N$\]YI>Z?/J V/C!H�acN acF!H�mgacN$\]O >Zm-C/mgHIV2acN i�NP\gYIH�a]F/H�OQNGV/Hhl �acF!H m]C/\&itM$YIH b/C!NvAPM$?/Y A i�NP\]Yh>@?/J V/C/H acN�a]F/H mga]NP\]O.>@m�?!N$a�YIN$?/m]>ZV/HI\gHIV M$?/V F�M$msbkHhHI? m]F/N�8?HIlZm]H��8F/HI\gH�&�H$^ J/^ZK �1\g>@YIH:K ��� �!� '�acNSb`H mgO M:l@lÇ>Z?É>Zacm´H�4THhYhaI^

� � �"! �! ��#� �$#!% � � � ���#� ���� H YINP?/V!C/Yha'a��+N ?�C/OQHI\g>@YIM$l¥H uGf`HI\g>@OQHI?Bacm�a]N H�u!M$O�>Z?/HÐa]F/H C/f/f`HI\�N YIHIM$? \]HImgfkN$?/m]HSN$i

acF!HSD/D M$?/V mgl@NPf`HÐa]NÉr9C/\g\]>ZY�M$?/H =$C�M$?Ç^"5q? a]F/H ��\]m&a�H uGf`HI\g>@OQHI?Ba &Uz �*5 '�Kka]F/H ?/HIm&acHhV��qJP\g>@VmgA m&acHIO;>Zm�>@?/>pac>yM:l@> #hHIV3�8>ZacF a]F/H�=PM$?�C�M$\gA O�HIM$? a]HIOQfkHh\cM:a]C/\]HSM:?/V m]M$l@>Z?/>ZaqAEM$?/V i�NP\gYIHIV bBAacF!HÐOQNP?BacF/lpAXOQH�M:? z´j � e'D &Uz-NPOQf/\gHIF/Hh?/m]>poPHSj�YIHIM$?�� � acOQNPm]f/F!HI\]H e�M:a[M DGHha)' �8>@?!V mga]\]HImgmM$?/VXm]C/\&itM$YIH F/H�Mda 1�C uTK�acF!HÐlyMda]acHh\8C/m]>Z?/J�a]F/H OQHha]F/N VXN$i1|{M$\]?!>@HI\8H a�M$l£^"& � � � � '�^+�´F/HÐOQN V/HIlm]HIM�m]C/\&itM$YIHÐmcM$lZ>@?/>paqA2>@ms\gHIm&acNP\gHIV acN�acF/H OQNP?BacF!lZA2OQH�M$? Yhl@>ZO M:a]NPl@N$J$A�NP? M�ac>ZO�H m]YIM$l@H N$i ���V�M�A mI^ �´F/H'?/HhmgacHhVEm&AGm&acHhO >@?ÉH uGf`HI\g>@OQHI?Ba9z �*5 ;>Zm´>@?BacHhJP\cM:a]HIVÉi�NP\-a��+NSAPH�M:\]m<M$?/VÉacF!H OQN V/HIl

Page 10: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

��

\]Hhm]C/lpacm9N$i*a]F/HÐmgHIYIN$?/V OQNGV/Hhl�APH�M:\�M$\gH V/>Zm]YhC/m]mgHIV >@?2acF!>@m<f�M$f`HI\I^ 5q?XacF/H m]HhYINP?/V H�uGfkHh\]>@OQHI?Ba&Uz �*5 � D��<j�W� ' KGacF/H�?!HImga]HIV2JP\g>@V�m&AGm&acHhO >@m+>@?/>pac>@M$l@>$#IHIVQM$?!V�i�NP\]YhHIVÉ>@?�acF/H�m]M$OQH �-MxA�M$m{>Z?acF!H ��\]m&a8H uGf`HI\]>ZO�Hh?Ba{i�NP\+a]F/H ��\gmga � ��� V�M�AGm{i�\gNPO5=PM$?�C�M$\&A � acNQD HIf!a]HIO b`HI\ ��� N$i�acF/H�mgHIYhNP?/VOQNGV/HhlTAPHIM$\ &£M$mgm]C/OQ>@?/J�} � � V�M�A m8i�NP\8H�M$Y[FXO�N V/HIlkAPH�M:\)' ^ � i�a]HI\8V�M�A � ��� &t>£^ H:^ZK`D HIf!a]HIO b`HI\ ���N$i¥a]F/H mgHIYIN$?/V O�N V/Hhl(A$H�M$\ ' K`acF/H �8>Z?/VXi�N$\]YI>Z?/J�M:m]m]N YI>@M:acHhV �8>Za]F r<C/\]\g>@Y�M:?/H =$C�M:? V/HImgYI\g>@b`HIV>@? &£}�'´>Zm9mgC/f`HI\]>ZO�f`NPmgHIV NP?Xa]F/H Yhl@>ZO M:a]NPl@N$JP>@YIM$l �8>@?/V i�NP\]Yh>@?/J acN�V/\]>poPH'acF/H ?/HhmgacHhV mgA m&acHIO�>@?H uGf`HI\g>@OQHI?Basz �,5 � D6�<j'W� ^

� � � �<������ �(�/���°�/�

� � ��� 2�� � � � ������ ��� � ����� ���� � � � � � ��� � � ��� � � 2� � ��� � � ���� � � � ��� ���� H ��\gmga H u!M$OQ>@?!HSa]F/HSlyM$\gJPH��°m]YIM$l@H Yh>@\]YhC/lyMdac>@N$? M$?/V ��PD V!>@mga]\]>Zb/C!ac>ZNP?/m�f/\gNGV!C/YIHhV¼bBA

acF!H ?/Hhmga]HIV��°JP\]>ZVEOQNGV/Hhl@lZ>@?/J m&A mgacHhO.>Z?XH�uGfkHh\]>@OQHI?Ba�z �*5 ^ �´F!HÐNPC!a]HI\<O�N V/Hhl�\]HImgC/lZa]m9>Z? a]F/>@mH uGf`HI\g>@OQHI?Ba M$\]HSHImgm]Hh?�a]>yM$lZlZAXacF/HQmcM$OQHSM$m�acF!HQmg>@?/J$l@H V/NPO�M$>Z? O�N V/HIl1\gHImgC/lZa]m V!>@m]YhC/m]mgHIV >@?V/H a[M$>Zl¿>Z? DGF/HI?!JÉHha'M$l£^ & �����!� ' K`H uGYhHIf!a'i�NP\9m]NPOQH m]O�M$lZl¿V/> 4THh\]Hh?/YIHhm�>@? OQHImgN��qmgY�M$lZH i�H�MdacC/\gHImNxoPHh\'a]F/HQD/D M$?/V mgl@NPf`H$KÇV!C/H O M:>@?/lpA a]N�acF/H a��+N����-M�A >@?Ba]HI\cM:Yhac>ZNP? N$i�acF!H >@?/?/Hh\�M$?/V NPCGacHI\OQNGV/Hhl@mh^ 5q? YIN$O�f�M:\]>@mgNP? �8>pacF m]M:acHhl@l@>pacH'\]HhO�N:acHÐmgHI?/mg>@?/J D!D�� V/M:a[M V!C/\]>Z?/J acF!H ��\]m&a�F�M$lpi1N$i� C!JPC/mga ��� � � K�a]F/HÐNPCGacHI\9O�N V/Hhl¿JPHh?/HI\]M:acHhm�\]HIM$m]N$?�M$b/lpA3�+HIlZla]F/HÐl@M$\]J$H��qmgY�M$lZH'V/>@m&ac\]>Zb/C!a]>@NP? N$iacF!H'D/D��¶>@? � C/J$C/mga´Nxo$HI\-a]F/H�?/NP\&acF��+HImga � a]lyM$?Ba]>@Ysj�YhH�M$? &��*>@J!^*~ '�^�|-N$acF�acF/H�\gHIOQN$acH<m]Hh?/m]>Z?/JV�M:acM M$?!VEOQNGV/Hhl(\]HImgC/lZa]m9V!HIOQNP?/mga]\cM:a]H a]F�M:a<acF/HÐD/D��7>Z? � C!JPC/mgas>@m8\]HhlyM:a]>Zo$HIlZA�YINPlZVENxoPHh\9acF!H�(M$b/\]M$V/NP\sDGF/HhlZi�M$?!V M$l@N$?/JQa]F/HÐYhNP?Bac>Z?/HI?Ba[M:l¿mgl@NPf`H i�\gNPO �(M$b/\cM:V/NP\sDGH�M�a]N�a]F/HÐmgNPC!acF!HI\]?Xac>@fN$i¿acF/HÐ_'\]M$?/VX|{M$? %�mh^ �´F/H N$b/m]Hh\goPHhV M$?/V m]>ZO C/lyMdacHIVXD/D6�7>@m8\]HhlyM:a]>ZoPHhlZA �{M$\gO�Hh\9>Z? a]F/H V/HIHhf�-M:acHh\sN�4 acF/H _'\]M$?/V |-M$? %�m�M$?!V DGYIN:ac>yM:? DGF/HhlZi�>Z? M$mgm]N YI>yMdac>@N$?3�8>pacFXa]F/HS_�C/lZi1D ac\gH�M$O�M$?!VacF!HSw9NP\&acF � acl@M$?Bac>ZY z-C/\g\]HI?BaI^ z{M$C!a]>@NP? mgF/NPC/lZV bkH acM�%$Hh?ÇK�F/N�+HhoPHh\IK,�8F/HI? YhNPO�f/M$\]>Z?/J acF!Hm]>ZO C/l@M:acHhV�D/D6� �8>pacF a]F/Hs\gHIOQN$acH<m]Hh?/m]>Z?/J V�M:acM mgF/N�8?É>@?#�¿>@J/^¿~/^ �´F/H�mg>@O C/l@M:acHhV�D!D��¶m]F/N�8?>@? �*>@J!^<~PM�>@m9f/\]N V/C/YhHIV bBA acF/H O�N V/Hhl¿C/mg>@?/J�O�N$?�a]F/lZA2OQH�M:? YIlZ>@O�M:acNPlZNPJP>ZY�M$l�i�NP\]Yh>@?/J!K �8F!>@l@HacF!H \gHIOQN$acH'mgHI?/mg>@?/J D/D���V/M:a[MS>@? �*>ZJ/^1~PbXM$\]H�acF!H YhNPOQfkNPmg>Za]H�N$i¿a]F/H \]H�M:l@>@m&ac>ZY'D/D�� NPb/m]Hh\go$HIVV/C/\g>@?/J a]F/H"��\]m&a9F/M$lZiN$i � C/J$C/mga ��� � � ^

�´F/HQlyM$\gJPH��°m]YIM$l@H mgC/\gitM:YIHQYI>@\gYIC/l@M:ac>ZNP? f/\gNGV/C!YIHIV bBA acF/HQNPC!a]HI\'OQNGV/Hhl &��¿>@J/^ ~BM�'s>@m'>@?

Page 11: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

�P�

JPHh?/HI\]M$l(M$JP\gHIHIOQHI?Ba(�8>Za]F N$b/m]Hh\go:M:ac>ZNP?/m &tH:^ J!^ ��N V/HI\8Hha9M$l£^ZK ��� � � '�^ � lZNP?/J acF/H m]F!HIlZi¿b/\gH�M�%�msN:iacF!H �M:b/\cM$V!NP\�M$?/V w<H��´i�NPC!?/V/lyM:?/V DGF/HIlpoPHhmIK�acF/Hh\]H >Zm�M�?�M$\g\]N� mgNPC!a]F/H�M$m&a��{M:\]V �gH a"%�?/N�8?M$m�a]F/H N�4km]F/NP\gH b/\cM:?/Y[F N:i�a]F/H �(M$b/\]M$V/NP\'z-C!\]\]Hh?Ba�&��*>@J!^ ~BM�' ^Ðj�? \gH�M$Y[F/>Z?/J�acF!H ?/NP\ga]F/HI\g?1�M$?2%ÉN$i¿a]F/H _'\]M$?/VX|{M$? %�mhK�a]F/H'N�4km]F/NP\gH'b/\cM$?!Y[FEN$i¿acF/H��(M$b/\]M$V/NP\<z-C/\g\]Hh?�asm]f/lZ>Za]m´>@?BacN acF!\]HIHf�M$\&acmh©9M�YINBM$m&a[M$lb/\]M$?/Y[F acF/M:a 1�N�8msa]F/\]N$C/JPFEa]F/H � o:M$lZNP? z-F/M$?/?/HhlUKÇM�O�>ZV/V/l@H'b/\]M$?/Y[F a]F�M:a1�N�8m8acF/\gNPC/JPF �*l@HhO�>Zm]F �¿M$m]m8acNSacF/H'mgNPC!acFTKkM:?/VEM:?XHIM$mga]HI\]?Xb/\cM:?/Y[FXa]F�M:a8f�M$mgm]Hhm�M$\gNPC/?/V2acF/Hm]HIM �{M$\gV31�M$? %QN$i �*l@HhO�>Zm]FÉz{M:fÇ^ �´F/H�O�>ZV/V/lZH9b/\]M$?/Y[F M$?/VÉf/M$\ga´N:ia]F/H�HIM$mga]HI\]?2b/\]M$?/Y[F2OQHI\]J$HNxoPHh\8a]F/H�H�M:mgacHh\]?01�M$?2%�N$i(acF/H _�\cM:?/V2|{M$? %�m<M$?/V�i�N$\]O M ?/M$\]\gN�� H.-�C�MdacNP\/�{M$\gV��gH a8M$lZNP?/J acF!Hm]F!HIlZi*b/\]HIM�%�msN$i¿acF/HÐ_�\cM$?/VX|{M$?2% msM$?/V2acF/HÐDGYhN$ac>@M$? D F/HIlpi ^ �´F/H NPC!acHh\8O�N V/HIl(M:l@m]NQf/\gNGV/C!YIHIm\]HIM$m]N$?�M$b/lpA��-Hhl@l�acF/H9JPHI?!HI\cM:l 1/N��¶f/M:a]a]HI\]?!m-N$iÇa]F/Hs_'C/lpi(D a]\]HIM$O�M$?/VÉw<NP\ga]F � a]lyM$?Bac>ZY9z-C/\]\gHI?BaN�4km]F/N$\]H�i�\]NPO acF/H'YhNP?Bac>@?!HI?Ba[M$l�mgl@NPf`HIm8N$iacF!HÐ_�\cM:?/V |{M$? %�m9M$?/VÉacF/H DGYhN$ac>@M$?XDGF/HhlZi ^

�N M$m]mgHImgmÐacF/H�fkHh\gi�NP\gO M:?/YIHQN$i{a]F/H ?/Hhmga]HIV��°JP\]>ZV¼mgA m&acHIO >@? m]>ZO C/lyMdac>@?!J2a]F/HQJPHI?/Hh\cM$lYI>Z\]YhC/lyM:a]>@NP? >Z? a]F/HQmgacC!V!A \]HIJ$>@NP?ÇK*�+H�YIM$l@YhC/lyMdacHIV acF!H M$?!? C/M$l�O�HIM$? ?!H�M$\ �qm]C!\gitM$YhH & � � O 'YIC!\]\]Hh?Bacm�i�\]NPO a]F/H m]HhYINP?/V A$H�M$\�OQNGV!HIl*\gHImgC/lZa]m�M$?/V YhNPO�f/M$\]HhV acF/HhO �8>Za]FEacF!H ac>@OQH��°O�HIM$?YIC!\]\]Hh?Bacm'>@?!i�Hh\]\gHIV i�\]N$O�a]F/H NPb/mgHI\&oPHIV ac\]M��gHIY acNP\g>@Hhm�N$i�?/H�M:\/�qmgC/\gitM:YIH V/\g>Zi�acHh\]m�bBA ��\]M:a[M:?�a]NP?/>& �����!� '8Nvo$HI\�a]F/HQD/D M$?/V mgl@NPf`H &��*>@J/^ � KÇm]HhHSM$l@mgN RTF�M$>Hha M$l£^ & ����� ~BM�' ' ^"�´F/H ?!H�M$\ �qm]C!\gitM$YhHYIC!\]\]Hh?Bacm{f/\gNGV!C/YIHhVÉb�AQacF!Hs>@?!?/HI\+M$?/V�N$C!acHh\-OQNGV/Hhl`M$JP\]HhHs\gH�M$mgNP?�M$b/lpA��-Hhl@l �8>Za]F acF/H9NPb/mgHI\go$HIVYIC!\]\]Hh?BacmI^ �´F/HI\gHQM$\]HÐa��+N2m]NPCGacF��-Hhmga��-M$\]V0�gHha]m�NP? acF/HQD YIN$a]>yM$? D F/HIlpi K �8>Za]F M$? >@?/mgF/NP\gH(�gHha1�N�8>@?!JEM$lZNP?/JÉacF!H YINPM$mga & %�?/N�8? M:m a]F/H�D YIN$a]>yM$?¼z-C/\]\gHI?Ba!' M$?/V M$?¼N�4TmgF/NP\]H �gHha�1�N�8>@?!JM$lZNP?/J�a]F/H NPCGacHI\sm]F/HhlZi & %�?/N�8? M$msa]F/H mgF/HIlpi �qb/\gH�M�% �gHha)' ^"5q? a]F/H m]lZNPf`H �-M:acHh\�\]HhJP>@NP?EN�4 a]F/Hm]N$C!acF��+HImga]HI\g? D/DkK`acF/Hh\]H >Zm�M$? >Z?BacHI?!m]H H�M:mga��-M$\]V 1�N� M$m�f�M$\&a�N$i�a]F/H OQNGV/Hhl¥_�C/lpi+D ac\gH�M$O ^�´F/>Zm{H�M$m&a��{M:\]V �gHha8m]f!l@>Za]m->Z?�a]N a��-NSb/\]M$?/Y[F/Hhm<M:a´M$b`NPC!a � � % ��K2�8>pacF�a]F/H�O�M$>@?�b!\cM$?/Y[F01�N�8>Z?/Jm]N$C!acF/HIM$mga��-M$\gV >@?BacN a]F/H'V/HIHhf �-M:acHh\9M:?/V a]F/H"�-HIM�%Éb/\]M$?/Y[F 1/N��8>Z?/JS?/NP\&acF/HIM$mga��-M$\]VEbkH a��-HhHI?acF!H O�M$>@?Éb!\cM$?/Y[FEM$?/V acF/H m]F/HhlZi �°b/\]HIM�%��gHha<>Z? a]F/H mgl@NPf`H �-M:acHh\9\gHIJP>ZNP?Ç^+|-N$acF2acF!HIm]H b/\cM:?/Y[F/HImM$\gH M i�HIM:acC/\gH'N$i¿a]F/H'NPb/mgHI\go:M:a]>@NP?!mI^

� � � � � � � � � � � ������# ��� � ��� � 2����� � �,� � ����� � ��� � �� ����� �,��

XN V/HIl\]Hhm]C/lpacm<>@?XH uGfkHh\]>ZO�Hh?�a�z �*5 � D��<j�W J$HI?/Hh\cM:a]H acF!H a]N$a[M$l(N YIHIM$?E\gHIm]f`NP?/mgHÐacNacF!H YhNPO b/>Z?�M:ac>ZNP?ÉN$i¿acF/H f�M$\]M$O�H acHh\]> #hHIV �8>@?/V mga]\]Hhm]msN:i1r9C!\]\]>ZY�M$?!HÐ=$C/M$? M$?!VEYIlZ>@O�M:acN$l@NPJP>ZY�M$l

Page 12: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

���

OQNP?BacF/lpA2O�HIM$? z´j � e'DXi�NP\]Yh>@?/J!^ �N�H u!M$OQ>@?!H acF!HÐN YIH�M:? YI>@\gYIC/l@M:ac>ZNP?2>@?/V!C/YIHhV V/>@\gHIYha]lZA bBAr9C!\]\]>ZY�M$?!H =$C�M:?ÇK �+HÐYIM$l@YhC/lyM:a]H�acF/H V/>$4kHI\gHI?/YhHÐN$i¥a]F/HÐmg>@O C!lyM:a]HIV YIC/\g\]HI?Ba]m�M$?/VEa]HIOQfkHh\cM:a]C/\]Hb`Hha��+HIHI?XacF/H�a��+N H uGf`HI\g>@OQHI?Bacm9z �*5 � D��<j�W M$?/VEz �,5 ;M$?/V C/mgH a]F/HImgH V/> 4THh\]Hh?/YIH ��HIlZV/macNS\gHIf/\gHIm]Hh?BasacF!H m&acNP\gO �°>@?/V!C/YIHhV N YIHIM$?2\]Hhm]f`NP?/m]H f/\gNGV/C!YIHIVXbBA�acF/H'OQNGV!HIlU^�*>ZJ/^ �PM m]F/N�8m´acF/HsmgacN$\]O��q>@?!V/C/YIHhV�m]C!\gitM$YhH�YIC/\g\]Hh?�a]m8M$?/V�a]HIOQfkHh\cM:a]C/\]H�f!\]N V/C/YIHhVÉbBA acF!H

OQNGV/Hhl(M:a � �!© ��� & � e �('�KTD HIf!a]HIO b`HI\ ��� K`M:a(�8F/>@Y[F ac>@OQH�acF/H YIHh?�a]HI\9N$i�r9C!\]\]>ZY�M$?!HÐ=$C/M$? �-M$ml@N Y�MdacHIV NxoPHh\sV/HhHIf �-M:acHh\I^ �´F/H m]>@OÐC/lyM:a]HIV YIC/\g\]Hh?�a�M$?/V acHIOQf`HI\cMdacC/\gH V/> 4THh\]Hh?/YIHhmsNP? acF/H D/DM$?/VEm]l@N$fkH M$\]H ?/HIJ$l@>@J$>@b/lZH$K�>@?!V/>@YIM:ac>Z?/J acF�M:a9acF/H C/f/f`HI\�N YIHIM$?EYh>@\gYIC/l@M:ac>ZNP?XN:i¥acF/>Zms\gHIJP>ZNP?EF�M:m?/N$a�APH a{b`HIHh?ÉM�4kHIYha]HIV�bBASacF!H9m&acNP\gO5Mda+a]F/>@m1ac>ZO�H:^ 5q?�YhNPOQf�M$\]>Zm]NP?TKPacF/H9mgacN$\]O��q>@?!V/C/YIHhV�C!f/fkHh\N YIH�M:? \]Hhm]f`NP?/mgHsNxoPHh\-V/HhHIf �-M:acHh\->Zm�Y[F/M$\cM$Y acHh\]> #hHIV�bBAQmga]\]NP?!JÐNPC!a��-M$\gV &tNP\�V/>poPHh\]JPHh?�a)'�mgC/\gitM$YhHYIC!\]\]Hh?Bacm�i�NP\]YhHIV bBAEacF!HQlZNGYIM$l,�8>@?/V mga]\]Hhm]m'C/?/V/Hh\�acF/H m&acNP\gO,M$?/V mg>@JP?/> ��Y�M:?�a'D/D�� YhNGN$l@>@?!J&��¿>@J/^ �$M�' ^ � a<lyM:a]HI\{a]>@OQHIm�&��¿>@J/^ ��'+�+H'Y�M$? m]HhH >Z?BacHI?!m]H >@?/Hh\gac>@M$lTYhC/\]\gHI?Bacm8acNSacF!H \g>@JPFBa8N$iacF!Hmga]NP\]O a]\cM$Y)%2b`HIF/>Z?/VXa]F/HÐm&acNP\gOXK�YIN$?/m]>ZmgacHh?Ba �8>Za]FEf/\gHho >@N$C/msm&acC/V/>ZHIm9>@?Xa]F/H 1�M:asb`N$agacNPO YIM$m]H&Uz-F/M$?/J � � ?BacF/HhmIK ��� � � �1\]>@YhH$K � � �!� �_�\]HIM:acb�MdacY[FÇK � � � }�'�^ |-M$m]HhV N$? acF/H OQNGV!HIl*\gHImgC/lZa]m>@? �*>@JPC!\]H �:Y$K �+H HIm&ac>ZO M:a]H a]F/H aqA f/>@YIM$l¥M$lZNP?/J��Uac\]M$Y)%��{M�o$HIl@Hh?/J$a]F N:i�a]F/H mg>@O C/l@M:acHhVE>Z?/HI\&ac>yM:lYIC!\]\]Hh?Bacm�b`HIF/>Z?/V acF/H mga]NP\]O acN�b`H M$b`NPC!a ����� %�O K �8F/>ZY[F >@m9YINPOQf�M$\]M$b/l@H �8>Za]FEacF!H >@?/Hh\ga]>yM$l�-Mxo$HIlZHI?/J$a]F Hhmga]>@O�M:acHhV i�\gNPO � ����� ��� K �8F/Hh\]H � >@m9acF/H ac\]M$?/mglyM:a]>@NP?�M:l¿mgfkHhHIV M$?/V � >@msa]F/Hz-NP\g>@NPlZ>@m1f�M$\]M$OQHhacHh\I^ �´F!H9aqA f/>@YIM$l`fkHh\]>@N VQN$iÇacF!H9>Z?/HI\&ac>yM:l�NPm]Yh>@l@l@M:ac>ZNP?/m¥f!\]N V/C/YIHhVÉbBAQa]F/HsOQN V/HIl>@m<M$b`NPC!a ��� F/NPC/\gmIK �8F/>ZY[FE>@m<M$lZm]NQYINP?!m]>@m&acHh?�a �8>Za]F a]F/H YIM$l@YhC/lyMdac>@N$?ÉN$i¥acF!H >Z?/HI\&ac>yM:lÇfkHh\]>ZNGV2N$iM$b`NPC!a � ^ � F/NPC!\]m´i�\]NPO acF/H'l@M:ac>pacC/V/H�N:i¿a]F/H'mgacC!V!AÉ\]HhJP>@N$?Ç^

�´F/H2\]>ZJPFBa��{M:\]V b/>yM:m N$i9a]F/HÉ>@?Ba]HI?/mgH >Z?/HI\&ac>@M$l-YhC/\]\gHI?BacmQbkHhF/>@?!V a]F/HÉmga]NP\]O Y�M$? b`HH uGf/l@M$>@?!HIV M$m<i�NPl@lZN�8m &£z-F�M$?/J � � ?BacF/Hhm ��� � '�^�*>@\gmga�K�acF!H z-NP\g>@NPlZ>@m´i�NP\]YhH a]C/\]?/m9acF/H NGYhH�M$?YIC!\]\]Hh?Bacm�>@?XacF/H mcM$OQH V/>Z\]HIY ac>ZNP? M$m<acF/H �8>@?/V m&ac\gHIm]m�N$? acF/H \g>@JPFBa9m]>ZV/H N$i¥a]F/H m&acNP\gO�a]\cM$Y)%�Kl@HIM$V/>Z?/JQa]N�M$?EH �QYI>ZHI?Basa]\cM$?/m&i�HI\9N$i1HI?!HI\]J:A i�\gNPO acF/H mga]NP\]O acNQacF/H NGYhH�M$?T^9|�AXYhNP?Bac\]M$mgaIKTNP?acF!HQlZHhi�a'mg>@V/H N$i+acF/HSm&acNP\gO ac\]M$Y)%�K(a]F/HSYIC/\g\]Hh?�a]m M$\gH acC/\g?/HIV >@? acF!HQN$f/fkN$m]>Za]H V/>@\gHIY ac>@N$? acNacF!H��8>Z?/VEm&ac\]Hhm]mhKT\]Hhm]C/lpac>Z?/J�>Z?3�+H�M�% YhC/\]\gHI?Bacmh^9DGHIYhNP?/VÇK`acF/H �{MdacHI\<f�M$\gYIHhl@m<NP?Xa]F/H \g>@JPFBa9m]>ZV/HN$i�acF!H mgacN$\]O,M:\]HSM$YhYIHIlZHI\]M:acHhV bBA a]F/H �8>@?!V i�NP\]Yh>@?/J�i�NP\�M�l@NP?/J$HI\sa]>@OQH acF/M$? acF/NPmgHSNP? acF/Hl@H i�a�mg>@V/H N$i1a]F/H mga]NP\]O &U_�\]HIM:acb�MdacY[FÇK � � � }�'�^��´F!H ?/Hha'\gHIm]C!lZa�>ZmsacF�Mda�acF/HÐ>@?/Hh\gac>@M$lYIC/\g\]HI?Ba]mNP?¼a]F/H \g>@JPFBa m]>ZV/H�M$\gH�OÐC/Y[F mga]\]NP?/J$HI\ a]F�M$?¼a]F/NPmgH NP?¼a]F/H lZHhi�a m]>ZV/H�N:i´acF/H�mgacN$\]O)ac\]M$Y)%

Page 13: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

� }

& �1\g>@YIH:K �����!� ' ^ �´F/H \]>ZJPFBa��{M:\]V b/>@M$msN:i1acF/H >Z?/HI\&ac>@M$l(YIC/\g\]HI?Ba]m�bkHhF/>@?/VXacF/H m&acNP\gO.lZH�M$V!m9acN�Mm]O�M$lZl@HI\<W8>@Y[F�M:\]V/mgNP? ?�C/O b`HI\�M:a9acF/H b�M$mgH N$i¥acF!H m]C/\&itM$YIH OQ>puGHhVElyM�A$HI\�M$?!V F/HI?!YIH mga]\]NP?!JPHI\HI?Ba]\cM$>Z?/O�Hh?BaÐM:?/V OQ>puG>Z?/J�NP? acF/HS\g>@JPFBa'm]>ZV/HSN$i-a]F/HSmga]NP\]O a]\cM$Y)%�K,�8F/>@Y[FTK¿>Z? a]C/\]? & �1\g>@YIH:K��� �G� ' K`>@m�O�M$>Z?/lZAÉ\gHImgfkNP?!m]>@b!l@HÐi�NP\<acF/HÐ\]>@J$F�a��-M$\gV b/>yM$m9N$i+D/D���YhNGNPlZ>@?/J &tOQNP\]H V/>@mgYIC/mgm]>ZNP? >@mJP>poPHI? >@?Éa]F/H � f/f`HI?/V!>pu ' ^

r9C!\]\]>ZY�M$?!H'=$C�M$?�\gH�M$Y[F!HIVÉacF/HsN�4TmgF/NP\gH�M$\]HIM$m{N$i�a]F/H�mgNPC!acF��+HIm&acHI\g? D YIN$a]>yM$?2D F/HIlpiM$\]NPC!?/V� �!© } �!K D HIf!a]HIO b`HI\ ��� &��*>ZJ/^ �$b '1M$?/VQO M:V/H8lyM$?/VGitM$l@l!M:a ��� © ��� NP? DGHIf!a]HIO b`HI\ ��� &��¿>@J/^ � ' ^ �´F/Hm]>ZO C/l@M:acHhVÉ\]HImgfkN$?/m]H'N$iacF/H D/DÉM$?!V mgl@NPf`H�acN a]F/H�mga]NP\]O >Zm´>@?/>pac>@M$l@lpA oPHh\gAÉmg>@OQ>@lyM:\�a]NSa]F�M:a8NxoPHh\V/HhHIf �-M:acHh\�&tH:^ J!^ �*>ZJ/^�PM�'�^ � aslyM:a]HI\8ac>ZO�HhmIK�V/C/HÐa]N�a]F/HÐYhNPO�f!l@>@YIM:acHhVXb`N$agacNPO acN$fkNPJ$\cM$f/FBA$KYINPM$mga]l@>@?!H�M$?/V2lyM:\]JPH!�qm]YIM$l@Hsb�M$Y)%�JP\]N$C/?/V YI>@\gYIC/l@M:ac>ZNP?�>Z?�acF/H'\]HhJP>@N$?ÇKGa]F/H'C/f/f`HI\´N YIH�M:?X\gHIm]f`NP?/mgHF�M$m<>Za]m8N��8?XC/?/>$- C!H i�HIM:acC/\gHIm &��*>ZJPmI^$�$Y:K V '�^´j�?/H N$i*a]F/H >@OQfkNP\&a[M$?Ba´i�HIM:acC/\gHIm<>@? �*>@J$mI^$�$Y$K VX>ZmacF!H�NGYhYIC/\g\]HI?!YIH N$im]Hho$HI\]M$l(l@N Y�M$lZ> #IHhV�O�MduG>@O�M N$i¥D/D�� YIN NPl@>Z?/JÐN$i*M$b`NPC!a � ^ � %�z NxoPHh\8a]F/H�m]lZNPf`H�-M:acHh\9\gHIJP>ZNP?ÇK �8F/>ZY[FEV/> 4THh\]m8m]>ZJP?/>$�/Y�M$?BaclpA i�\gNPO acF!H YhNP?Bac>@?�C/N$C/m9m&ac\g>@f N$i�D/D6��YIN NPl@>Z?/JS>@?ÉacF!H1�M:asbkN:a]acN$O�YIM$m]H3&£z-F�M$?/J#� � ?BacF/HhmIK ��� � ��1\]>ZYIH:K ��� �G� ��_�\]HIM:acb�MdacY[FÇK � � � }��km]HIH M$l@mgN �*>@J!^� } N$iacF!H � f/f`HI?/V!>pu ' ^ �´F/H'V/H a[M$>Zl@HhV D/D�� YhNGN$l@>@?!JÐNxoPHh\8a]F/H�m]lZNPf`H �{MdacHI\8\gHIJP>ZNP?É>@m´M:m]m]N YI>@M:acHhVO�M$>@?/lpA��8>Za]FEacF!H >@?BacHh\cM$Y ac>ZNP?EN$i1a]F/H m&acNP\gO �°>@?/V/C!YIHIVEYI>@\gYIC/l@M:ac>ZNP? �8>ZacFXacF/H o$M:\gA >@?/J bkN$agacNPOacN$fkNPJ$\cM$f/FBA &��*>@J/^ � '´M$?/VEa]F/H lyM$\gJPH�o$M:\]>yMdac>@N$?/m´N$i*a]HIOQfkHh\cM:a]C/\]H mga]\cM:a]>$��YIM:ac>ZNP?2>@? acF/H C/f/f`HI\N YIH�M:?ENxoPHh\sacF/H \]HhJP>@NP? &tH:^ J!^8a]F/HÐ\gHIV/C!YIHIV YhNGN$l@>@?!JQ?!H�M$\9~ � % w �8F/HI\gHÐacF!H m&acNP\gO�Yh\]NPmgm]HhmsacF/H_�C/lZi*D a]\]H�M:O�'�^

�N i�C/\ga]F/HI\sH u!M$OQ>@?/H'acF/HÐmgacN$\]O��q>@?!V/C/YIHhVEYh>@\]YhC/lyMdac>@N$?XNP?XacF/HSD YIN$a]>yM$? DGF/HIlpi�M$?/V mgl@NPf`H$K�+H H u!M$OQ>@?!HSa]F/H mgC/\gitM:YIH YhC/\]\gHI?Ba M:?/V a]HIOQfkHh\cM:a]C/\]HQV/>$4kHI\gHI?/YhHIm f/\]N V/C/YhHIV bBA acF/HQ>@?!?/HI\OQNGV/Hhl &��*>ZJ/^$�' ^ �´F/H >@?/?/Hh\8O�N V/HIl�V!NPO M:>@?ÉYINxo$HI\]m<acF/H M$\gH�MSN$i*a]F/H >Z?/HI\&ac>@M$lÇNPmgYI>@lZlyM:a]>@NP? #INP?/HV/C/\g>@?/J�r9C/\g\]>@YIM$?/HS=$C/M$?Ç^ |-Hhi�N$\]HÐa]F/H mga]NP\]O�\]HIM$Y[F/HIm�a]F/H m]F!HIlZi�b/\gH�M�%�KÇa]F/H N YIH�M:? \]HImgfkN$?/m]Hf/\gNGV/C!YIHIV¼b�A a]F/H >Z?/?/Hh\ OQN V/HIl1>Zm YhNP?2��?/HhV NxoPHh\ a]F/H V/HhHIf �{M:a]HI\hK �8>Za]F m&ac\]N$?/JENPCGa��{M$\gVm]C!\gitM$YhHÐYIC!\]\]Hh?BacmsC!?/V/HI\<acF/H mga]NP\]O M$?!V M�YhNPl@V �-M�%$H��8>ZacFX>@?BacHh?/m]H >@?/Hh\ga]>yM$lÇYhC/\]\gHI?BacmsbkHhF/>@?/VacF!H mgacN$\]O &��*>@J$mI^ $M!K b 'sM$m�b`Hhi�N$\]H$^ �¶F/Hh? a]F/H mga]NP\]O�\]HIM$Y[F/HIm'acF!H m]F/HhlZi�b/\]HIM�% &��*>@J!^ db ' KM�O�M$\ %$HIVEmgac\g>@f N:i �{M:\]O �{MdacHI\�& � D/D���>@m9M$b`NPC!a ��� � % z '<N YIYhC/\]ms>@?Xi�\gNP?BasN:i¥acF/HÐYINPlZV �-M�%$HV/C/H acN�F!NP\]>$#INP?Ba[M:l¿M:V!oPHhYhac>ZNP?Ç^ � i�a]HI\9a]F/HÐm&acNP\gO O M�%:HIm�l@M$?/V!itM:l@lUKGacF/H YINPlZV �-M�%$H \gH�M$Y[F/Hhm�>Za]mO�MduG>@O C/O &tYIlZNPm]H8acN � } % z '+M:a�acF/H9m]F/HhlZi�b!\]H�M�%�Mda{M$b`NPC!a � � � � % O a]N acF!Hs\]>ZJPFBa-N:iÇacF/H9mga]NP\]O

Page 14: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

� ~

ac\]M$Y)% &��*>ZJPmI^ :Y$K V '�^ �´F/HÐm&ac\]>ZfEN$i��{M:\]O m]C/\&itM$YIH��{MdacHI\9>@m8f/C/mgF/HIV a]N�b`N$a]FEm]>ZV/HIm9N$i*a]F/HÐYhNPl@V�-M�%$H:^+�´F/H M$O�f!l@>Za]C/V/H�M:?/VXf/M:a]a]HI\]? N$i¿acF/H D/D�� YIN NPl@>Z?/J NP?2acF/HÐD/D2M$?/V m]l@N$fkH'JPHh?/HI\]M:acHhVEbBAacF!H�>@?/?/Hh\´O�N V/HhlTYIN$O�f�M:\]H �+HIlZlTacN a]F/H'NPb/m]Hh\go$HIV Y[F�M$?/JPH'>Z? D/D�� V/C/\]>Z?/J acF!H m&acNP\gO mgF/N�8?X>Z?�*>ZJ/^ � ^ �´F/H'f/\gNP?/NPC!?/YIHhVXYhNGNPlZ>@?/JÐNvo$HI\´acF!H mgF/HIlpi*b!\]H�M�% NP?2b`N$acF2m]>ZV/HIm8N$i(a]F/H'mgacN$\]O5a]\cM$Y)%�K�>ZmM$lZm]N mgHIHI? >@?�acF/H�m]M:acHhl@l@>pacH<>@O�M$JPH &��*>ZJ/^ � '�K/M$?!V >Zm{M \gNPb/C/m&a´i�H�M:a]C/\]H�N:ia]F/H�OQNGV/Hhlk\gHImgC/lZa]m�&tm]HhHRTF�M$>£K ����� ~ '�^ � ? >@OQf`NP\gacM$?Ba9itM$Y acNP\9>@? H�uGf/lyM$>Z?/>@?!J�acF!>@msi�HIM:acC/\gH >@m<acF/H YhNPO b/>Z?�M:a]>@NP? N$i�acF/Ho:M$\]>@M$b/lZHsacNPf`NPJP\]M$f/FBA M$?/V2acF!H mgF�M$\gfkHh\<o$HI\ga]>@YIM$lÇacHhO�f`HI\]M:acC/\gH J$\cM$V/>ZHI?Ba8V/C/H'acNSacF!H H�uG>@mga]HI?/YhHN$i�acF!HQYhNPl@V �(M$b!\cM$V/N$\'z-C/\]\gHI?Ba bkHh?/H�MdacF acF/H mgC/\gitM$YhHSM:a�acF!H m]F/HhlZi+b/\]HIM�%�^ �´F/HSO Mvu!>ZO C/OoPHhl@N YI>paqAX>Z? a]F/H >Z?/?/HI\<OQNGV/Hhl(>@m9M$bkN$C!a � � � O m ���<M$?/V >Zm9b!>yM$mgHIVEa]NÉM$b`NPC!a � � � � %�O acN�a]F/H\]>ZJPFBa8m]>ZV/H�N$iacF/H�ac\]M$Y)%�K�YINP?/mg>@m&acHI?Ba �8>Za]F a]F/H'\]>ZJPFBa��{M$\gV2b/>yM$m´N:i�D/D�� &��*>ZJ/^ �'�^

5q?EYhNPOQf�M$\]>Zm]NP? �8>Za]FXa]F/H N$C!acHh\9OQNGV!HIl�\]Hhm]C/lpacm9Nvo$HI\<acF/H YINPOQOQNP?XmgC/b/\gHIJP>ZNP? �8F/Hh\]H acF/Ha��+NXJP\g>@V/m�Nxo$HI\]l@M$fÇK�acF!HQ>Z?/?/Hh\�O�N V/HIl*\]HImgNPlZo$HIm O�N$\]H OQHImgN��qmgY�M$lZH i�H�M:a]C/\]Hhm V/C!HSa]N2>Zacm�F!>@JPFF/NP\g> #hNP?Ba[M$l�\gHIm]N$l@C!a]>@NP? &��¿>@JPmh^ �!K �'�^ 5q?EM$V/V/>pac>@N$?ÇKGa]F/H m&acNP\gO i�NP\]Yh>@?/JS>Zm<OÐC/Y[FEb`HhagacHI\<\]Hhm]NPlpoPHhVNP? a]F/H >@?/?!HI\�OQNGV!HIl*J$\]>@VXacF�M$? NP? a]F/H NPC!a]HI\�OQN V/HIl¿JP\]>ZVÇ^ � m'M�\]Hhm]C/lpa�KÇa]F/H M$OQf/l@>pacC/V!HÐN$iacF!H mgacN$\]O��q>@?!V/C/YIHhV C/f/f`HI\�N YIH�M:? \gHImgfkNP?!m]HQf/\]N V/C/YhHIV bBA acF/HS>Z?/?/HI\sO�N V/HIl*>@m�l@M$\]JPHh\sacF/M$?acF/M:a´f/\gNGV/C!YIHIV2bBA a]F/H�NPC!a]HI\{OQN V/HIl£^ �´F/H�>Z?/?/HI\-O�N V/HIlkJPHI?!HI\cMdacHIm´OQNP\gH �-M$\]O5m]C/\&itM$YIH �-M:acHh\?/HIM$\sacF!H m]F/HhlZi�b/\]HIM�%Eb`Hhi�N$\]HÐa]F/H mga]NP\]O�O�Nxo$HIm�NP?BacN�a]F/H m]F!HIlZi KÇM$?/V acF!H YIN NPl@>Z?/J YhHI?BacHh\�>@?acF!H >Z?/?/HI\8OQNGV!HIl�>@m<M$b`NPC!a � ^ � % z YIN NPl@Hh\´acF�M$?2acF/M:as>Z?ÉacF/H NPC!a]HI\<O�N V/HIl£^�� H m]HIH acF�Mda9b`N$a]FacF!HÐ>@?!?/HI\<M$?/VENPC!acHh\9OQN V/HIlZm<J$HI?/Hh\cM:a]H a]F/HÐmg>@OQ>@lyM:\{\]>ZJPFBa��{M$\gVEb/>@M$m<N$i*a]F/H D/D6�7YIN NPl@>Z?/JSM$?/V>@?Ba]HI?/mgHÐ>@?!HI\ga]>yM$l�YhC/\]\gHI?Bacms>@?Xa]F/HÐC!f/fkHh\sN YIHIM$?Ç^<|-HIYIM$C/mgH N$i1>pacm<F/>@JPF!HI\<\]HImgNPl@CGac>@N$?ÇK�F/N�-H oPHI\hKacF!H�>@?/?!HI\{OQNGV!HIl`f/\]N V/C/YhHIm´O C/Y[F2m&ac\]N$?/JPHI\-YIC/\g\]HI?Ba]m9M:?/VÉm]F�M:\]f`HI\-i�\gNP?Bacm{>Z?ÉYINPOQf�M$\g>@m]N$? �8>Za]FacF!H N$C!acHh\´O�N V/HIlT\]HImgC/lZa]mI^ �´F/H'O�MduG>@O C/O�oPHhl@N YI>paqA &£M:bkNPCGa � ^ � O m ��� '&>@?�a]F/H'>@?/?!HI\´OQNGV/HhlT>ZmM$b`NPC!a ��� YIO m ���´l@M$\]JPHh\-acF/M$? a]F�M:a<N$i¿acF/H'NPC!a]HI\<O�N V/HhlU^ �´F/H NPC!a]HI\8O�N V/HhlÇ\]Hhm]C/lpacm<Nvo$HI\8acF/>ZmYIN$O�OQNP?2m]C/b!\]HIJ$>@NP? M$\gH M:l@m]NSOQNGV!>$��HhV2a]F/\]N$C/JPF2acF/H�ac\]M$?/m&i�HI\8N$i¥>Z?!i�NP\gO M:a]>@NP?Qi�\]NPO5acF/H'>@?!?/HI\OQNGV/HhlTo >yM acF!H ?!HImga]>@?/J a]HIY[F/?/>$-�C/H$^

�´F/H�N$acF/Hh\Ð>ZO�f`NP\gacM$?Ba'YI>Z\]YIC!lyM:a]>@NP? i�H�M:a]C/\]HQf/\gNGV/C!YIHIV bBA acF!H ?/HhmgacHhV mgA mga]HIO >@m'acF/HJPHh?/HI\]M:ac>ZNP? M$?/V f!\]NPf�M:JBM:ac>ZNP?EN:i�m]F/HhlZi �{M�o$HIm'V/C/\g>@?/JÉr<C/\]\g>@YIM$?/HS=$C�M:?Ç^ �*>@J!^ � m]F!N��8m�a]>@OQHm]Hh\]>ZHIm9i�\gNPO acF!HÐNPC!a]HI\<O�N V/HhlN:i¥m]>ZO C/l@M:acHhVXmgC/\gitM$YhHÐYhC/\]\gHI?Ba�V/> 4THh\]HI?!YIHImsM:a9fkNP>Z?Ba � KklZNGYIM:acHhV?/HIM$\<a]F/H YINBM$m&asN:i�z{M$f`H z-N VXM$?/VXitM:\8i�\gNPO a]F/H m&acNP\gO ac\]M$Y)%2N$i1r<C/\]\g>@Y�M:?/H =$C�M$?Ç^ � lZa]F/NPC/JPF

Page 15: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

���

acF!H�l@N Y�M$l`mga]NP\]O �8>@?/V�i�NP\gYI>Z?/JSM$m]mgNGYh>yM:a]HIV��8>pacF2r9C!\]\]>ZY�M$?!H =$C�M$?2>@m{?!HIJPlZ>@JP>Zb/l@H<M:a´f`NP>Z?�a � K!acF!Hm]>ZO C/l@M:acHhV �{M�oPH!�q>Z?/V/C/YhHIV¼F!NP\]>$#INP?Ba[M:l*YIC!\]\]Hh?Bacm M:a�acF/>Zm�fkN$>@?Ba�F�M�oPHQm]>ZJP?/> ��Y�M$?Ba�N$m]YI>Zl@l@M:ac>ZNP?/mV/C/\g>@?/J�acF/H ��\gmga � � V�M�AGm'Mdi�acHI\<acF/H m&acNP\gO M:?/V V/HIYIM�A �8>Za]FEac>ZO�HÐM:i�acHh\ �-M$\]V/mh^ �´F/H aqA f/>@YIM$lM$OQf/l@>pacC/V!HÐN$i�acF!H F/NP\]>$#INP?BacM$l*YhC/\]\gHI?Bacm M:a'f`NP>@?Ba � >Zm�M$b`NPC!a � � YIO,m ���sV!C/\]>Z?/J�acF/H �/\]mga �V�M�A mIK �8>pacF MÐaqA f/>@YIM$l�fkHh\]>ZNGV�N:i¥M$b`NPC!a ��� F/NPC/\gmIK2�8F/>ZY[F itM:l@l@m+>@?�a]F/H�\cM$?!JPH�N$i(aqA f/>@YIM$l�fkHh\]>ZNGV/mi�NP\´lZN��+�°O�N V/H�mgF/HIlpi��-M�oPHhm�&£w<>@>Zl@HI\{M$?/V A mcM�%�K ��� � ' ^�*>ZJ/^ � mgF/N�8m�a]F/H{acHhO�f`NP\]M$l/M$?!VQmgf�M:a]>yM$lGHhoPN$l@C!a]>@NP? N$i�a]F/H´F/NP\g> #IN$?�acM$lGo$HIlZNGYh>ZaqA V!>$4kHI\]Hh?/YIHhm

b`Hha��+HIHI?¼H uGfkHh\]>ZO�Hh?�a]m z �*5 � D��<j�W� M$?!V z �*5 M$lZNP?/J2M2l@>Z?/H N$i+fkNP>Z?Bacm'NP? acF/HSm]F!HIlZim]H oPHh\cM$lJP\]>ZV2fkNP>Z?Bacm<M �{M�AÉi�\]N$O acF/H'YhNBM$mgaI^ �´F/Hh\]H M$\]H'V/>Zmga]>@?/Y a9>Z?/HI\&ac>@M$lTNPmgYI>Zl@lyMdac>@N$?/m-?/HIM$\8acF/Hmga]NP\]O ac\]M$Y)% �8>pacF2M fkHh\]>ZNGV�N:i*M:bkNPCGa ��� F/NPC!\]mI^ 5q?ÉacF!H�\]HIJ$>@NP? �+HIm&a��{M:\]VEN:ia]F/H�mga]NP\]O ac\]M$Y)%�KacF!HI\]H�M$\]H�mgl@NPf`HIm+>@? a]F/Hsa]>@OQH��qmgf�M$YhH9V/N$O M$>Z?ÇK >@?/V/>ZY�M:a]>@?/J'acF!H�f/\]N$f�M$JBM:a]>@NP?QN$i�a]F/H�m]F!HIlZi*�-M�oPHhmI^�´F/H�f/F/M$m]H'm]f`HIHhVXN:ia]F/H�m]F!HIlZi,�-M�oPHIm9M$\gH�HImga]>@O�M:acHhV i�\]N$O5acF!H�m]l@N$fkHhm{N$i(acF/H�YhNP?BacNPC!\]m8>@? �¿>@J/^� acNQbkH�\gNPC/JPF!lZA ��� ^ ~SO m ��� ^

�´F/HQm]F/HhlZi �{M�o$HImÐH�uGYI>Za]HIV b�AEacF/HQmga]NP\]O,YIM$? M$l@mgNÉbkHSH u!M$OQ>@?!HIV >@? acHh\]OQm�N$i+a]F/HSm]HIMm]C!\gitM$YhHQHhl@H o$Mdac>@N$? M$?/NPO�M$lZA V/H���?/HhV M$m�a]F/HSV/>$4kHI\gHI?/YhHQ>Z? m]HIM mgC/\gitM$YhHSHIl@H o:M:ac>ZNP?/m�b`Hha��+HIHI?H uGf`HI\g>@OQHI?BacmQz �*5 � D��<j�W� M$?!VÀz �*5 ^ 5°a m]F/NPC!l@V bkHÉ?!N$acHhV a]F�M:a a]F/HÉm]HIM m]C/\&itM$YIHHIlZHho:M:a]>@NP? >@m<?/N$a9Y�M$lZYIC/l@M:acHhVXV!>@\]HhYha]lZA2bBA2acF/H ?/HIm&acHIV OQN V/HIlZl@>@?!J mgA mga]HIO�m]>@?!YIHÐ>pa<>@m<b�M$m]HhV NP?acF!H \g>@JP>ZV��qlZ>@VQoPHI\gm]>ZNP?EN$i¥z � w9e 5'&´^TD H�MSm]C/\&itM$YIH HIlZHho:M:ac>ZNP?2Y�M$? b`H V!>yM$JP?!NPm]HhVÇK�F/N�-H oPHh\IKki�\gNPOacF!H mg>@O C/l@M:acHhV2m]H�MQm]C/\&itM$YIH f/\gHIm]mgC/\]H C/m]>Z?/J � � ��� � ��� K �8F!HI\]H ��� >Zm8a]F/H m]H�MQm]C/\&itM$YIH f/\gHIm]mgC/\]Hm]>ZO C/l@M:acHhVEbBAXa]F/HÐ\g>@JP>ZV��qlZ>@VÉN YIHIM$? YI>Z\]YhC/lyM:a]>@NP? OQNGV/HhlUK ��� >Zm9a]F/HÐ\gHhi�HI\gHI?/YhH V/HI?!m]>ZaqAEM$?/V � >@macF!H JP\cM�o >ZacM:ac>ZNP?�M$lM$YhYIHIlZHI\]M:ac>ZNP?Ç^ �´F/H V/>@M$JP?/NPmgHIV m]C!\gitM$YhH HIl@H o:M:ac>ZNP? M$?/N$O M$lpA2f/\]Hhm]Hh?�a]HIV >@?�*>ZJ/^ � � MQmgF/N�8m�MSfkN$m]>Za]>Zo$H mgH�M mgC/\gitM:YIH M$?/NPO�M$lZA H u acHh?/V/>Z?/J�i�\gNPO acF!HÐ|{M�A N$i ��C!?/V!AÉacNSacF!HYIN$?�a]>@?/Hh?Ba[M$l¥mgF/HIlpi�N�4 ��NP?/J05qmglyM$?!V Mda � ~/© ��� DGHhf!acHhO b`HI\'} � � e ��^ �´F/>@msfkNPmg>Za]>ZoPH M$?/NPO�M$lZA&t>£^ H:^ZK�f`H�M�%�N$i*a]F/H m]F/HhlZi �-M�oPHhm)'<f!\]NPf�M:JBM:acHhm8m]NPC!a]F��{M$\gV M$?/VXM$\g\]>Zo$HIm9M:a´acF!H YhNP?Bac>@?!HI?Ba[M$l(mgF/HIlpiN�4 w<H���=$Hh\]mgHhAXM:a ��� © ��� DGHIfGacHIOÐbkHh\9} � &��*>@JPmh^ �� M �Ui)'�^ � i�a]HI\8acF/H'f`NPm]>pac>Zo$H'M$?/NPO�M$lpA lZHhi�a8acF/H_�C/lZi1N:i EM$>Z?/H$KTM ?/HIJPM:ac>poPH M:?/NPO�M$lZA2Hh?�a]HI\gm�acF/H H�M$m&acHI\g? _'C!lZi1N$i XM$>@?/H i�\]NPO a]F/H �+HIm&acHI\g?DGYhN$ac>@M$? D F/HIlpi´M:aÐM$b`NPC!a ��� © ��� DGHIf!a]HIO b`HI\Ð} � &��*>ZJ/^ �� Y' ^ �´F/H�YhHI?BacHh\ N$i+acF/>Zm ?!HIJBM:a]>Zo$HM$?/N$O M$lpA�\gH�M$Y[F/HhmsacF!H YhNP?Bac>@?!HI?Ba[M$lm]F!HIlZi¥N�4 z{M$f`H z-N V M:a9M$b`NPC!a � ~/© } ��DGHIf!a]HIO b`HI\s} � &��*>ZJ/^�� J�'9M$?/V � a]lyM$?Ba]>@Y z->paqA Mda'M$b`NPC!a �$� © ~ � NP? acF!H mcM$OQH V�M�A &��*>ZJ/^ �� � ' ^"�´F/H M:O�f/lZ>Za]C/V/H N$i

Page 16: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

� �

acF!HIm]H �{M�oPHhm�>@m9Y[F�M$\cM:YhacHh\]>$#IHIV bBAXM JP\]M$V/C�M:l¿V/HhY�M�A i�\]NPO acF!HÐYINPM$mga9acN a]F/HÐmgF/HIlpi �qb/\gH�M�%�KTb!C!aV/C/H acNSacF/H m]YIM:a]a]HI\g>@?/J�b�A2a]F/H \gNPC/JPFXbkN:a]acN$O acNPf`NPJP\]M$f/FBA M$?/VXYINBM:mgaclZ>@?/H:K/acF/Hhm]H mgF/HIlpi �-M�oPHImM$\gH ?/N$a�>Z? m]C/Y[F M�\]HhJPC/l@M$\sf�Mda]acHh\]? M$m�mgHIHh? >Z? M$? >@V!H�M$lZ> #IHhV mga]HIf�� �8>@mgH m]F/HhlZi�O�N V/Hhl*m]H a �°C/f&URTF/M$>UK ����� ~ '�^

�´F/H2N$a]F/HI\ >Z?�a]HI\gHImga]>@?/J i�HIM:acC/\gHIm >Z? �¿>@J/^ �� M$\gH�a��-N �{M�o$H a]\cM$>Z?/m N$i9m]HIM mgC/\gitM:YIHM$?/N$O M$lZ>@HhmIK��8>pacF M ?/HIJPM:ac>poPH M$?/NPO�M$lpA ac\]M$>@?2M:l@NP?/J a]F/H mgacN$\]O a]\cM$Y)%ÉM:?/VEM f`NPm]>pac>poPH M$?/NPO�M$lpAac\]M$>@? M:a M$b`NPC!a ����� %�O,acN acF/HQH�M$m&aÐN:i-acF!H�m&acNP\gO;a]\cM$Y)% &�acF/Hh\]HQ>@m M$lZm]NXM acF!>@\]VTK,�+H�M�%$HI\f`NPm]>pac>Zo$HÐM:?/NPO�M$lZAÉa]\cM$>Z?XacNQacF/HÐl@Hhi�a9N$i1a]F/HÐm&acNP\gO a]\cM$Y)%�'�^ � lZNP?/J�a]F/HÐ?!HIJBM:a]>Zo$HÐac\]M$>@?ÇK�a]F/HI\gHM$\gH'a]F/\]HhH mgHIf�M:\cM:a]HÐ?/HhJBM:ac>poPH M$?/N$O M$lZ>@Hhm´M:a � ~/© ��� DGHIf!a]HIO b`HI\9} � � e � &��*>ZJ/^ � � M�' K��8>ZacF2acF!HlyM:\]JPHhmga�M:?/NPO�M$lZA2NxoPHh\�V/HhHIf �{MdacHI\hK�M$? >Z?BacHI\gO�HhV/>yMdacH M:?/NPO�M$lZA2Mda�acF/HÐm]F/HhlZi�b/\gH�M�%XM$?/V a]F/Hm]O�M$lZl@HIm&a�M$?!NPO M:lZAEM:a�acF!HQYhNBM$m&a�^ � a l@M:acHh\sac>ZO�HhmIKTa]F/H >@?BacHh\]OQHIV/>@M:acH M$?/NPO�M$lZA f/\gNPf�M$JPM:acHhm?/NP\&acF��-M$\]V M$?/V JPHh?/HI\]M:acHhm MÉmgF/HIlpi �-M�oPHQM$m'>Zas>@OQf/>@?/J$HIm�NP? a]F/H YINBM:mga &��¿>@JPmh^ �� b6�qVÇKÇJ �$� ' ^� a lyM:a]HI\sa]>@OQHIm'M$JPM$>@? &�mga[M:\gac>Z?/J2M:a ��� © ��� � e �(' KÇacF!HQl@M$\]J$H ?/HIJPM:ac>poPHQM$?/NPO�M$lpAENxoPHh\'V/HIHhf�-M:acHh\9mgf�M �8?/m�MS?/H���>@?BacHh\]OQHIV/>@M:acH�?/HhJBM:a]>ZoPH M$?!NPO M:lZAQacF�M:a<f/\gNPf�M$JPM:acHhm9?/N$\gacF��-M$\]VEM$?/V2acF/Hf/\gNGYhHIm]m \]HhfkHIM:acm'>pacm]HhlZi ^QDG>ZO�>ZlyM$\glZA$KkM2lyM:\]JPH f`NPmg>Zac>poPHSM$?!NPO M:lZAXmga[M:?/V/m Nvo$HI\ V/HIHhf �-M:a]HI\'acNacF!H H�M$m&a'N$i1acF!H ?/HIJBMdac>Zo$H M$?/N$O M$lpA M$?/V mgf�M �8?/m�acF/H mgO M:l@l@Hh\/�°m]> #hH f`NPmg>Zac>poPHÐM$?/NPO�M$l@>ZHIm8acF�Mdaf/\gNPf�M$JBMdacH�?/NP\&acF��-M$\]VEM$?/V2JPHI?!HI\cMdacH m]F/HhlZi �{M�oPHhm�M$m´a]F/HhAÉ\gH�M$Y[F acF/H'YhNBM$mga &��*>@JPmh^ �� H:K i ' ^

�´F/H N:acF/Hh\�>@?BacHh\]Hhmgac>Z?/J f!F/HI?/N$O�Hh?/NP? f/\gNGV/C!YIHIV bBA acF/HÐ?/HIm&acHIV m&A mgacHhO,>@m8acF!H NP?/mgHha�N$i>@?!HI\ga]>yM$lTNPm]Yh>@l@l@M:ac>ZNP?/m´Mdi�acHI\<OQNP\]H�acF/M$? �� V�M�A m�M:a<lZNGYIM:ac>ZNP?/m8M$lZNP?/J acF/H f�M:a]F �-M�A N$i*a]F/H _�C/lZiD a]\]H�M:O itM:\<i�\gNPO acF/H mga]NP\]O a]\cM$Y)%�K �8F!HI\]H acF/Hh\]H >@m9M$l@mgN ?/N�l@N Y�M$l�m&acNP\gO i�N$\]YI>Z?/J/^ �´F/Hh\]HÐM$\]Ha��+N YIN$O�f`Hha]>@?/J FBA fkN:acF/Hhm]HImsYINP?/YhHI\g?/>@?/JSacF!H OQHIY[F/M$?/>@mgO i�NP\´acF!>@m´f/F/Hh?/NPOQHI?/N$?Ç©+lZ>@?/HIM$\+�-Mxo$HV/>Zm]f`HI\]mg>@NP?XN$i1>Z?/HI\&ac>yM:l �qJ$\cM�o >ZaqA �{M�oPHhm�i�\]NPO a]F/H m&acNP\gO ac\cM:Y)% &�H$^ J/^ZKT_�>@l@l£K ��� � ~ '{NP\sM:V!oPHhYhac>poPHf/\gNGYhHIm]mgHImh^ RTF�M$>+HhaQM$l£^ & ����� ~$b ' F�M�oPH2V/HhO�N$?/mga]\cM:a]HIV acF!HÉ>@OQfkNP\&a[M$?!YIH N:i9J$HINPm&ac\]N$f/F/>@YM$V!o$HIY ac>@N$?Ei�NP\<Y�M$\g\gA >@?/J�acF/H ?/H�M$\ �q>Z?/HI\&ac>yM:l�HI?/Hh\]J$A acN�\]HIJ$>@NP?/m9\]HhO�N$a]H i�\gNPO acF/H mga]NP\]O ac\]M$Y)%bBA C/mg>@?/J2M�V!>yM$JP?!NPmga]>@YÐOQN V/HIl¿\]C/? >@? �8F/>@Y[F acF!H b�M$\]N YIlZ>@?/>ZY V!>@m]f`HI\gm]>ZNP? N$i�>@?!HI\ga]>yM$l �qJP\]M�oG>paqA�-Mxo$HIm9>@m´H uGYhl@C/V/HhVÇ^

5q?EN$\]V/Hh\8a]N�H�u ac\cM:Yha<HI?/Hh\]J$AXM:a´a]F/H ?/H�M$\ �q>Z?/HI\&ac>yM:lki�\]H�-�C/HI?/Y APKTMQb�M:?/V/f�M$mgm(�/lZacHh\8YIHI?Ba]HI\]HhVM:a+acF/H�lZNGYIM$l�&t~ � % w '�>@?/Hh\gac>@M$l/i�\]H�-�C/HI?/Y AÉ>@m+C/m]HhVÇ^ �´F/H"%�>@?!Hhac>ZY9Hh?/HI\gJ$A�N:iÇacF/Hsm]C/\&itM$YIH�YhC/\]\gHI?BacmhKJP>poPHI?2bBA & � � ��� � ' � � & �8F/HI\gH � M$?!V � M$\]H�a]F/H'F/NP\g> #IN$?�acM$lko$HIlZNGYh>ZaqA�V!>$4kHI\]Hh?/YIHhm)'{>@m´YhNPOQf/C!acHhV

Page 17: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

M:i�a]HI\sa]F/H b�M$?/V!f�M$m]m �/lZacHh\�>@msM$f/f/lZ>@HhVÇ^"�´F/HS?/H�M:\/�q>Z?/HI\&ac>@M$l(HI?/Hh\]J$AE>@m�>Z?/>Za]>yM$lZlZA�b!>yM$mgHIV acN�a]F/H\]>ZJPFBa'N$i-a]F/HSmga]NP\]O a]\cM$Y)% Mda V/MxA �!K¿V!C/H acN2acF/HS\]>ZJPFBa��{M:\]V b/>yM$m'>Z? a]F/HSmga]NP\]O��qJPHh?/HI\]M:acHhVYIC!\]\]Hh?Bacm3&tH:^ J!^ZK �1\]>ZYIH$K ��� �!� ' &��*>ZJ/^ �P� M�' ^ �´F!HÉ?/H�M$\ �q>Z?/HI\&ac>yM:l�Hh?/HI\gJ$A >Zm a]F/HI? M$VGoPHIY acHhVJP\]M$V/C�M$lZlZA2bBAEa]F/HS_�C/lZi+D�ac\]HIM$O acN a]F/H H�M$m&a'M:a�a]F/H l@M:ac>pacC/V/H M$\gNPC/?/V ~ � % w &��¿>@J/^ �$� bÇK Y$K V ' ^�´F/HS?/HIM$\/�°>@?/Hh\gac>@M$lHI?/Hh\]J$AEV/HIYIMxA m M$m�>Zas>@m'M$VGoPHIY acHhV F/N$\]> #hNP?Ba[M$lZlZA$KTV/C/H a]NÉV/>@mgm]>Zf�M:ac>ZNP? M$?!VacF!H oPHI\&ac>ZY�M$l1f/\gNPf�M$JPM:ac>ZNP? N$i�acF/H Hh?/HI\gJ$AP^��´F!HSa]>@OQH m]YIM$l@H N:i�a]F/HSF/NP\g> #IN$?�acM$l¥M:V!oPHhYhac>ZNP? >@mYIN$?/m]>ZmgacHh?Ba �8>pacF2acF/H'oPHhl@N YI>ZaqA�m]Y�M:l@H�i�NP\{acF!H _�C/lZi¥D a]\]H�M:O >@?2acF/H'OQNGV!HIlU^ �´F/H m]F!HIlZi �°b/\]HIM�%��gH aM$lZm]N�M:V!oPHhYhacm�a]F/HÐ?/HIM$\/�°>@?/Hh\ga]>yM$l(HI?!HI\]J:AXa]N acF/HÐm]NPC!a]F��-Hhmga M$l@N$?/JQa]F/H mgF/HIlpi �qb/\gH�M�%XM$msmgHIHh? >Z?�*>ZJ/^ �P� ^

�´F/H ?/H�M$\ �q>Z?/HI\&ac>yM:lÇHI?/Hh\]J$A JPHh?/HI\]M:acHhVEbBA2acF/H mga]NP\]O >Zm9>Z?/>Za]>yM$lZlZASYhNP?2��?/HhV >@?2acF!HÐm]C!\gitM$YhHOQ>puGHIV2lyM�A$HI\I^ 5°a<JP\cM:V/C�M$lZlZA�f/\]NPf/M$JBM:a]HIm<V/N�8? �-M$\gVE>@?Éa]F/H i�N$l@l@N�8>Z?/JÐacHh?XV/MxA m9O M$>Z?/lZAQNP?2acF!H\]>ZJPFBa�mg>@V/H N$i1a]F/H mga]NP\]O ac\]M$Y)%�K �8F/HI\gH acF/Hh\]H H�u!>Zmga]m'M�lyM$\gJPHI\9HI?/Hh\]J$AEm]NPC/\gYIH >Z? acF/H mgC/\gitM:YIHOQ>puGHIVXlyM�APHh\�&��¿>@JPmh^ ��� M �qY ' ^(�´F/HÐoPHh\ga]>@Y�M:l¿f/\gNPf�M$JPM:ac>ZNP?XN:i1acF/H ?/H�M$\ �q>Z?/HI\&ac>yM:l�HI?/Hh\]J$AXY�M$?EbkH>@?Ba]HI\]f!\]Hha]HIV C!m]>@?!JQa]F/HÐYhNP?/YIHhf!a�N:i¥OQNGV�M:l�>@?BacHh\gi�HI\gHI?/YhH M$?!VEm]Hhf�M$\]M:ac>ZNP? M$m<V/Hhm]YI\g>@b`HIV >Z? _�>@lZl& � � � ~ '<M$?/V RTHh\go:M�%�>@m�M:?/V ��Hho >@?/H0& ��� � � ' ^ �´F!HÐacN$acM$l?/H�M$\ �q>Z?/HI\&ac>yM:lHh?/HI\gJ$A V!HIYI\gH�M$mgHIm"�8>Za]Fac>ZO�HsV/C/H�acNQV/>@mgm]>Zf�M:ac>ZNP?2M$?/V2NP?!lZAÉMSm]O�M$lZlÇM$OQNPC/?Ba8>@m´lZHhi�a<M:a8V/MxA ��� ^

� � 0 ��� � �1�/����%���� &�G�(���!�/ �+%

� HÐmga]C/V/>ZHIVXa]F/HÐC!f/fkHh\sN YIHIM$?E\gHIm]f`NP?/mgH NP? acF/H DGYIN$a]>yM$?EDGF/HhlZi�M:?/V m]lZNPf`H'a]N�r<C/\]\g>@Y�M:?/H=$C�M$? & ����� }�' C/mg>@?/J MX?/HIm&acHIV6�qJP\g>@V N YIH�M:? YI>@\gYIC/l@M:ac>ZNP? O�N V/HIl�V/H oPHIlZNPf`HIV bBA RTF�M$>�Hha M$lU^& ����� ~BM�'�^ �´F/H<?/HhmgacHhV�mgA m&acHIO YIN$?/m]>Zmgacm�N$iÇM���?/H!�qJP\g>@VS>@?!?/HI\�O�N V/Hhl/YINxoPHh\]>Z?/JÐacF!H�DGYhN$ac>@M$?�DGF/HhlZiM$?/V�M$V �]M:YIHI?Ba+m]lZNPfkH8M:?/V M'YINPM$\]mgH��qJ$\]>@VSNPCGacHI\�OQNGV!HIl/YhNvo$HI\g>@?/J'acF/H<?/NP\&acF��+HImga � acl@M$?Bac>ZY<j�YhH�M$?T^�´F/H�?/H��8lZA�V/Hho$HIlZNPfkHhV�a��-N ���-MxA�?/HIm&ac>@?!JÐacHhY[F/?/> -�C/H�b/M$m]HhV N$? acF/Hsm]OQNGN$a]F/HIVÉmgHIOQ> �°f/\]NPJ$?/NPmga]>@YOQHhacF!NGV &URTF�M:>H a�M:lU^pK ����� ~BM �TD F/HI?/J�HhasM$lU^pK ����� ~�'´>Zm8C/m]HhVEacNQac\cM:?/mgi�Hh\9>Z?!i�NP\]O�M:a]>@NP?Éb`Hha��+HIHh?acF!H NPC!acHh\'M$?/V >Z?/?/HI\�OQN V/HIlZmsNxoPHh\'a]F/H YIN$O�OQNP? mgC/b/\]HhJP>@N$? �8F/HI\gHSa]F/H a��+N J$\]>@V!m�NxoPHI\glyM$fT^5q? YhNPO�f/M$\]>Zm]NP?3�8>ZacFXacF/H YhNBM$\gm]H��°JP\]>ZVENPCGacHI\9O�N V/HhlUK�acF/HÐ>@?/?/Hh\sOQNGV!HIl(JPHI?!HI\cMdacHIm'MQmga]\]NP?/J$HI\\]Hhm]f`NP?/mgH$K(m]F�M:\]f`HI\�i�\]N$?�a]mIK(M$?!V OQNP\gH O�Hhm]N��°m]YIM$l@H m&ac\gC/Yha]C/\]Hhm V!C/H acNÉ>Za]m�F/>ZJPF/HI\sF/NP\]>$#INP?BacM$l\]Hhm]NPlZC!ac>ZNP?2M$?/V b`Hha]a]HI\8\]Hhm]NPlZC!ac>ZNP?ÉN$iacF/H'm&acNP\gO i�NP\]Yh>@?/JSNP?Éa]F/H"��?/H O�N V/HIlTJP\]>ZVÇ^

Page 18: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

���

�´F/H�?/HIm&acHIV6�qJP\g>@V¼OQN V/HIlZl@>@?!J�mgA mga]HIO;A >@HIlZV/m MX\gH�M$mgNP?�M$b/lZH�C!f/fkHh\ N YIHIM$?¼\gHImgfkNP?!m]H�a]Nr9C!\]\]>ZY�M$?!HÐ=$C/M$?Ç^+|-Hhi�NP\gH�acF/H mga]NP\]O \gH�M$Y[F!HIm9a]F/H DGYIN:ac>yM:? DGF!HIlZi KGacF/H m]>ZO C/lyMdacHIV2C/f!fkHh\<N YIHIM$?\]Hhm]f`NP?/mgHÐ>@?2acF!H V/HhHIf �-M:a]HI\<>@m8Y[F�M$\]M$Yha]HI\]>$#IHhV bBA2mgac\gNP?/J�V/>Zo$HI\]J$HI?BasYhC/\]\gHI?Bacm<i�NP\]YhHIVXV/>@\gHIYha]lZAbBAÉacF/H'lZNGYIM$l �8>@?!V i�NP\gYI>Z?/JSC/?/V/Hh\8a]F/H mgacN$\]O K�MQ\g>@JPFBa��-M$\]V b/>@M$m´N$i�D!D�� YhNGNPlZ>@?/J!K/M$?/V >@?Ba]HI?/mgH>@?!HI\ga]>yM$lTNPm]Yh>@l@l@M:ac>ZNP?/m+bkHhF/>@?/V acF/H mga]NP\]O ^ �´F/HÐM:O�f/lZ>Za]C/V/H'M$?/V V/>Zmgac\g>@b/CGac>@N$? N:i*acF!H YhNPl@V �{M�%$Hf/\gNGV/C!YIHIVEb�A2a]F/HÐOQNGV!HIl�YIN$O�f�M:\]H �-Hhl@l,�8>ZacF acF/H NPb/mgHI\&oPHIV Y[F/M$?/JPH >Z? D!D��7HIm&ac>@O�M:a]HIVXi�\gNPOmcMdacHIlZl@>pacHÐ\gHIOQN$acH mgHI?/mg>@?/JED/D�� V�M:acM2b`Hhi�N$\]HQM$?/V M:i�a]HI\�acF!HQm&acNP\gOX^ � i�acHh\'r9C/\g\]>ZY�M$?/H�=$C�M:?OQNvo$HIm9NP?BacN�a]F/HÐmgF/HIlpi KkYhNP?Bac>Z?/HI?Ba[M:l¿mgF/HIlpi �{M�o$HIm'M$\gH H�u!Yh>Za]HIV M$?!VEf/\gNPf�M$JBMdacH �8>ZacF acF/H YINBM:mgaNP?QacF/Hh>@\�\]>ZJPFBa�^ �´F!HIm]H �{M�oPHhm{Y�M:? H�M:m]>@lpA b`H9mgHIHI? >@?SacF/H<m]HIM m]C!\gitM$YhHsHIlZHho:M:a]>@NP?���Hhl@V YhNPOQf/C!acHhVi�\]N$O a]F/H OQNGV!HIlUKkM$?/V >Z?EacF!HÐacHhO�f`NP\cM:l¿M:?/V m]f�Mdac>yM:l¿H oPNPlZC!ac>ZNP? N$i1a]F/H F/NP\g> #hNP?Ba[M$lYIC/\g\]Hh?�a]mI^�´F/H�f/F�M$mgH�mgfkHhHIV N$i-acF/HQm]F/HhlZi �{M�oPHhm HIm&ac>ZO M:a]HIV i�\]NPO,a]F/HQO�N V/HIl1\gHImgC/lZa]m >ZmÐM$b`NPC!a ��� ^ ~O�m ��� ^"�´F/H N$a]F/HI\s>@?BacHh\]HIm&ac>Z?/JÉf/F/Hh?/NPOQHI?/NP? f!\]N V/C/YIHhV b�A acF!H O�N V/HIl>@m<acF�Mda�acF/HÐ>@?/Hh\gac>@M$lNPmgYI>@lZlyM:a]>@NP?!msM$\gH JP\cM:V/C�M$lZlZAEM$V!oPHhYha]HIV¼HIM$mga��-M$\gV >Z? acF/HSN YIH�M:? >Z?BacHI\g>@NP\sb�AEacF/H OQNGV!HIl�_�C/lZiD a]\]H�M:OX^ �´F/H M$V!o$HIY ac>Zo$H OQHIY[F/M$?/>@mgO i�NP\´V/>Zm]f`HI\gm]>@?!JSa]F/H'>@?/Hh\ga]>yM$lkHI?/Hh\]J$AÉYhNPC/lZVXb`H�>@OQfkN$\ga[M:?�ai�NP\´C/?!V/HI\gmga[M:?/V/>@?!J�OQ>puG>@?!J >@?�acF!H N YIHIM$?XM$m<M$\]JPC!HIV b�A2RTF�M$>ÇH asM:lU^ & ����� ~Pb ' ^

� ���<%����¹� �(��3-���%{�!�

� H �8>@m]F a]N�acF�M$?2% z{M$\gmgacHh?�&�V!HI? M$?/V � l@M$? e�M�o >@HIm�i�N$\sC/mgHhi�C/l1V/>Zm]YhC/m]mg>@NP?/mh^ � HSM$\]HM$lZm]NÉJP\]M:acH i�C/l*acNXz-F/\g>@m ��NPJBM:\gaqAEi�N$\�f/\]Nxo >@V!>@?/JÉC/m�a]F/HS\]H�M:l@>@m&ac>ZYÐmga]NP\]O�ac\]M$Y)% M$?/V mcMdacHIlZl@>pacH\]HhO�N:acH�m]Hh?/m]>Z?/JQV�M:a[M N$i1D/D���^ �´F/>Zm8f/\]N �gHhYha<>@m´mgC/f/f`NP\ga]HIVXb�A i�C/?/V/>Z?/J i�\]NPO z �¿z � Dk^

����� �%��'�� � ��� � �(�!�� ����� � �s&%�3 0 �`���� �

�´F/HÐo$HI\&ac>@YIM$l*HhV/V!AXoG>Zm]YhNPm]>paqAEM:?/V V/>$4kC/mg>Zo >ZaqA2YhNGH ��Yh>@Hh?�a]m�>@? acF/H N YIHIM$? m]C!\gitM$YhH O�>�uGHIVlyM�A$HI\�&£D � '9M:\]HÐf/M$\cM$OQHha]HI\g> #IHhV >@? acHh\]OQmsN$i�M�m]Y�M:l@H o$HIlZNGYh>ZaqAP^"��NP\8acF/H �8>Z?/V��°V/\]>poPHI? D �1KacF!H m]YIM$l@HÐo$HIlZNGYh>ZaqAX>@msC!m]C�M$lZlZAXM$mgm]C/OQHIV a]NÉbkH Hh>Za]F/HI\<acF/H �8>Z?/V mga]\]Hhm]m�i�\]>ZYhac>ZNP?Xo$HIlZNGYh>ZaqAPK ��� K&tH:^ J!^�z-F�M$?/JSM$?!V � ?BacF/Hhm�& ��� � '�M$?/V _�\]H�Mdacb�M:a]Y[F & ����� � ' '�KGN$\ ��� &tH:^ J/^pK �1\g>@YIHsHha8M$l£^ZK ��� � ' K�8F/>ZY[F >Zm'a]F/HSO M:JP?/>Za]C/V/H N$i�acF!H�OQH�M$? o$HIl@N YI>paqA V/> 4THh\]HI?!YIHQM$YI\gNPm]m'acF!HQb/M$m]HQN$i�acF/H D �1^�*M:\cM$OQHha]HI\]>$#I>Z?/JÉO�>�uG>@?/J�>Z? acHI\gO�m�N:i ��� >@OQf/l@>ZYI>paclZA M:m]m]C!O�Hhm'a]F�M:a'b/\gH�M�%�>Z?/J0�{M�oPHhm M:a�a]F/H

Page 19: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

���

m]C!\gitM$YhH M$\]H \]Hhm]f`NP?/m]>Zb/l@H i�NP\9a]F/H a]C/\]b!C/l@Hh?/YIHÐa]F�M:asHI\]N V/HhmsacF/HÐb�M$m]HÐN$i¥acF!HSD �1K �8F!HI\]HIM$m�Mf�M$\]M$OQHhacHh\]>$#�M:a]>@NP?2b�M$mgHIV N$? ��� M$mgm]C/OQHIm<acF�Mda9a]F/H >ZO�f`NP\&a[M$?Ba8acC/\gb/C/lZHI?/YhH >Zm9JPHh?/HI\]M:acHhV bBAm]F!H�M$\�>Z?/mgacM$b/>@lZ>ZaqA M:asacF/H b�M:m]H N$i�acF!H O�>�u!HhV lyM�APHh\�>Za]m]HhlZi ^���>@?/V/Hh? & ��� � 'sM$\gJPC/HhV acF�M:asacF/H\cMdacHÐN:i�HI?Bac\]M$>@?/OQHI?Ba�M$YI\gNPm]m�M�V/HI?/mg>ZaqAX>@?BacHh\gitM$YhH$Kkf/\]N V/C/YhHIV bBA M�mgac>Z\]\g>@?/J�JP\]>ZVÇKkmgF/NPC/lZV ?/N$ab`H \gHIl@M:acHhV V!>@\]HhYha]lZA a]NQa]F/H�oPHhl@N YI>ZaqA N$iacF/H'mga]>@\g\]HI\ &�YINP\g\]HImgfkN$?/V/>@?!JSa]N�b!\]H�M�% >Z?/J��{M�o$HIm�Mda´acF/Hm]C!\gitM$YhH' K`b/C!a9acNSacF/H acC/\gb/C/lZHI?Ba9o$HIlZNGYh>ZaqA M:a<acF/H >@?BacHh\gitM$YhH$^ �´F/>Zm9>Zm9b`HIYIM$C/mgH acF!HÐOQHIY[F�M$?!>@Y�M:lHI?!HI\]J:A�V/Hh?/m]>paqA�V/HhY�M�A m(�8>pacF�V/Hhf!acFTK�M$?/V2M m]O�M$lZl@HI\�i�\cM:Yhac>ZNP?�N$i(a]F/H�HI?/Hh\]J$A >@?/f!C!a´>@m-M�o$M:>@lyM:b/l@Hi�NP\'OQ>puG>@?/J0�8F/Hh?¼acF!H�l@MxA$HI\ >@m'V/HhHIf M$?!V acF!H >@?Ba]HI\gitM:YIH i�C/\ga]F/HI\'i�\]N$O,acF/HQHI?/Hh\]J$A mgNPC/\]YhH& �´F!NPO�f!m]NP?�� �¿C!\]?/Hh\IK ��� � ' ^ �1\]>@YhHSHhaÐM$lU^ & ��� � '�M$\]JPC!HIV a]F�M:a ��� >Zm M2b`Hha]a]HI\ m]YIM$l@HoPHhl@N YI>paqA2b�A mg>@O C/l@M:ac>Z?/JSNPb/mgHI\go$HIV N YIHIM$?/>@Y Y�M:m]HImsN$i � V/HhHIf`HI?/>Z?/J/^ � m9>@m<m]F/N�8? l@M:acHh\IK�acF/HY[F/NP>ZYIH N:i � � KÇ\cM:a]F/HI\9acF�M$? � � KÇf/lyM�A m�M %:HhA \gNPl@H >@? f!\]N V/C/YI>Z?/J a]F/H \]>ZJPFBa��{M:\]V b/>@M$msN$i1a]F/HC/f/f`HI\8N YIHIM$?X\gHImgfkNP?!m]H'acNQM O�Nxo >@?/JSF�C/\g\]>@YIM$?/H:^

5q? �1\]>ZYIH � m�l@MxA$HI\gHIV OQNGV/Hhl+& �1\]>@YhH$K ��� �!� '�K`a]F/H \]M:acH N$i�HI?Bac\]M$>@?!O�Hh?�a�M:asa]F/H b�M:m]H N$i1a]F/HD � & ���� " ' � � � >Zm´JP>Zo$HI?2bBA

����

�������� � � � ���� �� � � �� � ����� � � &���� �7� '� &���� % � '

& � � '

�8F/Hh\]H�����>Zm9M:? Nxo$HI\cM:l@l(W8>@Y[F�M$\gV/m]N$? ?�C/OÐbkHh\IK�V/H���?/HIVEM$m

��� � � � � � � �� & � � ' � & � � '

�8F/Hh\]H � � >@m a]F/HEV/Hh?/m]>paqAÀV!>$4kHI\]Hh?/YIHEM$YI\gNPm]mQacF/H b�M$mgH N$i9acF/H D ��M$?/V ��� >@mSacF/HYIN$\]\]Hhm]f`NP?/V/>Z?/JEV!>$4kHI\]Hh?/YIHQN$i{a]F/HQb/C/l % o$HIlZNGYh>ZaqAP^ÉDG>@?/YhHQa]F/H m&acNP\gO �°>@?/V!C/YIHhV YhC/\]\gHI?Bacm M:\]HC/mgC�M$l@lpA2mga]\]NP?/J$HI\sa]N acF/H \]>ZJPFBa�N$i¥a]F/H m&acNP\gO a]\cM$Y)%2acF/M$?EacN�acF/H lZHhi�aIK & � � '<M$?/V & � � '8>@OQf/lZAOQNP\]HQHI?Bac\]M$>@?!O�Hh?�aÐNP?¼a]F/H \g>@JPFBa m]>@V!H N$i{a]F/H�m&acNP\gO;a]\cM$Y)% acF/M$?¼acF!H l@H i�a�^ �1\]>ZYIH & ��� �!� 'm]C!JPJPHIm&acHhV a]F�M:a´acF!>@m´OQHIY[F�M$?!>@m]O5>@m{\gHImgfkNP?!m]>@b!l@H�i�NP\{a]F/H�b/>yM:m-acN acF!H�\]>@J$F�a8N:ia]F/H�ac\]M$Y)%�N$iacF!Hm]HIMQmgC/\gitM:YIH'acHIOQf`HI\cMdacC/\gH�\]HImgfkN$?/m]H:^

�´F/H V!HhitM$C/lpa9o$HI\&ac>@YIM$l(O�>�uG>@?/JQm]Y[F/HhO�HÐC/m]HhV >@? z � wse 5'&¶>@msz-mcM:?�M$V!A � m & ������� '{i�NP\]O C!lyMi�NP\8acF/H oPHI\&ac>ZY�M$lHIV/VGAXo >@mgYINPmg>ZaqAX>@? acF/H D �1K �8F/>ZY[F V/HhfkHh?/V/m�NP? ��� \]M:acF!HI\9a]F�M$? ��� KkM$?/V�(M$\]J$HÐHha�M$lU^ � m<i�NP\]OÐC/lyM & ��� � ~ '8i�NP\<oPHh\gac>ZY�M$l¿O�>�uG>@?/JQ>@?Ea]F/H >Z?�a]HI\g>@NP\<N$i1acF!H NGYhH�M$?TK �8>Za]FEacF/H

Page 20: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

���

oPHh\ga]>@Y�M:l¿HhV/V!A V/>$4kC/mg>Zo >ZaqA2mgHhasa]N b`HÐH�- C/M$la]N�a]F/H o$HI\ga]>@YIM$l(HIV/V!A o >@mgYINPmg>ZaqA &t>£^ H:^ZK�acF!H �1\cM$?!V!aclw9C!O bkHh\�>@m�mgHha'acN � '�^ �¿N m]>ZO C/l@M:acH acF/HSN YIH�M:? \gHIm]f`NP?/mgH acN MÉO�Nxo >@?/JÉm&acNP\gOXK �+HQO�N V/>Zi�AacF!H V/HhitM:C/lZa9O�>�uG>@?/JQm]Y[F/HhO�HÐb�M$m]HhV NP?Ea]F/H m]C!JPJPHIm&ac>ZNP? N$i �1\g>@YIHÐHha�M:lU^ & ��� � ��' ^"�*>@\gmga9N$i�M$lZlUKacF!H D �¼acF/>ZY)% ?!HIm]m9>@m8V/>@M$JP?/NPmgHIV2i�\]NPO5acF/H'oPHh\gac>ZY�M$l�a]HIOQfkHh\cM:a]C/\]H'V/>Zmgac\g>@b/CGac>@N$? N:i*acF!H��-M:acHh\YIN$l@C/OQ?Ç^Q|-HIJ$>@?/?/>Z?/JÉi�\]NPO�acF/HSacN$f #!�ql@H oPHhlUK�acF/HSmgY[F/HIOQH mgH�M$\gY[F/HIm i�NP\�acF/H���\gmga l@Hho$HIl � M:a�8F/>ZY[FEacF/H acHhO�f`HI\]M:acC/\gHÐH�u!YhHIHhV/m�acF�Mda�M:a<acF!HÐl@H oPHhl¿b`HIlZN���bBAXM f/\gHImgYI\]>ZbkHhVEo:M$l@C!H�& ��� ~ % z >@?acF!>@msm&acC/VGA '�^ �´F/H m]Y[F!HIOQH acF/Hh? m]Hha]m�acF/HÐO�>�u!HhV lyM�A$HI\sV!HIf!a]F a]N�b`H M:asa]F/H b�M:m]H N$i�lZHho$HIl � ^�¶>Za]F/>@?XacF/HQD ��KTM oPHh\gA l@M$\]JPH oPHh\gac>ZY�M$l*O�>�u!>Z?/J YhNGH �QYI>@Hh?Ba'>@m�C/mgHIV m]NÉa]F�M:a�YhC/\]\gHI?Bacm'M$?!VacHhO�f`HI\]M:acC!\]HS>@? acF/H�D � M$\]HSHImgm]Hh?�a]>yM$lZlZA o$HI\&ac>@YIM$l@lpA F/N$O�NPJ$HI?/HhNPC/mI^ � a acF/HSb�M$mgH�N:i-acF!HD �1KTa]F/H HhV/V!A o >@mgYINPmg>ZaqAXYIN H �QYI>ZHI?Ba'>@msV/HIf`HI?/V!HI?Ba NP? M$? NxoPHh\cM$lZl¥W8>@Y[F�M$\gV/m]N$? ?�C/OÐbkHh\�M$mV/H���?/HIV bBA & � � '�^ � mgO M$lZl@Hh\sNxoPHh\cM$lZl1W<>ZY[F�M$\gV/m]NP? ?�C/OÐbkHh\�YINP\g\]HImgfkN$?/V/m�acNÉl@M$\]JPHh\soPHh\ga]>@Y�M:lOQ>puG>@?/J�M:a9acF/H b�M$m]HÐN$i1acF/H D � M$?/V F!HI?/YhH O�NP\gH YhNPl@V �{M:a]HI\9>@msHh?Bac\cM:>@?/HhV >@?BacN�acF/H D �1^�´F/H f�M$\]M$O�H acHh\]> #IM:ac>ZNP?�>Zm

� ����� ���� �� � � � � ���� � ��� � � � � � �

& � }�'

�8F/Hh\]H � >@m�acF/H9oPHI\&ac>ZY�M$lkHIV/V!AQo >@mgYINPmg>ZaqA�YIN H �QYI>ZHI?Ba8M:a{a]F/Hsb/M$m]H�N$i�a]F/H�OQ>puGHIV lyM�APHh\IK � �9>Zm-acF!HNxoPHh\cM$lZl(W<>ZY[F�M$\]V!m]NP?2?�C/O b`HI\<M$?/V ��� � � � �sYhO � m ��� ^

|-Hhl@N��acF!H D �1K�acF!H oPHh\ga]>@Y�M:lOQ>puG>Z?/JS>@m8f�M$\]M$O�H acHh\]> #hHIVEM$msMSi�C/?/Y ac>@N$?XN$i*acF/H JP\cM:V/>@Hh?�aW8>@Y[F�M$\gV/m]N$? ? C!O bkHh\ ��� &�a]F/H�\cMdac>@NXN$i<l@N Y�M$l�b/C!NvAPM$?/Y A acN o$HI\ga]>@YIM$l-mgF/H�M$\ i�N$\]YI>Z?/J/K¥>£^ H:^ZK��� ��� � � & & � � ' � � & �� � ' � ' '{M$m8m]C/JPJ$HImga]HIVXb�A �(M$\gJPH�Hha9M$l£^(& ����� ~ ' ^ �´F/H f/M$\cM$OQHha]HI\g> #�Mdac>@N$?>@? �(M$\gJPH�Hha9M$l£^ & ����� ~ '->@m+�8\g>ZagacHI? M$m

� ��� � �������� ������� ��� � � � � & ��� � � � ' ����� � � ��� � � �� ��� � � �

& � ~�'

�8F/Hh\]H � >@m<acF/H oPHI\&ac>ZY�M$l¿HIV/V!AXo >@m]YhNPm]>paqAEYhNGH �QYI>@Hh?Ba�K � � � ������� ��� ���<M$?/V � � � ��� G^ �´F/>Zmm]Y[F!HIOQHs\]Hhm]C/lpacm+>@?�M \]M$f/>@V�>@?/Yh\]HIM$m]H<N$iTa]F/H9o$HI\&ac>@YIM$l�O�>�uG>@?/J'YIN H �QYh>@HI?Ba{M$m ���´V/HIYh\]HIM$m]Hhm{bkHhl@N�acF!H'a]F/\]Hhm]F/N$l@V2o$M:l@C/H�N$i � � ^

�NQ>ZV/HI?Ba]>Zi�AQacF/H'\]HhlyM:a]>Zo$H�>@OQfkN$\ga[M:?/YIH9N$i¿o$HI\&ac>@YIM$lÇOQ>puG>@?!J M$?/V2C/f��+HIlZl@>@?!J >@?Él@N�+HI\g>@?/J acF!HD/D�� &�m]HhH _�\]H�Mdacb�M:a]Y[FÇK ��� � � '�K �-H \]C/?Ea]F/H O�N V/HIl*�8>pacF/NPCGasM:V!oPHhYhac>ZNP? M$?!VEYIN$O�f�M:\]H >Za �8>Za]F

Page 21: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

�G�

acF/M:a+�8>Za]F2M$V!o$HIYha]>@NP?2>Z?ÉM$?2>@V/HIM$l@>$#IHhV OQNGV/HhlTmgHhacC!fÇ^ 5°a8>@m+i�N$C/?/VÉacF�Mda{oPHh\gac>ZY�M$lkO�>�uG>@?/J f!lyM�A m´MV/NPOQ>@?/M:acH \]NPlZH >Z?EacF!H D/D�� Y[F�M$?!JPH >@?!YIl@C!V/>@?/JSacF!H \]>ZJPFBa��{M$\gV b/>@M$m�&��*>@J/^ � }�'�^ 5°a�mgF/NPC/lZV b`H?/N$a]HIVEa]F�M:a9>Zi¥a]F/H o$HI\&ac>@YIM$l(O�>�uG>@?/JQ>@m<f�M$\]M$O�H acHh\]> #hHIVX>@?Xa]HI\gO�m<N$i ��� K`m]>Z?/YIH acF/H��8>@?/V m&ac\gHIm]mi�NP\gYI>@?!J�C/mgHIV F!HI\]H >@m8mgA OQO�H ac\g>@Y M$bkN$C!a8acF/H mgacN$\]O ac\]M$Y)%�K`a]F/HÐYhNP\]\gHImgfkNP?!V/>@?/J�D/D��7\gHIm]f`NP?/mgH>@?2acF!H YIM$m]H��8>Za]F/NPC!a<M$VGoPHIY ac>ZNP?E>Zm9M:l@m]NSm&AGOQOQHhac\g>@Y M$b`NPC!a8acF!H m&acNP\gO ac\]M$Y)%�^+�´F/H'itM$Yha8acF!>@m8>@m?/N$a<acF!HÐY�M:m]HÐ>Z? �¿>@J/^ � }QV/HhO�N$?/mga]\cM:a]HIm9a]F/H >@OQfkNP\&a[M$?!YIH'N$i1C/mg>@?/JQacF/H'oPHhl@N YI>paqA2m]Y�M:l@H � � acNf�M$\]M$OQHhacHh\]>$#IH�acF!H'o$HI\&ac>@YIM$l�OQ>puG>@?/JÐC/m]HhVE>@?Éa]F/H'O�N V/HIl£K/M$m8>Z? ��\g>@YhH & ��� �!� ' ^

Page 22: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

���

� �(������%����(�

|{M$\g?/>@Hh\IKk|s^pKÇDG>ZHhi�\g>@V!aIK �1^pK � XM$\]Y[F/Hhm]>ZHIl@lZN/K �¿^ & ��� � � ' ^ �´F/Hh\]O�M$l(i�NP\]Yh>@?/JSi�NP\9M JPl@N$b�M$l�N YIH�M:?Yh>@\gYIC/l@M:ac>ZNP?2O�N V/HIl(C/mg>@?/J MQa]F/\]HhH��°A$H�M$\sYIl@>ZO MdacNPlZNPJ$ASi�NP\ &+z � � M$?�M$lpAGmgHImh^�������������� ��������������������! "�$#&%PK�} �P}�� } ��� ^

z-F�M$?!J/KÇD`^ ��^pK � � ?BacF/HhmIKTW ^ � ^�& ��� � '�^�w9C/OQHI\g>@YIM$l�m]>ZO C/lyMdac>@N$?/m´N$i¥a]F/H N YIHIM$?� ms?/N$?/l@>Z?/H�M$\b/M$\]N YIlZ>@?/>ZY�\]Hhm]f`NP?/m]H acNSac\]M$?/m]l@M:ac>Z?/J F�C/\]\g>@YIM$?/HImh^����'�(�����)�* �+-,(����/.$��10�.2�3�����4��5267,(��#8 K/~ � � �°~ ��� ^

z-mcM:?�M$V!A$KT_ ^ ��^ & ��� ��� '�^:9)���$.*�(�;��<�=�*�>�?�@�/,A�B9C����D�E��C0F.D�$��Ç^�w<H��HG�N$\ %�K � � f/fÇ^

e�>@H ac\g>@Y[FÇK�e ^ &´^�& ��� � �' ^ � f/f/l@>ZY�M:a]>@NP?2N$i1M�OQNGV/> ��HIV � \cM�%dM �{MJI M ��JP\g>@V NGYhH�M$?XO�N V/Hhl�F�M�oG>Z?/J\gHIV/C!YIHIV ?�C/O�Hh\]>ZY�M$l1V/>Zm]f`HI\gm]>@N$? a]N a]F/H�_�C/lpi+N:i XH�u!>ZYINXYI>@\gYIC/l@M:ac>ZNP?Ç^7KL�M�N� "�=.5�B�* O �/ P���E67,A�!�3�!�Q���RS0F.2�3��M�$# �7T K ���G� � �G� G^

��\cM:acM$?BacNP?!>UK�e ^ �-^ & �����!� '�^�w9NP\&acF � aclyM:?�a]>@Y'm]C!\gitM$YhH Yh>@\]YhC/lyMdac>@N$? V!C/\]>Z?/JQa]F/H ��� ��� � m<NPb/m]Hh\go$HIV�8>pacFSmcMdacHIlZl@>pacH��Uac\]M$Y)%$HhVQV!\]>Zi�a]HI\gmI^��������������* �U��D�$67,(�M�V�/.$���WX�!�3�3��3.Y,A#[Z(\�%PK ����� � �� ����� � }!^

_�HI>@mgl@Hh\IK�=!^ &8^ & ��� � ' ^ ��>@?/HIM$\sacF!HINP\&A N$i�acF!H \]HImgfkN$?/m]H N$i+M a��+N��ql@M�APHI\�N YIHIM$? acN2M�OQNxoG>Z?/JF�C/\g\]>ZY�M$?/H:^�UQ�2�367,(����=.3��:])�^�(�/R"KL����� "�=.5�3#_Z$K � ~ � � � � ^

_�HIm]F!HIl@>Z?ÇK7G ^pK¿DGF/Hh?/J/K*=!^ZK � _�\]HIM:acb/M:acY[FÇKW'^(=!^ & � � � � '�^ XNP?Ba]F/lZA OQH�M:? Yhl@>ZO M:a]NPl@N$JP>@Hhm<N:ia]HIOQfkHh\cM:a]C/\]H M$?/VEmcM$lZ>@?/>paqAÉ>@?2acF/H��-Hhmga]HI\]? w<NP\ga]F � acl@M$?Bac>ZY$K&9-���'R��`��aKb��EcWX�d6-�*�D�

�� )ef�AR��3��4��!D67,(�a���Rg0F.D�$��a��.5�=�5�A.2�5�3#)Z�h�i�K�� � f/fÇ^

_�>@l@l£K � ^�&´^ & ����� ~ ' ^�j�?2acF!H b`HIF/Mxo >ZNPC/\´N$i*>@?BacHh\]?�M$l �{M�oPHhms>Z?2a]F/H"�{M�%$H N$i*m&acNP\gO�mh^[�����(�V����)�* +-,(����=.3��C0F.D�$��A��4��5D67,(�(#�Z*j�K �P����� � �P���G� ^

_�NP\]V/N$?ÇKTW'^ ��^pK ��r<C!acF/?/M$?/YIH:K=!^ ^ & � � � �'�^TD�acNP\gO �°V/\]>poPHI?XYINP?Ba]>@?/Hh?�acM$l*mgF/HIlpi �{M�o$HIm'NxoPHI\a]F/H DGYIN:a]ac>Zm]F2YIN$?�a]>@?/Hh?Ba[M$l�mgF/HIlpi ^�9C�*���<�����5���E�����,A�5�? )WQ�5�$�3��$.Y,A#lk�K ��!��� � �� ~ � ^

_�\]H�Mdacb�M:a]Y[FÇK�W ^¥=!^ & ��� � }�'�^¥j�? a]F/HÉ\]Hhm]f`NP?/m]HÉN:i<a]F/HÉN YIH�M:? acN MEOQNxoG>Z?/J m&acNP\gOX© �´F/H?!NP?/l@>Z?/H�M:\{V!A ?�M$OQ>@YhmI^7�����������)�� )+-,(����/.$��l0F.D�3��A��4��!D67,(��#&Z�iBK�} � ��q} � G^

Page 23: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

� }

_�\]H�Mdacb�M:a]Y[FÇK¥W'^=!^ & ����� � ' ^j�? acF/HQ\]N$l@HSf/lyM�A$HIV bBA C/f��+HIl@lZ>@?/J N$i �{M:a]HI\ >@? l@N�+HI\]>Z?/J m]H�MmgC/\gitM:YIH�a]HIOQfkHh\cM:a]C/\]HhmÐV/C!\]>@?!J a]F/H f�M:m]mcM:JPH�N$i8M mga]NP\]O ^-�����(��N��f�* bU��D�367,(����=.3��WQ�5�$�3��$.Y,A# � \PK �$� �G� � �P� ��� ^

_�\]H�Mdacb�M:a]Y[FÇK�W'^�=!^pK���M$?/?/>Z?/J/K � ^��+^ZK/_'NPC!l@V/>Z?/J/K � ^/e ^pK�� ��Hho >Za]C/mIK�D`^*& � � �!� '�^ � V/>@M$JP?/N$m]>@m+N$i>Z?BacHI\gfkHh?Ba[M$V�M:l¿Yh>@\]YhC/lyMdac>@N$? Y[F/M$?/JPHhm�>@? acF/HÐw9NP\&acF � a]lyM$?Bac>ZY$^_�����(�V������* LU��D�36A,����V�/.3��WQ�5�$�3��$.Y,A# � %PK ������� � � ������� }!^

_�\]H�Mdacb�M:a]Y[FÇK¿W ^=!^pK¥D F/HI?/J!K¥=!^pK &1V/Hh?ÇK1zs^pK �¿M$?/J!K �1^pK¥RTF/M$>UK�L ^pK � RTF�M$N/K¿=!^ & ����� ~ '�^ �´F/HmgHIOQ> �°f/\]NPJ$?/NPmga]>@Y9O�H acF/N VÇ^:9C�*���/���A�!�A�^��&� ,A�!�� &WX�!�3�3��3.Y,ÇK�&t>Z?2f/\]Hhm]m)'�^

�(M$\]J$H$K ��^Ç_S^pK XY �¶>@lZl@>yM:O�mhKT=!^Çzs^ZK �5e�NP?!HhAPK�Dk^�zs^ & ��� � ~�' ^Tj�YhH�M$?!>@YÐo$HI\ga]>@YIM$l*OQ>puG>@?!J/© �\gHho >@H���M:?/V2M O�N V/Hhl �8>Za]F2M ?/NP?/lZNGYIM$l`bkNPC!?/V�M$\&A�lyM�A$HI\´f�M$\]M$OQHhacHh\]>$#�M:a]>@NP?Ç^�WQ�����/���-���* U��D�$67,(�M�V�/.!�3#:i��GK�}��P} �q~ � }!^

��Hho >@?!m]NP?ÇKTe ^Tr ^ZK � � M$f!l@H$K � ^ ^ & ����� ~�' ^kD a[MdacH N$i*acF/H Yhl@>ZO M:a]H'>@? ����� }!K��Q�(���=�*�/���S�* �<,A�

O P�!��=.3��J�g�����2�*�3�*�=��4��=.3��[��� .!�/��� ��# 8 hBK!V/NP>U© � � ^ �$� � �$| � D � � � � � � ��Hho >Z?/m]NP?TKGm � � � ^

��>@?/V!HI?ÇK �^ �-^ & ��� � ' ^ �´F/H V/HhHIf`HI?/>Z?/J2N$i+M�O�>�u!HhV lyM�A$HI\�>@? M�mgac\]M:ac> ��HIV l@MxA$HI\h^&�����(�V���� �* ]&�E�(�=R"�g�D.Y,N��M�/.!�3#1k�Z$K�} � � �q~ � �!^

��NGV!HI\IK�=!^ZK �Hhac\g>@H:K(|s^ZK � _'M�-M$\ % >ZH��8>ZY.#$K�_S^ & ��� ��� ' ^ �´F/H YINBM:mga[M:l¥NGYhH�M$? N�4 ?/NP\&acF/HIM$mga]HI\g??!NP\ga]F � O�Hh\]>ZY�M!©�M lyM:\]JPH!�qm]YIM$l@H9oG>ZH��'^�,A�Q���$GK �P� K � � � � � }P}!^

EM$\gY[F/HImg>@Hhl@l@N!K �^ZK XY �¶>Zl@l@>@M$OQmIK�=!^�zs^pK �)D F/Y[F/HIf`Hha %�>@?ÇK � ^(& �����!� ' ^1j�f`HI? b`NPC/?/V�M:\gAYhNP?/V/>pac>ZNP?/m1i�NP\-lZNP?/J��UacHh\]O#>Z?�a]HIJP\]M:ac>ZNP?QN$i�\]HhJP>@N$?�M$l�NGYhH�M$?!>@Y<O�N V/HIlZmI^A0F.D�$��P�g��RM�5�?���?��4�#

iBK � � ��� ^

EM$\&ac>Z?/m]Hh?ÇK &8^ � ^pK-_ �gHho >$%`K�|9^ZK�� W8N HIVÇK �1^ �^ & ��� � ' ^ � ?�C/OQHI\]>ZY�M$l+O�N V/Hhl�i�NP\Ðl@NP?/Jb/M$\]N$a]\]NPf!>@Y �-M�oPHIm9M$?/V mga]NP\]O5m]C/\gJPHIm<M$lZNP?/J a]F/H"�-HhmgacHh\]?XYINBM$m&a8N$i*w9NP\/�{M�AP^[���'�(�����&�* +-,(����=.3��C0F.D�$��A��4��5D67,(�(# � K �P��� ��� �P� } � ^

w9>Z>@lZHI\IK�¿^ �¿^pK � A mcM�%`K �1^ � ^ & ��� � '�^Ç|{M:\]N$a]\]NPf/>ZY �{M�o$HIm M:l@NP?/J2M:? HIM$mga]HI\]? YINP?Ba]>@?/Hh?�acM$lmgF/HIlpi ^:U��D�367,(����=.3��:]&�E�(�=R"KL�M�N� "�=.5�$#��GK � :} � ����� ^

j�\]l@M$?/m %�>£K 5[^ & ��� ���' ^ � mg>@OQf/l@HQbkN$C/?/V�M$\&A YINP?/V!>Zac>ZNP? i�N$\ÐC/?�b`NPC/?/V/HhV FBAGf`HI\gbkN$l@>@Y 1�N�8mI^���'�(�����&�* 19C�* 6)�M�E��/�/�*�N��[+-,(����/.!�3#���Z$K ���G� � � � � ^

Page 24: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

� ~

�1\]>ZYIH$K9=!^$�-^ & ��� �G� ' ^+n9f/f`HI\ NGYhH�M$?¹\gHImgfkNP?!m]H acN M¼F�C/\]\g>@Y�M:?/H$^L�����(��N�� �* b+-,(����=.3��0F.2�3��A��4��5D6A,��(#&Z�Z$K ��� } � � � ^

�1\]>ZYIH$KT=!^ �-^ZK XN NP\]HhmIKTzs^Tw ^�� ^pK ����M:? ��HIHh\IK�=!^Tzs^ & ��� � ' ^`j�b/mgHI\go:M:a]>@NP?!m�M$?/VXm]>ZO C/lyMdac>@N$?N:i�mgacN$\]O��q>@?!V/C/YIHhV O�>�uGHIV��°lyM�APHh\sV/HhHIf`HI?/>Z?/J/^&���'�(�����C�* C+-,(�M�V�/.$�� 0F.D�$��A��4��!D67,(��# 8 K����� � ��� � ^

�1\]>ZYIH$K*=!^ �-^pK � HIlZl@Hh\IKW ^ � ^ZK � �1>@? %:HIl£K*W'^ & ����� ��' ^(e�>ZC/\]?/M$l¥YhA Yhl@>@?!J/© j�b!m]HI\&o:M:ac>ZNP?/m M$?/VOQN V/HIlZm�N:i�acF/H9C/f/f`HI\-N YIHIM$?�\gHIm]f`NP?/mgH�acN V/>@C/\g?�M$l�F/HIM:ac>Z?/J/K YIN NPl@>Z?/J/K�M$?/V �8>@?/V�OQ>puG>Z?/J/^���'�(�����&�* 1UQ�2�367,(����/.$���WX�!�3�$��3.Y,A# � Z:K � ~ �P� � � ~ � G^

DGF/Hh?/J/K�=!^pK � �¿M$?/J/K �1^ & ����� }�'�^ � ?�C/O�Hh\]>ZY�M$l`mga]C/V!A�N:i(YI>@\gYIC/l@M:ac>ZNP?Q>@? a]F/H �+HImga]HI\g?Ez{M:\]>@b!bkHIM$?D H�M!^[���M+-,(�����&0F.D�3��A��4���� #[i(i�K ��� ~ � � ��� � � ^

DGF/Hh?/J/K=!^pK � �¿M$?/J!K ��^ & ����� ~ ' ^ � a��+N����-M�A ?/HIm&acHhV��qJP\g>@V N YIH�M:?��qYh>@\]YhC/lyMdac>@N$?XOQNGV!HIl¿i�N$\sacF/H HIm]N � � OQHI\g>@YIM$? |{M$\]\g>@Hh\´W<HhHhi1D A mgacHhOX^&0F.D�$�� KL�M�N� "�=.5�$#[h(j�K � } � � � ~ � ^

DGF/Hh?/J/K�=!^pK � � M$?!J/K �1^+& ����� ~ '�^*w<C/OQHI\]>ZY�M$l�m&acC/V!A¼N$i´ac>ZV�M$l�YI>Z\]YIC!lyM:a]>@NP? M$?/V ?/N$?/l@>Z?/H�M$\VGAG?/M$O�>ZYIm<>@? �(C!?/HI?�b/C/\gJ2|{M�APKkw9Nxo:MÉDGYhN$ac>@M!^_�����(��N�� �� UQ�2�367,(����=.3��&WX�!�3�$��3.Y,ÇK &t>@?f!\]HImgm)'�^

DGF/Hh?/J/K=!^pK(_�\]H�Mdacb�M:a]Y[FÇK(W'^�=!^pK � � \]>ZJPFBa�KÇe ^Ç_S^ & �����!� ' ^ 5qOQf/\]Nxo >@?/J�acF/H C!a]>@lZ>ZaqA2N$i�N YIH�M:?Yh>@\gYIC/l@M:ac>ZNP? OQNGV/Hhl@msa]F/\]N$C/JPF M$V �gC/m&acOQHI?Ba N$i+a]F/HSO�N$O�Hh?�a]C/O b/M$lyM$?!YIH$^����'�(�����l�* U��D�$67,(�M�V�/.$��:WX�!�3�$��3.Y,A#)Z(\(%PK � � �P� � � � ��� ^

DGF/Hh?/J/K¥=!^ZK¥_'\gH�M:a]b�M:acY[FTK¥W'^*=!^pK1RTF/M$>UK�L ^pK � �¿M$?/J!K �1^ & ����� ~ ' ^ � ?/H�� a��+N�� �{M�A ?/HIm&ac>Z?/Ja]HIY[F/?!> -�C/H b�M$m]HhV NP?2acF/H m]OQN N$acF/HhVXmgHIOQ> �°f/\]NPJ$?/NPmga]>@Y�OQHha]F/NGVT^�0�.2�3��aKL����� c�/.5�hK,&t>Z?f!\]HIf ' ^

DGF/Hh?/J/KT=!^ZK � \]>ZJPFBa�K`e ^`_ ^ZK`_�\]HIM:acb�MdacY[F W'^`=!^pK � e�>ZHha]\]>@Y[FTK�e ^ &´^ & ��� � � ' ^`z � w9e 5'&´© � ?/H��o$HI\gm]>@N$? N:i�a]F/HSe�>@H�z � D�� N YIH�M:? YI>@\gYIC/l@M:ac>ZNP? OQNGV!HIlU^:�����(�V���� �* O �/ P���E67,A�!��=. ��AR0F.2�3��A��4��5D6A,M�/. ��D.Y,M���*�/��4���#&Z�hBK � ~ � ~�� � ~B} � ^

DGl � \]V�M:lUK �1^�r ^pK EM$\&ac>@?!m]HI?TK &´^ � ^ZK ��|-lZC/O b`HI\gJ/K � ^��+^ & ��� � ~ ' ^ NGV/Hhl@lZ>@?/Jsa]F/H8\]Hhm]f`NP?/m]H9N$iTM$?>ZV/H�M:l@> #hHIVÉYhNBM$mgacM$l�N YIH�M:? a]N�M ac\]M�oPHIlZ>@?/J m&acNP\gO M$?/VÉacN 1�N��Nxo$HI\<bkN$agacNPO acNPf`NPJP\]M$f/FBAP^���'�(�����&�* &+ ,(����=.3��l0F.D�$��A��4��5D67,(�(# �'j�K � � ��� � � � � ^

Page 25: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

� �

DGO�M$JPNP\g>@?/m %BAPK`=!^�& ��� �P}�' ^�_'Hh?/HI\]M$l(YI>@\gYIC/l@M:ac>ZNP?ÉH uGf`HI\g>@OQHI?Bacm �8>Za]F a]F/H f!\]>@OQ>Za]>Zo$H�H.-�C�M:a]>@NP?T^ 5[^�´F!H b/M$m]>ZY H�uGfkHh\]>@OQHI?BaI^��g�*���<,�� ��� �3��/,A�5�LWQ�����/���1# ��Z$K � � � � � � ^

�¿M$?/J/Kszs^ �1^ZKs_'C!>UK�� ^ZK � e�H ac\cM:YIHhA$K�|s^ ^ & � � � � '�^{|{M$\gN$ac\gNPf/>ZYE\]Hhm]f`NP?/mgH N$i'a]F/H�(M$b!\cM$V/N$\ �$w<H��´i�NPC/?!V/lyM$?!V mgF/HIlpi a]NÀM OQNxoG>Z?/J mga]NP\]O ^������(�V���� �� +-,(����/.$��0F.2�3��A��4��5D6A,��(# � 8 K �$����� � �P� � ^

�´F/NPOQf/mgNP?ÇKkDk^ ^pK � �¿C/\g?/HI\hKÇ=!^kDk^ & ��� � ' ^ X>�u!>Z?/JQM$YI\gNPm]m9M$?X>@?BacHh\gitM$YhH V!C/H a]NQa]C/\]b/C!l@HI?!YIHJ$HI?/Hh\cM:a]HIV b�A M:? N$m]YI>Zl@l@M:ac>Z?/JÐJP\g>@VÇ^A�����(��N��&�* )])�E�(�=R"�g�2.Y,���M�=.5�3#&%MkIK�}$~ � �q} � G^

�´F�C/b/C/\g?ÇK´=!^ & ��� � ��' ^ C/lZa]>@V/>ZO�Hh?/m]>ZNP?�M$l 1�CGu �°l@>@OQ>Za]HIV¼M$V!oPHhYha]>@NP? m]Y[F/HhO�HhmI^ �����(�V����F�� 9C�� 6����E��/�/�*����[+-,(�M�V�/.!�3#)Z �'i�K�:~�� � }!^

RTHI\&o:M�%�>@mIK �Ð^ZK�� �(H o >@?/H:K ^¥e ^ & � � � � '�^¥w9HIM$\/�°>@?/Hh\ga]>yM$l�HI?/Hh\]J$A¼f/\]N$f�M$JBM:a]>@NP? i�\]NPO acF/HOQ>puGHhV��ql@MxA$HI\h© �´F/HhNP\]H ac>ZY�M$l¿YINP?/mg>@V/Hh\cM:a]>@NP?T^&�����(�V���� �* C+ ,(����=.3�� 0�.2�3�����4��5267,(��# ��hBK��� � � ��� � � ^

RTF�M$>£KZKÇLÐ^ & ����� ~ '�^:�7��'R(������4 ���d�*� ��<�?�AR���.2�DRg.5�?�3.*���`��/�/�*�@��� �/,A�B��.D���/�`��@� ,��5�� 1��ARa��=�36��

������ 4P � �-��� ��3���A�5�D���DR��/4��V�/RP � R��5� � ^ D Y$^ka]F/HImg>@mhKÇe�HIf/M$\ga]O�Hh?�a9N$i�j�YhH�M$?/N$JP\cM$f!F�A$Ke�M:l@F/NPC!m]>@H�n9?/>poPHI\gm]>paqAPK � � f/fÇ^

RTF�M$>£KTL ^pK¿DGF/Hh?/J/K*=!^ZK � _�\]HIM:acb/M:acY[FÇKW'^(=!^ & ����� ~BM�'�^ � ?/H�� a��+N����-M�A ?/HIm&acHIV6�qJP\g>@V NGYhH�M$?OQN V/HIlZ>@?/JÐa]HIY[F/?!> -�C/H M$f/f/lZ>@HIVÉa]NSa]F/H DGYIN:ac>yM:?ED F/HIlpi1M$?/V m]lZNPf`H$^ 5q? +-�3��.D�D�2R'��� 4��b�� 1�/,A�

8 �<,�d�����5�V����/�/�*���� 9C�*�M ^�!�3�5��.D� ����-�D�����V���A�Q���Rg9C������E��:�g��RM�5�?����4�K*&t>@?Éf!\]HImgm)'�^

RTF�M$>£KGLÐ^ZK`_�\]HIM:acb�MdacY[FÇK`W'^�=!^ZK �#DGF/HI?!J/K`=!^ & ����� ~Pb '�^ � V!o$HIY ac>Zo$H mgf/\]HIM$V/>Z?/J�N:i*m&acNP\gO �°>@?/V/C!YIHIV>Z?/HI\&ac>@M$l*NPmgYI>Zl@lyMdac>@N$?/m�>@? M2O�N V/Hhl1N$i-a]F/H�?!NP\ga]F �+HIm&a � a]lyM$?Bac>ZYQj�YIH�M:?Ç^lUQ�2�367,(����/.$��WQ�5�$�3��$.Y, �)�*�V���!�3#_i�Z$K �� ^ ������ � ����� ~�_ � ��������� ~/^

W8HIYIHh>Zo$HIV � \]Hho >Zm]HIV �EM$YIYhHIf!a]HIV ^

Page 26: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

� �

������������ ������� ������������! #"$���%�����'&)(+*,"-�'&.�/���10)�324(6587�9: <;=(?>@�� ����'&)�'2� A"$�%���B�/�'&C(�DE(�&� F(G�H DI��",�� F(%J%9K���LDM;�%�NJO�P�6��'�� �9����# <;$(#Q�(G F(/�'����2��6�������'2R�)(��%ST�B��(U���LDI��&V��5��%W��

Page 27: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

������� � ��P;$(L��;,�'&,��( �3& JG(/� J%",�<�G����(L F(�� 0=(G���� �",�6( H �-����W � J/JG� �G�B�� F(/5��I�� <;: A"$�%���B�/��&)( *,"-�'&(%J� ��3�?�� F(/5 �%����� JG�� F(�2<2 �< F( ��(G� �� F(+JG(G&=J��<&�� ����� 5��� �� ��& �)( 0C F(�� 7/(G� ��� �'&V5� �T ��7/(G�K�� � �����H DI��",�� F(%J%9K���LDM;�%�NJO�P�6��'�� �9����# <;$(#Q�(G F(/�'����2��6�������'2R�)(��%ST�B��(U���LDI��&V��5��%W��

Page 28: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

���

70°W 60°W 50°W 40°W 30°W

40°N

50°N

60°N

(a) Outer Model

LS

NB

GB

GOMCC

AC

66°W 64°W 62°W 60°W 58°W

42°N

44°N

46°N

(b) Inner Model

400350300250 200150

150

150

100

100100

100

100

50

50

40003000

2000

1000

Laurentian Channel

Gulf of St. Lawrence Cabot Strait

Sable Island BankEmerald Basin

Banquerau

LaHaveBank

Northeast Channel

������� � �� �� <;9'�?( ����B� � (6�� �"$�6(%J �I�< <;�<& H �%W <;$( �'"= F(�� �?� 5(�2P5�'�?�'�3& ���A <;$(O> �'�% <; � (%J% �� �2 �'&� ��B�� ��(/�'& �'&V5 H 7 W <;=(U�3&�&)(�� � �T5(�2I5��'�?�'�<&����U <;$(U�V���� �����&��=;$(�2 �U��&V5+J�2 ��0=(T���#7T7G��(GST�B�� �����&=JU�'�6(U",JG(/5�G�'�? <;$(�� �7G���5��'� �C(6� H � ��W >U(��=�G�'"$&V5$2 �'&V5��O� J��<& H >�EW � ���'&V5��O�'&-�TJ H �EW � "$2 � ��� Q �'�<&)(H ��QKW DI��0-( DI� 5 H D DVWL��&V5�� �2���&� ���� DR�� �9 H � DVW'�

Page 29: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

���

05

1015

2025

Temp

eratur

e at 5

m

Day 5

85(15

Aug

ust)

50 cm

/s

������� � H �%W+�-�<�U"$2 �� F(65 JG(/�+J�"$�<�����%( F(G�10-(����� �"$��( H ������WK�'&85��'9 ����� H �B�<(T� �O"���",J% � � ���U <;$(JG(/�/�'&)5��?� 5(G2E9(6�'� WU0V��� 5'"-��(/5 7�9� <;$(+�'"= F(��!�?� 5(G2 A�'&V5 H 7�WLJG�� F(�2<2 �� F(?��(G� �� F( JG(�&-J��<&�������� 5��� ���/���10=� J��� F(?�'S�(��U <;$( &V�'�� <;�� (%J� � �2 �'&� ��B� � ��(6��&�5�",�%�<&�� <;$(��E��J% ;,��2 �!��� �O"���",J� ������� H DI�'"$�� F(%J%9K��� <;$(��1�B�'2��/���B�/�'2 � ��(6��&V�6������0�;�9�#�<ST�3J��B�'& ���@ <;=(��O(/5��G�'��5��&-J% ��� �"$ F(!��� � ��(/�'&V�6������0V;9%W'�

Page 30: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

} �

64° W

60° W

56° W

40° N

44° N

50 c

m/s

(a)

Out

er

50 c

m/s

510

1520

25

(b)

Inne

r

������� � �O&-&-"-�'2 �?(/�'& &)(/�'� � J%",�<�G����( H � � � W��G"$�%��(G&� <J H J��'2 ��5 �'����� � J W ��&V5� F(�� 0=(G���� �",�6(0V��� 5'"-��(/587G9 H �%W <;$(��'"= F(�� �'&V5 H 7�W �<&-&)(��L�?� 5(�2 J����L <;$(K&)(%J� F(65������B5:J�9 J% F(G�?� �P;=(��7�JG(��%S'(/5�G"$�%��(G&� <J H ��0=(�&.������� � JFW �'�6(+ <;$( �����B5�5(/5 ��3� ( � � (6�'& &C(6�'� � J%"$�3�G����(��G"$���6(�&V <J+5'"$���<&�� <;$(K����� � J�<& �G(G���6(65A�����'� ������G(/� ��'�%�B(�J ���U� � � �

5'���6��"�(65 J��� F(G232 �� F(� ������G��(/5 5'�%� �� F(���J 7G9 � ���� ��'&� ��'&-� H � � � �%W��'&��

� % ���%��5�� DI�'&� ��'"$�@�<&� F(G��S'�'2 J ����( � % DI�

Page 31: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

} �

(a)

07:0

0 A

DT

Sep

t 28

-20

∆T (

° C)

200

cm/s

(b)

16:3

6 A

DT

Sep

t 28

75° W

70° W

65° W

60° W

55° W

40° N

45° N

(c)

02:1

2 A

DT

Sep

t 29

(d)

11:4

8 A

DT

Sep

t 29

������� � @�)(6�+J%"$�3�G����(? F(�� 0=(G���� �"$�6( H �-����W �'&V5�� "$���6(�&� <J H �'�%��� � JFW � J�J�� � ���� F(/5 �I�� <;K #"$���%�����'&)(*,"=��& �� 15'� �O(��6(�&V ��3� (%J10V��� 5'"-��(/5 7G9+ <;$( �'"= F(��U�?� 5(�2 � DI��&� ��'"$�!�3&� F(G��S'�'2 J!�'�6( � � � % DI� �P;$( 7G2�����5�� J�;$(65 2 �3&)( ��( 0V�6(%JG(G&� <J? <;$(UJ� ��'�%� ������G� ��&V5� <;$(!J��'2 �B5 5'�B�'�?�'&V5�J�9'� 76�'2 J�;,� � J <;$(L��(�&V F(�� ���U <;=(J% ������?�

Page 32: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

} �

(a) 07:00 ADT Sept 28

-2 0∆T (°C)

200 cm/s

(b) 16:36 ADT Sept 28

64°W 62°W

40°N

42°N

44°N

46°N

(c) 02:12 ADT Sept 29 (d) 11:48 ADT Sept 29

������� � O�)(/�?J%"$�3�G����(U F(G� 0=(����� �"$��( �'&V5K�G"$�%��(G&� <J � J�J�� � ���� F(/5 �I�� <;+ A"$�%���B�/�'&C(#*,"-�'&L0V��� 5'"-��(/5 7�9 <;$( �<&-&)(G�#�?� 5(�2 � � <;$(G� �I�3JG(!�'J@�3&�������� � �

Page 33: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

}P}

−75 −70 −65 −60 −55 −50

36

38

40

42

44

46

48

50

0 5 10 15 20−20

−10

0

10

20

Days

Vel

ocity

(cm

/s)U

V

0 10 20 30 400

0.5

1

1.5

Period (hour)

point 1

������� � ��M(��� M0$�'&)(G2� 0=�'�% ��� <;$(?�'"= F(G� �?� 5(G2�5��'�?�'�<& H <;$(!J� ��'�%� ������G� ���A #"$���%�����'&)( *�"-�'&�3J#�3&V5������� F(65 7G9L <;$(?5�� J/;=(65K2 �3&C( �'&V5@0$���3&� � �G;,� JG(G& ;$(��6(U�3J#�3&)5'������ F(65:7�9L <;=( �G�<��� 2 (�W'���-0�0-(��@�%� �';� 0$�'&C(�2 A ��3� (AJG(G����(%J@���# <;$(#;,������� �'&V ��'2PS�(�2 � �G�� �9L5'� �O(��6(�&)��(%J �� C0$�'�<&� � � � � � (��#�%����;� C0=�'&)(�2 J�0-(6� ��%"$����@ <;=(@;,�'�%���T�'&� ��'2RS'(G2�� � �< �9K5'� �O(��6(�&V�%(%JU�� 0$���3&� ���

Page 34: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

}$~

−1000 −500 0 500

0.5

1

1.5

2

2.5

3

3.5

4

Distance (km)

Tim

e (d

ay)

U−component (Uh = 9 m/s)

−50

−50

−50

−50

−50

−30

−30

−30

−30

−30

−15

−15

−15−15

−15 −15

−10

−10

−10

−10

−10

−10

−10−7

−7

−7

−7

−7

−7−7

−7

−7−7

−7

−2

−2−2

−2

−2

−2

−2

−2

−2

−2

−2

−2−2

−2

−2

−2

−2

0

00

0

0

0

0

0

0

0

0

0

00

0

0

0

2 2

2

2

2

2

2

22

2

2

22

5

5

5

5 5

5

5

5

5

5

8

8

88

8

8

88

8

8

10

1010

1010

10

10

1010

15

1515

15

1515

1515

20

20

20

20

20

20

30

30

30

30

3030

50

50

50

50

50

100

−1000 −500 0 500Distance (km)

V−component

−100

−50

−50

−50

−50

−30

−30

−30

−30−15 −15

−15

−15

−15

−10

−10

−10

−10

−10

−10

−10

−10

−10

−7

−7

−7

−7−7

−7

−7

−7

−7

−7

−2

−2−2

−2

−2

−2

−2−2

−2−2

−2

−2

−2

−2

00

0

0

0

00

0

0

0

00

0

0

0

0

0

2

2

2 2

2

2

2

2

22

2

2

2

2

2

5 5

5

555

5

5

55

55

5

8

8

8

8

8

8

8

8

88

10

10

10

10

10

10

10

1010

1010

15

15

1515

1515

1515

20

20

20

20

2020

30

30

30

30

30

50

50

50

50

50

100

������� �� �)(�� 0$�����'2E�'&)5?JF0$�� ��B�'2�(�S'�'2 "= ��B�'& ���@ <;$(U;,�'�%���T�'&� ��'2RS'(G2�� � �< �9 �/���10=�'&)(�&V <J �� 0$�'�<&� <J �'& <;$( J�;$(�2 �U&)(6�'�U <;$(?��� � J� �3& <;$(?�'"= F(��@�?� 5�(�2 ���P;$( 5��� � 5��'J/;$(/5 2 �3&)(!��( 0V��(�JG(G&� <J! <;=(10$� J%�< ��B�'& � ;=(��6( <;$(!�%(�&� F(G� ���#*,"-�'& ;��< <J <;=(!�/� � J� ��

Page 35: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

} �

(a) 14:12 Sept 30

-2 0 2∆η (cm)

(b) 16:36 Sept 30

(c) 19:00 Sept 30 (d) 21:24 Sept 30

(e) 23:48 Sept 30 (f) 02:12 Sept 31

(g) 04:36 Sept 31 (h) 07:00 Sept 31

75°W 70°W 65°W 60°W 55°W

40°N

45°N(i) 09:24 Sept 31 (j) 11:48 Sept 31

�������?� � �)(�� 0$�����'2 (�S ��2 "= ��B�'&����! <;$( JG(6�KJ�"$�3�G���%( (�24(�S'�� ��B�'& H �-��� �����WK���'2�� "$2��� F(/5A�%����� JG(6�J�"$�<�����( 0V�6(%J�J�"$��(O0V��� 5'"-��(/5:7�9L <;$( �'"= F(��@� �T5(�2 � �P;$( ����� ��(�J�0$��&=JG( �NJ# <;$(U����� 5'� � (��6(�&V�%(?7/( � (/(�& <;$( � �T5(�2I�6(%J%",2� <J!�3&�(��%0=(G���<� (�&� <J D � �Q� ��� �� Q �'&)5 ��� �� Q �1DI�'&V ��'"$� �3&� F(G��S'�'2 J!�'�6( � �G�?��P;$( 7G2����G�L5�� J�;$(65+2 �3&C( ��( 0V��(�JG(G&� <J <;$(@J� ��'��� ����������

Page 36: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

} �

0.00

2

0.00

2

0.01

0.01 0.01

0.01

0.05

0.05

0.1 0.

1

day 6(a)0.002

0.002

0.00

20.01

0.01

0.01

0.05

0.05

0.1

0.1

day 10(b)

0.002

0.002

0.00

2

0.01

0.010.05

0.05

0.1

0.1

day 14(c)

−75 −70 −65 −60 −55 −5035

38

41

44

47

50

0.002

0.0020.01

0.01

0.01

0.05

day 18(d)

�������K���� �)(�� 0$�����'2 (�S'�'2 "= ��B�'&8���? <;$( &C(6�'� � �<&)(G�% ��B�'2 (�&C(��B��9 �� <;=( J (6� J�"$�3�G���%( �<&� <;$(L�'"= F(���?� 5(G2 H ",&��< �#� � J � � W�� �P;=(!5�� J/;=(65 2 �<&)(U�6( 0V�6(%J (�&� <J! <;$( J% ������ ���������� �P;=( � �<�� � � ��� � � � �� � � � ����/��&� ��'"$�/J!�'��(?5'��� �I&V�

Page 37: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

}

0.002

0.002

0.01

0.050.1

day 6(a)

0.002

0.002

0.01

day 10(b)

0.002

0.002

0.01

day 14(c)

−75 −70 −65 −60 −55 −50

−300

−200

−1000.002

day 18(d)

�������L� � ���(��� ��B�/�'2I ����'&=JG(/� J/;,� �I�<&��: <;$( F(�� 0$�'���'2 (GS �'2 "= ����'& ���! <;$( &C(6�'� � �<&)(G�% ��B�'2 (�&C(��B��9K�3& <;$( �'"= F(��O�?� 5(�2 H "$&-�< �1� � J � � WU�3& <;=(A" 0�0=(G� � � � �?� �P;$( 5�� J�;$(65 2 �<&)( J/;,� � J � ;$(G��(@ <;$(A;"$���%�B�/�'&)(��(G&� F(��@�3&� F(G�/J (6�T <J@ <;$(U �����&=JG(/� �� �P;=(@J��'� (!�/��&� ��'"$�/J!�'��(?5'��� �I& � J@�<& ��� ��A�����

Page 38: Physical Oceanography at Dalhousie University€¦ · 8 ( ` % < ! " # $ "% .-# ,% '& & ' & }!k ~ ' & ~ ' ~bm ' ^ ! +& ' ^ ! ~ % % $# & % ' ^ ! & ' } % % # >@? ^ # ! } } ~ "

} �

−400 −200 0 200 400

−1000

−500

0

500

−3−2

.5−2

.5

−2.5

−2

−2−2

−1.5

−1.5

−1.5

−1.5

−1

−1

−1−1−0

.5

−0.5

−0.5−0.5

0

0

∆SST(a)

−2

−2

−2

−1.5

−1.5

−1.5

−1

−1

−1−1

−0.5

−0.5 −0.5

−0.5

∆SST(b)

�������?� � U�C(6�KJ%"$�3�G����( �/� ��2 �<&�� � J/JG� �G�B�� F(65 �I�� <;: <;$(O0$� J/JG� ��(+��� �K�?�'S �3&�� J% ��'�%� 0V��� 5'"-��(/5�7�9 <;$(!� �%(6�'& � �T5(�2R�3& �'& �B5(6��2 ���T(/5K�?� 5(�2MJG( �" 0 �I�� <;:�%W?S�(��� ������'2P�!� ���<&�� �'&V5K F(G�10-(����� �"$��(L��5'S�(6� ��B�'&�'&V5 7 W+S'(��� ��B�/�'2 �!� ���3&,� �'&-2 9�� ����� 5(G&V�� F(�JU <;$( 0$� J%�< ��B�'& ���U <;=(UJ% ������ �%(�&� F(G�!�� <;$( ��<� (?���! <;$(J�&)��0�J/;$�� �� �P;$(!5�� B F(65K2 �<&)(@��( 0V��(�JG(G&� <JU <;$(@J� ��'�%� ����������