Russian contribution to the South AtlanticRussian contribution to the South Atlantic

-70 -68 -66 -64 -62 -60 -58 -56

Longitude

-65

-64

-63

-62

-61

-60

-59

-58

-57

-56

-55

-54

-53

Latit

ude

20032005

SAF

PFACCSF

Sbdy

-10 -5 0 5 10 15 20

Longitude

-60

-55

-50

-45

-40

-35

-30

Latit

ude

STF

Sbdy

SAF

SAC C F

PF

C A P E

B A S I N

AGULHAS BASIN

3031

4445

6566

6970

200420052006

SR2 THERMOHALINE PROPERTIESSR2 THERMOHALINE PROPERTIES

0 400 800 1200 1600 2000 2400 2800D istance [km ]

-5000-4750-4500-4250-4000-3750-3500-3250-3000-2750-2500-2250-2000-1750-1500-1250-1000

-750-500-250

0

De

pth

[m]

-34 -35-36-37-38-39-40-41-42-43-44-45-46-47-48-49-50 -51-52-53-54Latitude

AAIW

UCDW

NADW

LCDW

А

0 400 800 1200 1600 2000 2400 2800D istance[km ]

-5000-4750-4500-4250-4000-3750-3500-3250-3000-2750-2500-2250-2000-1750-1500-1250-1000

-750-500-250

0

De

pth

[m]

-34 -35-36-37-38-39-40-41-42-43-44-45-46-47-48-49-50 -51-52-53-54

Latitude

AAIW

UCDW

NADWLCDW

B

SR2 Absolute Geostrophic VelocitySR2 Absolute Geostrophic Velocity

500 1000 1500 2000 2500D istance (km )

STF SAF SSAF PF ACCSF

0 200

-5000

-4000

-3000

-2000

-1000

0

Dep

th (

m)

AE1 AE2 AE3 AE4

35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

Latitude

34

LADCP bottom velocity related to bottom disturbances

-54 -52 -50 -48 -46 -44 -42 -40 -38

Latitude

-5000

-4000

-3000

-2000

-1000

Dep

th (

m)

AG

ULH

AS

RID

GE

ME

TE

OR

RID

GE

SH

ON

A R

IDG

E

MID

-AT

LAN

TIC

RID

GE

-52 -48 -44 -40

-0.6

-0.4

-0.2

0

0.2

0.4

0.6 20042006

SR2 Absolute Geostrophic TransportSR2 Absolute Geostrophic Transport

-55 -54 -53 -52 -51 -50 -49 -48 -47 -46 -45 -44 -43 -42 -41 -40 -39 -38 -37 -36 -35 -34La titude

-60

-40

-20

0

20

40

60Abso

lute

Geost

rophic T

ransp

ort (Sv)

37 .3 Sv 142.4 Sv 30.2 Sv 17.4 SvPF SAF

-55 -54 -53 -52 -51 -50 -49 -48 -47 -46 -45 -44 -43 -42 -41 -40 -39 -38 -37 -36 -35 -34La titude

-50

0

50

100

150

200

250

300

Acc

um

ula

ted tra

nsp

ort (Sv) 147.3 Sv

9.6 SvAC CSF

84.7 Sv

15.9 Sv

northern AC C boundary

LCDW Absolute Geostrophic TransportLCDW Absolute Geostrophic Transport

-56 -52 -48 -44 -40 -36 -32Latitude

-20

-10

0

10

20

Bottom G

eostrophic Transp

ort (Sv)

46 .2 Sv

8.2 Sv 5.8 Sv

-56 -52 -48 -44 -40 -36Latitude

-40

-20

0

20

40

60

Integrated Bottom G

eos

trop

hic Transp

ort

ACC Geostrophic transport relative 3000 db in ACC Geostrophic transport relative 3000 db in spring of 2004-2006spring of 2004-2006

36 38 40 42 44 46 48 50 52 54

-10

0

10

20

36 38 40 42 44 46 48 50 52 54

-10

0

10

20

Geo

stro

phic

Tra

nspor

t 3000

/0 d

b (S

v)

36 38 40 42 44 46 48 50 52 54Longitude

-10

0

10

20

2004

2005

2006

ACCSF

PFSAF

STF

ACCSF

ACCSF

PF

PF

SAF

SAF

STF

STF

101 Sv

104 Sv

97 Sv

9.4 Sv

22.9 Sv

29.9 Sv

8.0 Sv

28.1 Sv

41.7 Sv

7.1 Sv

20.5 Sv7.6 SvSSAF42.3 Sv46.1 Sv

SSAF21.1 Sv

SSAF

48.5 Sv

Upper mixed layer temperature-salinity difference between Upper mixed layer temperature-salinity difference between

2006 and 20052006 and 2005

-55 -50 -45 -40 -35Latitude

-2

-1

0

1

2

3

4

5

6T

empe

ratu

re (

o C)

-0 .6

-0.4

-0.2

0

0.2

0.4

Sal

inity

Mixed layer depth in 2005 and 2006Mixed layer depth in 2005 and 2006

-56 -54 -52 -50 -48 -46 -44 -42 -40 -38 -36 -34Latitude

0

40

80

120

160

200D

epth

(m

)

20052006

SR1 Thermohaline propertiesSR1 Thermohaline properties

-61.5 -61 -60.5 -60 -59.5 -59 -58.5 -58 -57.5 -57 -56.5 -56 -55.5

Latitude

-5000

-4500

-4000

-3500

-3000

-2500

-2000

-1500

-1000

-500

0

Dep

th (

m)

0 100 200 300 400 500 600 700 800

D istance (km )

PF SAFACCSF

-61.5 -61 -60.5 -60 -59.5 -59 -58.5 -58 -57.5 -57 -56.5 -56 -55.5

Latitude

-5000

-4500

-4000

-3500

-3000

-2500

-2000

-1500

-1000

-500

0

Dep

th (

m)

0 100 200 300 400 500 600 700 800

D istance (km )

SR1 Absolute Geostrophic VelocitySR1 Absolute Geostrophic Velocity

-61.5 -61 -60.5 -60 -59.5 -59 -58.5 -58 -57.5 -57 -56.5 -56 -55.5

Latitude

-5000

-4500

-4000

-3500

-3000

-2500

-2000

-1500

-1000

-500

0

Dep

th (

m)

SAFPFACCSF

SR1 Absolute Geostrophic TransportSR1 Absolute Geostrophic Transport

-62 -61 -60 -59 -58 -57 -56 -55Latitude

-40

-20

0

20

40Abso

lute

Geos

trophi

c Tra

nsp

ort (Sv)

50 .8 Sv 56.3 Sv 30.2 Sv 17.4 Sv

PF SAF

-62 -61 -60 -59 -58 -57 -56 -55Latitude

0

40

80

120

160

Acc

um

ulate

d tra

nsp

ort (Sv)

139.4 Sv

LCDW Absolute Geostrophic TransportLCDW Absolute Geostrophic Transport

-62 -61 -60 -59 -58 -57 -56 -55Latitude

-40

-20

0

20

40Botto

m G

eostroph

ic Trans

port (S

v)

4 .1 Sv12.1 Sv

-62 -61 -60 -59 -58 -57 -56 -55Latitude

0

40

80

120

160

Integrated Bottom G

eos

trop

hic Transp

ort

SR2 T,S curvesSR2 T,S curves

34.64 34.66 34.68 34.7 34.72 34.74 34.76 34.78 34.8 34.82 34.84 34.86 34.88Salin ity

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

2.2

2.4

2.6

2.8

3P

ote

ntia

l Tem

pera

ture

(o C

)

PFSAF

STF

AC C SF