poster egu 2012
TRANSCRIPT
Fld
Ch
ti
tift
hH
Floo
dC
hara
cter
istic
sof
the
Ha
Floo
dC
hara
cter
istic
sof
the
Ha
Floo
d C
hara
cter
istic
s of
the
Ha
sum
anfs
@y
sum
anfs
@y
sum
an_f
s@y
Abs
trac
tA
bstr
act
Abs
trac
tH
aors
are
larg
esa
ucer
-sha
ped
flood
plai
nde
pres
sion
slo
cate
din
the
Nor
th-E
astr
egio
nof
Ban
glad
esh
Dur
ing
the
dry
seas
onH
aors
are
larg
esa
ucer
shap
edflo
odpl
ain
depr
essi
ons
loca
ted
inth
eN
orth
Eas
treg
ion
ofB
angl
ades
h.D
urin
gth
edr
yse
ason
durin
gth
era
iny
seas
onth
eyar
eus
edas
fishe
ries
The
hydr
ogra
phch
arac
teris
tics
such
asth
eris
ing
curv
egr
adie
nt(K
)flo
odm
durin
gth
era
iny
seas
onth
eyar
eus
edas
fishe
ries.
The
hydr
ogra
phch
arac
teris
tics
such
asth
eris
ing
curv
egr
adie
nt(K
),flo
odm
(TP
)are
asse
ssed
ford
iffer
entr
iver
flood
s.U
sing
thes
ech
arac
teris
tics
anin
tegr
ated
flood
inde
xis
deve
lope
d.Th
eflo
odin
dex
(TP
)are
asse
ssed
ford
iffer
entr
iver
flood
s.U
sing
thes
ech
arac
teris
tics
anin
tegr
ated
flood
inde
xis
deve
lope
d.Th
eflo
odin
dex
ffl
diTh
fld
id
ith
hih
tith
Jd
kR
i(fl
di
d21
)d
thl
tith
SiR
i(fl
di
dof
flood
ing.
The
flood
inde
xis
the
high
esti
nth
eJa
duka
Riv
er(fl
ood
inde
x21
)and
the
low
esti
nth
eS
omes
war
iRiv
er(fl
ood
ind
offlo
odin
g.Th
eflo
odin
dex
isth
ehi
ghes
tin
the
Jadu
kaR
iver
(floo
din
dex
21)a
ndth
elo
wes
tin
the
Som
esw
ariR
iver
(floo
din
dt
td
fth
ltft
hG
lCi
lti
Md
l(G
CM
)E
Ch
5C
SIR
OM
k35
dM
IRO
C3
2(
d)
itco
nstru
cted
from
the
resu
ltsof
thre
eG
ener
alC
ircul
atio
nM
odel
s(G
CM
s)-E
Cha
m5,
CSI
RO
-Mk3
.5an
dM
IRO
C3.
2(m
edre
s)w
it(
),
()
2050
d20
90Th
fld
kdi
hd
tl
ldi
td
ti
idbl
Afl
di
2050
and
2090
.Th
epr
e-m
onso
onflo
odpe
akdi
scha
rge
and
wat
erle
vel
are
pred
icte
dto
incr
ease
cons
ider
ably.
Aflo
odin
pp
gp
ypr
edic
ted
hydr
ogra
phIt
ispr
edic
ted
that
the
flood
seve
rity
will
incr
ease
form
osto
fthe
river
sin
the
Hao
rare
apr
edic
ted
hydr
ogra
ph.I
tis
pred
icte
dth
atth
eflo
odse
verit
yw
illin
crea
sefo
rmos
toft
heriv
ers
inth
eH
aora
rea.
.p
yg
pp
y
Ct
dR
bt
ht
Fld
Ch
ti
tii
thH
Cas
est
udy:
Ruv
ubu
catc
hmen
tFl
ood
Cha
ract
eris
tics
inth
eH
aora
rea
Cas
est
udy:
Ruv
ubu
catc
hmen
tFl
ood
Cha
ract
eris
tics
inth
eH
aora
rea
Hao
rare
aof
Ban
glad
esh
Hao
rare
aof
Ban
glad
esh
Thd
lfl
dd
Ht
did
i1
Dd
2D
hg
The
deep
lyflo
oded
Hao
rar
eaw
asst
udie
dus
ing
1-D
and
2-D
hp
yg
envi
ronm
ent
Riv
ers
wer
em
odel
led
with
a1
Dm
odel
and
Hao
rsw
ere
men
viro
nmen
t.R
iver
sw
ere
mod
elle
dw
itha
1-D
mod
elan
dH
aors
wer
em
mod
elw
asca
libra
ted
with
resp
ectt
oth
ew
ater
leve
lgau
geob
serv
atio
nm
odel
was
calib
rate
dw
ithre
spec
tto
the
wat
erle
velg
auge
obse
rvat
ion
gg
the
2D
mod
elw
asca
libra
ted
usin
gre
mot
ese
nsin
gim
ages
the
2-D
mod
elw
asca
libra
ted
usin
gre
mot
ese
nsin
gim
ages
.
Thlt
hd
tht
thi
lt
The
resu
ltssh
owed
that
ther
ear
em
ainl
ytw
oy
tf
ii
thd
lfl
dd
Sty
pes
ofriv
ers
inth
ede
eply
flood
edar
ea.
Som
eyp
py
are
slow
resp
onse
river
sw
itha
flood
resp
onse
are
slow
resp
onse
river
sw
itha
flood
resp
onse
pp
time
of10
to20
days
and
othe
rsar
equ
ick
time
of10
to20
days
and
othe
rsar
equ
ick
resp
onse
river
sw
itha
flood
resp
onse
time
of2
tore
spon
seriv
ers
with
aflo
odre
spon
setim
eof
2to
5da
ys(F
ig2)
5da
ys(F
ig.2
).(
)(a
)
An
inte
grat
edflo
odin
dex
was
deve
lope
dw
ithA
nin
tegr
ated
flood
inde
xw
asde
velo
ped
with
hydr
ogra
phch
arac
teris
tics
ofth
eris
ing
curv
ehy
drog
raph
char
acte
ristic
sof
the
risin
gcu
rve
grad
ient
(K)
flood
mag
nitu
dera
tio(M
)and
time
togr
adie
nt(K
),flo
odm
agni
tude
ratio
(M)a
ndtim
eto
peak
(TP
).Th
eflo
odin
dex
indi
cate
sth
ere
lativ
epe
ak(T
P).
The
flood
inde
xin
dica
tes
the
rela
tive
llit
ffl
dii
diff
ti
(Fi
over
alls
ever
ityof
flood
ing
indi
ffere
ntriv
ers
(Fig
.ov
eral
lsev
erity
offlo
odin
gin
diffe
rent
river
s(F
ig.
3(
)3
(a).
()
(b)
(b) Fi
g3
(a)F
lood
inde
Fig.
3 (a
) Flo
od in
dear
eafo
r200
4(b
)De
area
for 2
004
(b) D
e
Fig
1Th
est
udy
area
Fig.
1 Th
e st
udy
area
.Th
est
udy
show
sTh
est
udy
show
spr
e-m
onso
onflo
opr
em
onso
onflo
oTh
est
udy
area
isth
eN
orth
Eas
tern
regi
onof
durin
gth
epr
e-m
The
stud
yar
eais
the
Nor
th-E
aste
rnre
gion
ofdu
ring
the
pre
mf
(a)
Ban
glad
esh
(Fig
1)Th
ere
are
thre
ety
pes
offlo
oded
Hao
rar
e(a
)B
angl
ades
h(F
ig.1
).Th
ere
are
thre
ety
pes
offlo
oded
Hao
rar
ei
dt
db
Hao
rsin
that
area
:Foo
thill
and
near
hill
Hao
rin
unda
ted
bya
Hao
rsin
that
area
:Foo
thill
and
near
hill
Hao
r,in
unda
ted
bya
fld
lit
f1Fl
oodp
lain
Hao
rand
Dee
ply
flood
edH
aor
flood
velo
city
of1
Floo
dpla
inH
aora
ndD
eepl
yflo
oded
Hao
r.y
Tht
dTw
elve
river
san
dfif
teen
Hao
rsof
the
deep
lyTh
est
udy
reve
Twel
veriv
ers
and
fifte
enH
aors
ofth
ede
eply
es
udy
ee
bh
dflo
oded
Hao
rar
eaw
ere
cons
ider
edin
the
brea
ches
redu
cflo
oded
Hao
rar
eaw
ere
cons
ider
edin
the
fld
dH
stud
yD
urin
gth
edr
yse
ason
farm
ers
culti
vate
flood
edar
ea.H
ost
udy.
Dur
ing
the
dry
seas
onfa
rmer
scu
ltiva
teflo
oded
Hao
rar
eB
oro
rice
inth
eH
aor
area
.P
re-m
onso
onflo
oded
Hao
rar
e(b
)B
oro
rice
inth
eH
aor
area
.P
rem
onso
onfl
dft
di
thH
emba
nkm
ent
heflo
ods
ofte
nda
mag
ecr
ops
inth
eH
aor
area
.em
bank
men
the
Fig.
2:(a
)Com
paris
onof
hydr
ogra
phin
the
Naw
aR
iver
atflo
ods
ofte
nda
mag
ecr
ops
inth
eH
aor
area
.H
dfi
hi
di
tht
iden
tifie
dH
aors
Fig.
2: (a
) Com
paris
on o
f hyd
rogr
aph
in th
e N
awa
Riv
er a
t U
San
dD
Sdu
ring
the
2004
flood
(b)C
ompa
rison
ofw
ater
Hao
rsar
eus
edas
fishe
ries
durin
gth
ew
etid
entif
ied
Hao
rsU
S a
nd D
S d
urin
g th
e 20
04 fl
ood
(b) C
ompa
rison
of w
ater
g
id
Son
amor
alH
aor
leve
lin
the
Naw
aR
iver
atU
San
dD
Sdu
ring
the
2004
flood
perio
d.S
onam
oral
Hao
rle
vel i
n th
e N
awa
Riv
er a
t US
and
DS
dur
ing
the
2004
floo
d p 2 U
NE
SC
O-IH
EIn
stitu
tefo
rWat
erE
duca
tion
Hyd
roin
form
atic
sC
hair
Gro
upW
estv
est7
PO
Box
3015
2601
DA
Del
ftTh
eN
eth
UN
ES
CO
-IHE
Inst
itute
for W
ater
Edu
catio
n, H
ydro
info
rmat
ics
Cha
ir G
roup
, Wes
tves
t 7, P
.O. B
ox 3
015,
260
1 D
A D
elft,
The
Net
h1 P
atua
khal
iSci
ence
and
Tech
nolo
gyU
nive
rsity
Dep
artm
ento
fAgr
icul
tura
lEng
inee
ring
Dum
kiP
atua
khal
i860
2B
angl
ades
h1 P
atua
khal
i Sci
ence
and
Tec
hnol
ogy
Uni
vers
ity, D
epar
tmen
t of A
gric
ultu
ral E
ngin
eerin
g, D
umki
, Pat
uakh
ali-8
602,
Ban
glad
esh
gyy
pg
gg
g
Ai
Bl
dh
dth
Pt
tilI
tf
aorA
rea
inB
angl
ades
han
dth
ePo
tent
ialI
mpa
ctof
aorA
rea
inB
angl
ades
han
dth
ePo
tent
ialI
mpa
ctof
aor A
rea
in B
angl
ades
h an
d th
e Po
tent
ial I
mpa
ct o
f g
Cli
Ch
Clim
ate
Cha
nge
Clim
ate
Cha
nge
Clim
ate
Cha
ngeg
ASu
man
1an
dB
Bha
ttach
arya
2A
. Sum
an1
and
B. B
hatta
char
ya2
Sua
ad
atta
ca
yaya
hoo
com
and
BB
hatta
char
ya@
unes
coih
eor
gya
hoo.
com
and
B.B
hatta
char
ya@
unes
co-ih
e.or
gya
hoo.
com
and
B.B
hatta
char
ya@
unes
coih
e.or
g
Cli
tC
hI
tfl
dii
thH
Clim
ate
Cha
nge
Impa
cts
onflo
odin
gin
the
Hao
rare
aC
limat
e C
hang
e Im
pact
s on
floo
ding
in th
e H
aor a
rea
nH
aors
are
used
for
agric
ultu
rean
dn
Hao
rsar
eus
edfo
rag
ricul
ture
and
mag
nitu
dera
tio(M
)and
time
tope
akTh
ree
GC
Ms
CS
IRO
Mk3
5E
CH
am5
and
Tabl
e1:
Per
cent
age
ofpr
ecip
itatio
nin
crea
sein
mag
nitu
dera
tio(M
)and
time
tope
akTh
ree
GC
Ms-
CS
IRO
-Mk3
.5,E
CH
am5
and
Tabl
e1:
Per
cent
age
ofpr
ecip
itatio
nin
crea
sein
indi
cate
sth
ere
lativ
eov
eral
lsev
erity
,M
IRO
C3
2(m
edre
s)an
dIP
CC
scen
ario
sth
eB
1an
dA
2sc
enar
ios
with
diffe
rent
GC
Ms
indi
cate
sth
ere
lativ
eov
eral
lsev
erity
d8)
Cli
th
iM
IRO
C3.
2(m
edre
s),
and
IPC
Csc
enar
ios
the
B1
and
A2
scen
ario
sw
ithdi
ffere
ntG
CM
s.de
x8)
.Clim
ate
chan
gesc
enar
ios
are
()
B1
and
A2
wer
eus
edto
cons
truct
the
dex
8).C
limat
ech
ange
scen
ario
sar
eth
thB
1d
A2IP
CC
if
B1
and
A2
wer
eus
edto
cons
truct
the
GC
Mm
odel
%of
prec
ipita
tion
incr
ease
thth
eB
1an
dA2
IPC
Csc
enar
ios
for
futu
resc
enar
ios
All
ofth
empr
edic
tan
GC
Mm
odel
% o
f pre
cipi
tatio
n in
crea
se
di
dl
df
2050
ithth
futu
resc
enar
ios.
All
ofth
empr
edic
tan
B1
A2
ndex
isde
velo
ped
for
2050
with
the
incr
ease
inpr
ecip
itatio
n(F
ig4(
a))
The
B1
A2
pin
crea
sein
prec
ipita
tion
(Fig
.4(
a)).
The
pre-
mon
soon
prec
ipita
tion
ispr
edic
ted
to2050
2090
2050
2090
pre-
mon
soon
prec
ipita
tion
ispr
edic
ted
to2050
2090
2050
2090
CSI
RO
Mk3
53
66
84
164
incr
ease
cons
ider
ably
com
pare
dto
the
CSI
RO
-Mk3
.55.
36.
68.
416
.4in
crea
seco
nsid
erab
lyco
mpa
red
toth
eEC
Ham
52
811
83
417
8m
onso
onpr
ecip
itatio
n(F
ig4(
b))
ECH
am5
2.8
11.8
3.4
17.8
mon
soon
prec
ipita
tion
(Fig
4(b)
).M
IRO
C3.
2(m
edre
s)10
.015
.812
.019
.2(
)
hd
di
dl
ith
MIK
Ehy
drod
ynam
icm
odel
sin
the
MIK
Ey
ym
odel
led
with
a2
Dm
odel
The
1D
mod
elle
dw
itha
2-D
mod
el.T
he1-
Dns
The
flood
inun
datio
nex
tent
from
ns.T
heflo
odin
unda
tion
exte
ntfro
m
(a)
(b)
(a)
Fig
4(a
)Rai
nfal
lpat
tern
of20
10an
dsi
mul
ated
rain
fall
patte
rnof
2050
with
diffe
rent
GC
Mm
odel
sFi
g. 4
. (a)
Rai
nfal
l pat
tern
of 2
010
and
sim
ulat
ed ra
infa
ll pa
ttern
of 2
050
with
diff
eren
t GC
M m
odel
s d
hA
2i
(b)P
ii
ih
ihdi
ffG
CM
dl
dh
A2
if
200
and
the
A2
scen
ario
(b) P
reci
pita
tion
chan
ges
with
diff
eren
t GC
M m
odel
s an
d th
e A
2 sc
enar
io fo
r 205
0 (
)p
g
Tht
dl
ii
kdi
hd
dih
ith
The
stud
yre
veal
san
incr
ease
inpe
akdi
scha
rge
and
aver
age
disc
harg
ein
the
The
stud
yre
veal
san
incr
ease
inpe
akdi
scha
rge
and
aver
age
disc
harg
ein
the
ji
ith
HfB
ld
h(F
i5)
Thfl
dk
maj
orriv
ers
inth
eH
aor
area
ofB
angl
ades
h(F
ig5)
.The
pre-
mon
soon
flood
peak
jg
(g
)p
pdi
hd
tl
lidi
td
ti
idbl
ii
tth
disc
harg
ean
dw
ater
leve
lis
pred
icte
dto
incr
ease
cons
ider
ably
inco
mpa
rison
toth
eg
py
pm
onso
onpe
akan
dw
ater
leve
lD
iffer
ent
GC
Mm
odel
sex
pect
anin
crea
sein
the
mon
soon
peak
and
wat
erle
vel.
Diff
eren
tG
CM
mod
els
expe
ctan
incr
ease
inth
ep
ppr
em
onso
onpe
akw
ater
leve
lby
04
mto
16
min
the
Hao
rar
eain
2050
with
the
pre-
mon
soon
peak
wat
erle
velb
y0.
4m
to1.
6m
inth
eH
aor
area
in20
50w
ithth
eA
2sc
enar
ioFi
g6
show
sco
mpa
rison
offlo
odin
dex
of20
04an
d20
50A
2sc
enar
io.
Fig.
6sh
ows
com
paris
onof
flood
inde
xof
2004
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