WLW Day 3: Best Practices on Water--related Disaster Management in Bangladesh by Md.a. W Bhuiyan

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Best Practices on WaterBest Practices on Water--relatedrelated

Disaster Management inDisaster Management in

BangladeshBangladeshMd.A. Wadud Bhuiyan

Bangladesh Water Development Board

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Bangladesh Setting

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Natural Disaster

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Cyclone and Storm Surges

Occurs almost every year1970, 1991, 2007 and2009 were worst and

devastating

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Brahmaputra-Jamuna River 

y = 581.64e2E-05x

R2 = 0.8058

-

1,000

2,000

3,000

4,000

5,000

6,000

7,000

8,000

- 20,000 40,000 60,000 80,000 100,000 120,000

Max. Discharge (m3 /s)

   A  n  n  u  a   l  e  r  o  s   i  o  n   (   h  a   )

   P  r  e  s  e  n   t   E  r  o  s   i  o  n  :   2   2   0   0

   h  a  =   >   2   0 ,   0

   0   0

  p  e  o  p   l  e  p  e  r  m  a  n  e  n   t   l  y   d   i

  s  p   l  a  c  e   d

  e  v  e  r  y

  y  e  a  r .

0

1000

2000

3000

4000

5000

6000

1973-80 1981-90 1991-00 2001-10

   R   a   t   e

   o    f   e   r   o   s   i   o   n     (

    h   a    /   y    )

Period

River Bank Erosion

Annual rate of riverbank

erosion

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Structural Measures

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Rehabilitation of Ayla damaged BWDB Structures

MassMassinvolvementinvolvement

of localof local

peoplepeople

InterInter--agencyagency

coordinationcoordination

LivelihoodLivelihood

promotionpromotion

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Bank Erosion Protection

§ Major cities andtowns : 20 Nos

§ Small Towns : 70 Nos.

§ Important national Installation

:500 Nos.

Total Revetment : 575 km

Spur/Groyne : 220 Nos.

Erosion Protection :

Reduction of Annual RiverBank Erosion: from 10000 ha

to 6000 ha

Sirajgonj HardPoint

Kalitotal

Groyne

Baniajan Spur 2

Revetment

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Non-Structural Measures

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Flood Forecasting and Early

Warning System

Indian DataWMOJRC

WARPO

 FFWC Radio Tower 

FFWC Satellite dish

24, 48, 72 hr 

forecasts

water level

flood extentmaps

thanainundation

maps

Telephone

Fax

Fax Modem

ModemTelevision

Bulletine

GIS data layers

Radio

wi   r   e l    e  s  s  c  o mm u n i    c  a  t   i    o n 

via modem

manual entry 

T   e l    e m e  t   r    y  /   D  a  t    a  b   o x  /   V  o i    c  e 

SPARRSOSattelite images

BMDWeather forecastSynoptic charts

Boundary estimation

Rainfal,

Water level

Data Entry & Processing Modelling & Mapping

 River stage

 Rainfall 

R

e

a

l

T

i

m

e D a t a

Dissemination

to the public

Dissemination

to various agencies

Internet

Output of FFWCOutput of FFWC Daily Rainfall Situation

Rainfall Surface Map

Daily River Situation

Flood Inundation Map

Dhaka City Flood Inundation Map 24, 48 & 72 hrs. Forecast &

Warning Message

Experimental 10 days forecast of 

certain places

Output of FFWCOutput of FFWC Daily Rainfall Situation

Rainfall Surface Map

Daily River Situation

Flood Inundation Map

Dhaka City Flood Inundation Map 24, 48 & 72 hrs. Forecast &

Warning Message

Experimental 10 days forecast of 

certain places

Dissemination of FF InformationDissemination of FF Information

Printed Copy and Fax

Phone

Web-site: www.ffwc.gov.bd

E-mail

Cell Phone Broadcast: Started from July,

2011, dial 10941 from Teletalk, Banglalink 

for Voice Message (charge applicable)

Dissemination of FF InformationDissemination of FF Information

Printed Copy and Fax

Phone

Web-site: www.ffwc.gov.bd

E-mail

Cell Phone Broadcast: Started from July,

2011, dial 10941 from Teletalk, Banglalink 

for Voice Message (charge applicable)

Used SoftwareUsed Software

MIKE11 and MIKE11 FF

Supermodel

covers 82,000 km

2

(Northern part of Bangladesh) 195 river branches, 207 link channels, total river length 7300 km

Used SoftwareUsed Software

MIKE11 and MIKE11 FF

Supermodel

covers 82,000 km

2

(Northern part of Bangladesh) 195 river branches, 207 link channels, total river length 7300 km

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Erosion Prediction and

 Awareness Campaigning

District: Sirajganj

Upazila: Kazipur

Erosion PredictionErosion Prediction

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Thank you