20Jan2555_DrChukiat Sapphisal

8/3/2019 20Jan2555_DrChukiat Sapphisal

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LOD I Term Stratelf_../..MI_I, ...... P r _ V e n t l O D _ and.


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- . . , _ . . ,-~''II' ~~,~~~@~iQ:~~

.'..,

Y Floodplain 35,000 km2

I )- Population 25 minion


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Flood 2011: Damages in Floodplain

._._I'~-- .. ~-~~~'IiQ ~.~~, (E)~@~~'~ ~

1'(3,500)'-''3'0,&'I (1, ~ 5 0 1 0 . . I20' B IB~~~. . . . .~.~~~~.~

1',,000) :_55:0' B$

Total Damages 1,400 billionBaht


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. 1 Flood-management means ensuring__Jlroller flow (through rivers andtloodways) and providing sufficient storage (further develop "Kam Ling")

There is a need to regulate land use to ensure its consistency with the watermanagement plan. - When flood occurs, the goal is to mitigate the impactsand damages. -This could also serve as an opportunity to increase incomeand improve social security- for grassroots.


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The strategy is based on the principles of "suffic-iem econom__y"and "neo-agriculture" .

It is important to_promote p-ublic awareness of people (bot.h in thefloodplain and other areas) to ensure their support and cooperation lor:Ooodmanagement strategy.


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Long T'erm Measures for Flood Prevention in Chau-Phraya River Basin

Dikes for Urban AreaWaterway Improvement/Flood Protection Wan

Retarding Basin(man-made/natural)Eastern Flood DiversionChannel

DamsSources: JICA (1999)Ui);;:;f)"HIUlh;;:;trl 'WdJ

o OJ OJ do.t rl 'U f l~ l'W 'V l l'YUJt r'UdJ (2543 )

~"" '"" i Guidelines for Reservoir Management1--........anagement Plan for Flood-Prone Areas

1--........ater Storage ManagementRegulations and Instltntlons

FhHIncial AssistaneeFlood InsunU1C'1'


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Flood

ci ] (2543)

Chao Phraya: RiverBasin Comitee

Sources:

Land UseGuidanceAndWatershedM~t


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Major Components (1)

Upstream IiO Forest and Land Rehabilitation/Conservation:0 More Reservoirs'0 Land Use/Development Regulation

Midstream. . . . . . . . ~ - - - -o Protection for Provincial Urban Areasa Absorbing Flood Peak and Increasing Income in

Irrigated FloodplainOLand Use/Development Regulation

)r Protection for Important Economic Zone> Floodways through/around the Areas'> Land use/Development Regulation


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Major Components (2)

) i o > Develop Database and Prediction and Early WarningSystems

Y Develop Effective and Realistic Regulation andCompensation Regime

) i o > Promote public awareness, participation and support


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Chao-Phraya River Basin

Dam

pstream!Effective


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Midstream/Effective


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I Exam ple :'Polder of Pak Kret C ityI

'f; ~i . lnQ~:&'1YI 'nJI


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Midstream!Effective


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Irrigated land and wetland to be used as floodplainPhitsanulek

1----....J, _)1

'- l

. >(

Upper Chao-Praya BasinN " l i I . ~a I i s : 1 i : r e (l


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Management of Agricultural Land in FloodplainIn Case of Medium and Large Flood + To Increase Income

RiceField


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Floodplain Management in Wet SeasonlWet Season.. When the water level in theriver way is higher than theflood protection dike, watergates will be opened.Excessive amount ofwaterwill be stored in thefloodplain, thus helping toreduce damages frommedium and large flood.Community on

river bankWater

U 'oter G0res_: controlling inflow toBangbal 1area when river water level ishigh, and outflow when river water levelislower than in floodplain.l) lpIUl'IilJI,S: when necessary, pumps will pullwater out of floodplain when river waterlevel is high,

l) :SVmw~y8,: serving as channels for inflowand outflow, and storage space forconsumption in dry season.

bl)RoQ

03p:)bl)gp:)~ Community on river bank~a


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Floodplain Management in Dry Season.:. A ller wet :s,ea'Son~guvenunelu w~Usupply suff ic i' cn t

waterts Increase rice p,l"(~duc.tivil:ynd g;uaranteedec price.

Rice Crop Cycles in FloodplainCycle 1 : Dec - MarCycle 2: Mar - JunCycle 3: Jul - DecPumping Sta ,t i'Qi. l1 snd I r rigat ion C'anll's: Pumpiagwater trem th e r iv er h lt o ir r.ig at ed land thnnlgh, canalsSp illways , :: Se rve as; s , t ' o r u g c ' of w a t e : T for agr:h!'ultur:aluse, C 'ontroUed by water 'g~l:tes,.

SpillwayWell

. .. ._lll,-4"~,~_,, . ._~,~gbal" The Royal pilot project for floodplain management anddamages from medium and large flood. (2008)


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Midstream!Effective


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Downstream!Effective


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Chao- Phraya River Basin

DownstreamlEffective

Flood "Way


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West of Chas-Praya River(area 2,500 krrr')


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Downstr~mlEffective

Befere


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Good Realistic FinancialAssistance

Chao-Phraya River BasinG e _ _ _ i t d ingle Command

Authority


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Expected Outcomes of "Back Bone Projects'1. Increased fores land2. Increased water storage/supply - + - enlarged areas for

non-seasonal crops

3. Improved Iivelihond in 2 million rai of irrigated land -increasing productivity while absorbing floodpeak

. -. . .. . . ". -" '. . . .. . . '. . .. . . " . .

5. No Ilood in Major Economic: Areas (BangkokM:etropolitall and provincial)


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F~c '. ~~ " ' d l e 1 ! I ' ',0 ~I I" ". . ' . ." " , ' J _ . , . ' ' " . ' , ~ . ~,uu.,;- _ u . "".-- ,"Iif,1NDIIe, ii~;w...~'_~u..pa:l.Jl'~

> 1,000 ems,

t

> 1,50ID ems.MtQi['

t


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20Jan2555_DrChukiat Sapphisal