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8/6/2019 Presentation THA Koonphol
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Applying Hydro-Informatics to Introduce
IWRM in Asian River Basins15-18 October 2008, Zhengzhou, People’s Republic of China
The Case of the Bangpakong River Basinin Thailand
Nirut KoonpholDirector of Water Resources Information Technology CenterDepartment of Water Resources, MNRE, Thailand
The views expressed in this paper are the views of the authors and do not necessarily reflect the views or policies of the Asian
Development Bank (ADB), or its Board of Directors, or the governments they represent. ADB does not guarantee the accuracy
of the data included in this paper and accepts no responsibility for any consequences of their use. Terminology used may not
necessarily be consistent with ADB official terms.
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VISION
To achieve the integrated
water resources managementwith efficiency and sustainability
on the basis of good governance.MISSION
• To recommend the water policy, plan andmeasure for management, development,conservation, rehabilitation, and solving
problems related to water resources.
Department of Water Resources, MNRE
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PrajinburiBasinBangpakongBasin
Bangpakong-Prajinburi River Basin is one of Thailand’s most important regions for its vast fertile
arable area. Locating just next to Bangkok, its location, facilitating transportation to Bangkok and
ports in the eastern seaboard, establishes the basin as a major commercial and industrial center.
Bangkok
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BangpakongBasin
10,707 sq.km
PrajinburiBasin
9,651sq.km
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Residential
Fish/animalfarm
Sarapifloodplain
Qualityproblem
PhraAjarn
pond
Inundation
Flashflood
Industries
Salineintrusion
Problems/Sources
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2. Hydrological-
Water qualitymonitoringstation network
1.Early warning
station network
4. Project website,presentingmeasured/
forecasting dataand warningannouncement
3. Mathematicmodels anddatabase
IWRM ProjectBangpakongRiver Basin
Projectfeatures
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Early warning stationis, practically, a
telemetry system,featuring a rain gauge ,
Communication/Control
RainGauge
Alarm
Siren
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Alarm will be automatically
raised when rain intensity isup to the preset levels
EW station is installed at flashflood or landslide-risk area
Mitigation measures can beimplemented before the incident
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With this network, water level and rainfall atevery crucial stream is continuously monitored.Major water quality parameters, i.e. DO, pH, ORP,Salinity and turbidity, are also monitored atcertain stations, depending on water qualityproblem at such location.
Water level
sensor
Water
RainGuage
Communication/Control
U
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River mouthWL,R,Sal,TMonitor Sea level/ Salinty.D/S boundary of model
Lower
BangpakongWL,R,Sal,T,DO,ORPMonitor salinity,
WL and WQ atChachengsaoprovince
Upper
BangpakongWL,R,Sal,T,DO,ORP,pHMonitor WL,WQ
at theconfluence forinter-basin floodwater diversion
planning
LowerNakonnayok WL,R,Sal,T,DO,ORP
Monitor WL, WQfromNakonnayok river and water
from Rungsit.
UpperNakonnayok WL,R,TurbidRepresent waterfrom Khun Dandam, an U/Sboundary of model. Evaluatecheck damefficiency viaturbidity.
LowerPrajinburi
WL,R,Sal,T,DO,ORP,pHRepresentlower
prajinburi riverand monitorWQ fromSarapi
floodplain.
UpperPrajinburiWL,R,Sal,T,DO,ORPRepresentwater fromPhra Prong andHanuman river,monitor WQfrom Kabinburi
SamongWL,R RepresentSamong river,an U/Sboundary.Kabinburi Floodwarning
HanumanWL,R,TurbidRepresentHunuman river,an U/Sboundary.Evaluate check dams efficiencyvia turbidity
PhraProngWL,R,TurbidRepresent Phra
Prong river, anU/S boundary.Evaluate check dams efficiency
via turbidity
PhraSathueng
WL,R Represent PhraSatung river,an U/S
boundary.
Sra KaewWL,R. Torepresent Phra
Prong canal, anU/S boundary.
Sri YadWL,R Represent Sri Yad
Canal, an U/S boundary.
Khlong LuangWL,R RepresentKhlong Luang canal,Flood warning atPanus
Banna canalWL,R Represent Bannacanal, U/S boundary.
Flood warning atBanna
Sarapi
canalWL,R, DO,ORPMonitor WLand WQ in
Sarapi floodplain
Early WarningStationTo monitorrainfall in flash-
flood andlandslide-risk area. WaterResourceProblemsydro-WQ Stationarly Warning StationRainGaugeStation
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“Math model is a set of equations that representscharacters of the basin, such as hydrodynam ic,water quality, etc. With real t ime data from
telemetry, they can be used to forecast watersituation w ithin the basin
Result
- Forecastedwaterlevels
- Estimationofwaterdeficiency
- Forecastedsalinityandwaterqualityparameters
- Theresults/warningarepresentedinwebsite
- Themodelscanbeusedoff-lineaswatermanagementtoolsforplanning.
Realtimedata Mathmodel
software
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“Measured data, as well as, forecasting results and warningmessages are presented on the project website, which can beeasily accessed via internet by virtually everyone, to encourage
people to use the data to gain understanding on thecharacteristic of the basin, aware of their changes, and helpconserving their water resources.”
Internet
Water level/ Rain
Water Quality data
Forecasting result
Warning
http://tele.dwr.go.th/bpk
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