FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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1 Overview of the Comprehensive Flood Management Plan for the Chao Phraya River Basin & Lesson Learned from Recent Mega Disaster 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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Transcript of FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
7/30/2019 FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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Overview of the
Comprehensive Flood Management Planfor the Chao Phraya River Basin
& Lesson Learned from Recent Mega Disaster
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 thedata included in this paper and accepts no responsibility for any consequences of their use. Terminology used may not necessarily beconsistent with ADB official terms.
7/30/2019 FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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7/30/2019 FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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防災科研 2009年フィリピン台風災害調査速報 より
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7/30/2019 FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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7/30/2019 FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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7/30/2019 FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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7/30/2019 FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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243(=73/30) % of
normal average of river discharge
143 % of
normal average of rainfall
The normal value of cumulative
rainfall and pan evaporation at the
Thai Meteorological Department
(Phitsanulok observatory; 16 47'N, 100 16'E; 45 m above mean sea
level) in the rainy season were
1,192 mm and 842 mm, namely ET
is 70 % of rainfall.
There was no major change in
evaporation and infiltration during
the rainy season between the
flood year and other years.Evapotranspiration
Runoff
(Ratio of normal
average of rainfall; %)
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In the flood years, the increase of rainfall is directly reflected into
the increase of river discharge
100 – 70 = 30
↓
143 – 70 = 73
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Past flood at the Chao Phraya River basin
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Chao Phraya Tone Rhine Mississippi
Catchment Area (km2) 159,000 16,480 185,000 3,220,000
River Length (km) 1,100 322 1,230 6,210
Gradient (lower portion) 1/50,000 1/9,000 1/15,000 1/5,000
River Capacity(lower portion m3/s)
3,000～4,000
21,000 14,000? 77,000
Discharge/Basin Area 0.02 1.2 0.08 0.02
Basin Retention Effect big very small small small
Flood (peak) Duration 1-2 month 2 days 2 week 1 month
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The 2011 Flood
1. Reconstruction of dyke,
ring dyke
2. River structure (Water
Gate and canal etc.
1. Flood Forecast and Early
Warning System
2. Dam Operation
3. Water gate operation
Component 1Component 2 Component 3
Submission of Application as an official request
1 Preparation of Community‐based
disaster risk management plan
Submission of Application as
an official request
1. Short‐term Plan
2. Mid‐Long term Plan
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Dispatch of Rescue team
Provision of Rescue supply
Reconstruction and Rehabilitation of Infrastructure
Mental Health Care
Hazard mapping, evacuation drill
Organization Reinforcement
Establishment of Disaster Management Plan
Development of Early Warning System
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7/30/2019 FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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7/30/2019 FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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LP
Earth ObservationSatellite Observation
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２次元水理解析の流況（1/20：Q=130m3 /s）
計画河道
現況河道
（２次元水理解析結果）
河川改修方針の検討の手順
＜水平縦断面＞
＜代表横断面＞
＜河道条件イメージ＞
（改修後の環境区分の予測）
（現況の環境区分）
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Requested Various Applications for Flood Control= like tip of iceberg =
Monitoring System
Remote Operation
Flood Forecast
Weather Forecast GIS Database
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Standardization of System Architecture
Standardization of Data Structure
Operation Guideline in each Field
Guideline for Data Stock & Management
Human Resource Development Program & Practice
Spirally Updated
Short Term Value
Charging Tech.
Coding System
DataSynchronicit y Tech.
Authentication System
Back-up
DataWarehouse
Security DataStorage
Transaction Management
Push,Pull,Agent
DataCompressi on Tech.Hyper Compression Tech.
for Images
DataExchange Tech.
Auto-Research/CollectionTech.by Agent
VPN
Offer ofVarious Interfaces
e-Banking
E-Kiosk
GIS
DataMining System
Collaboration w/Banks
e-Commerce
Revitalization Tech.ofLegacy data/Resources
Other Technologies
Index Repository
Collaboration w/Other AgenciesSubsystems
Communication Infrastructure IT maturity of the Society
Market MechanismSpirally Updated
Short Term Value
DATA is Fortune
Long Term Value
Human Resources= Long Term Value
Application like Satellite usedinnovated SCADA system
Legal Preparation
JICA’s Lesson Learnt from MEGA Disaster=2011 March 11, Tsunami & Thailand Flood=
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Mainst ream ing Of DRM for Sust a inable Developm ent
7/30/2019 FM-S104a-Overview of the MP for the Chao Phraya River Basin by Kimio Takeya
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→Preparation of MP
taking account for
climate variation and
urbanization (Kaizen)
→Discussion onvalidity of a scenariolevel and limitations of measuresRisk Literacy
→Leveling of
highways work as
secondary dyke
(Redundancy
JICA’s Lesson Learnt from MEGA Disaster=2011 March 11, Tsunami & Thailand Flood=
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Mainst ream ing Of DRM for Sust a inable Development
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