leendert de die and jan van minnen "trm"
TRANSCRIPT
Communities and Institutions for Flood ResilienceTurning Tides?
Tidal River Management
On sinking sediments and sentiments
Jan van Minnen
Leendert de Die
September – December 2012
Outline
• What is Tidal River Management (TRM)?
• The research area
• Jan: historical and physical introduction
• Leendert: perspectives of TRM
• Conclusion
Dynamics
5
5.5
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6.5
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7.5
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8.5
-1
-0.5
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0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8
velo
city
co
un
ts/
me
ters
time
velocities and water levels
Tidal Basin
River Upstream
water level
Preliminary findings
• Tidal Basins are crucial for the Hari river
• Only siltation is possible, no redirection
• Increased siltation due to reclamation on newfloodplains
• What is Tidal River Management?– Water management?
– Sediment management?
– Flow velocity management?
– Tidal volume management?
Leendert – research objectives
• To map current water management practices in Hari-Mukteswari river.
• To find how different stakeholders perceive “TRM”
• To find current problems regarding water management in Hari-Mukteswari river.
What happened?
• BWDB & MPs at Kapalia to open tidal basin
• Demonstrators prevented the opening
• 12 cars burned
• BWDB and govt. officials fled for their lives
Why?
• Peripheral embankments construction
• Compensation:– Bureaucratic procedure
– Land inheritance
– Enemy land
• Beel Khuksia experience:– Initial plan: 3-4 years
– Now: 6 years
• Low trust in government