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Chao Phraya river basin. Matthias Bethlehem Jan Fliervoet Irenee Sicard. Context. Introduction Sustainability vision Baseline analysis Action plan Conclusion. Introduction. Chao Phraya river basin catchment area: 160.000km² entirely located in Thailand

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chao phraya river basin

Chao Phraya river basin

Matthias Bethlehem

Jan Fliervoet

Irenee Sicard

context
Context
  • Introduction
  • Sustainability vision
  • Baseline analysis
  • Action plan
  • Conclusion
introduction
Introduction
  • Chao Phraya river basin
  • catchment area: 160.000km²
  • entirely located in Thailand
  • drains into the Gulf of Thailand/Pacific ocean
  • consists of 8 sub-basins
  • four large tributaries (Ping, Wang, Yom, Nan)
  • Bangkok is located near the mouth
  • (>8M inhabitants)
  • Chiang Mai (2nd largest city) is located at the
  • upper part of the basin
water related issues
Water related issues
  • Water scarcity and/or water allocation
  • High variation in rainfall due to Monsoon climate
  • Floods
  • Organic and bacterial pollution
  • Heavy industrial and domestic pollution in the Delta parts
  • Decreasing groundwater level and pollution (salinity due to the intrusion of sodium and chloride)
  • Deforestation and its conversion to agricultural use in the upper parts
  • Soil erosion
  • Equitability among stakeholders
  • Sustainability for the basin’s aquatic environment
  • Enable navigation even in dry season
  • Water for energy purposes
  • Water for industrial purposes
  • Water for cities
sutainability vision
Sutainability vision
  • Sustainable society
    • Awareness
    • Strong leadership
    • People are not subject to conditions that systematically undermine their capacity to meet their needs.
  • Sustainable river
    • System thinking, including cycles of nature
    • Decentralization of water management
      • Decrease concentrations of substances extracted from the Earth’s crust.
      • Decrease concentrations of substances produced by society.
      • Decrease degradation by physical means.
determine important stakeholders
Determine important stakeholders
  • Electricity Generation Authority of Thailand (EGAT)
  • Ministry of Natural Resources and Environment (MNRE)
  • Provincial Waterworks Authority (PWA)
  • Farmers
  • Industry
sc analysis
SC - Analysis
  • SC 1: nature is not subject to systematically increasing concentrations of substances extracted from the Earth’s crust

Negative aspects:

  • Fast extraction of groundwater

Positive apects:

  • no fossil fuels extracted
sc analysis1
SC - Analysis
  • SC 2: nature is not subject to systematically increasing concentrations of substances produced by society

Negative aspects:

  • Agricultural, industrial, and domestic waste
  • Navigation
sc analysis2
SC - Analysis
  • SC 3: nature is not subject to systematically increasing degradation by physical means.

Negative aspects:

  • Deforestation (upper areas)
  • Natural river flow

Positive apects:

  • Ecosystem diveristy is still available.
sc analysis3
SC - Analysis
  • SC 4: In that society people are not subject to conditions that systematically undermine their capacity to meet their needs.

Negative aspects:

  • Not equally distribution of resources and economic wealth

Positive aspects:

  • Economic development
key areas
Key areas
  • Improvement of the surface water quality and quantity.
    • Urban areas
    • Rural areas
action plan
Action plan

3 short-term actions

  • Build watertreatment plants (in the cities)
    • Semi-flexible
    • Improve water quality
  • Improvement of water infrastructure in the cities.
    • Semi-flexible
    • Improve water quantity
  • Increase forestation
    • Flexible
    • Reduce soil erosion, improve water quality and quantity
action plan1
Action plan

3 long-term actions

  • Adapt land-use (use less water for agricultural activities)
    • Flexible
    • Secure food supply
    • Agricultural sector
  • Reduce use of groundwater resources by increase of water infrastructure in the whole basin.
    • Flexible
    • Less independent on groundwater resources
    • The industrial, domestic and agricultural stakeholders.
  • Install water pricing for irrigation (Payment for Ecosystem Services PES)
    • Flexible
    • Improvement of water quality and quantity
    • Agricultural stakeholders.
conclusion
Conclusion
  • Improve education and communication between stakeholders.
  • More awareness about water related problems