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Peter Wijsman Urban Water Institute – August 23, 2012. Delta Dialogues Balancing economy and ecology. Delta Dialogues Basics of Water Management in the Netherlands Striking a balance. California or the Netherlands? . Delta Dialogues. Land up to 20-30 feet below sea level

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peter wijsman urban water institute august 23 2012
Peter Wijsman

Urban Water Institute – August 23, 2012

Delta DialoguesBalancing economy and ecology

slide2

Delta Dialogues

  • Basics of Water Management in the Netherlands
  • Striking a balance
delta dialogues
California or the Netherlands? Delta Dialogues
  • Land up to 20-30 feet below sea level
  • Protected by earthen levees
  • Peat soils
  • Flooding
  • Salt Water Intrusion
slide4

Shanghai

Rotterdam

  • New Orleans

Source: Rode Delta’s

Majority of world population will live inDelta and Coastal Cities

New York

Jakarta

netherlands low lands
Netherlands = Low Lands
  • 17 million inhabitants
  • 1/10 the size of California
  • $770 billion GDP
  • 3rd Largest foreign investor in the US
  • 30 percent below sea level (up to 20 ft)
  • 60 percent of the country prone to flooding
  • Disastrous 1953 flood
slide7

Long-term Sea Level: Ice Sheets

Volume: 2.8x1015 m3= 7 meters of sea level

Ice sheet response time “is ofthe order of centuries, not millennia”.

Hansen (2005)

finding a balance
Finding a balance

Delta Stewardship Council

in California

Delta Committee

in the Netherlands

delta dialogues why the california is not the netherlands
Delta DialoguesWhy the California is not the Netherlands

California

Netherlands

Flooding

North Sea Storm

Up to 10,000 yr protection

7,000,000 people below sea level

Drain for 5 countries

  • Water supply
  • Earthquake
  • 100 yr protection
  • 100,000 people below sea level
  • One state
slide21

Questions?

415.244.2118

Peter. Wijsman@arcadis-us.com

Photo: Ingrid Taylor