Hydrological variability, transboundry floods and institutions
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Transcript of Hydrological variability, transboundry floods and institutions
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Marloes Bakker, Utrecht University, The Netherlands
James Duncan, University of Vermont, USA
HYDROLOGICAL VARIABILITY, TRANSBOUNDARY FLOODS AND INSTITUTIONS:
AN EXPLORATION OF TOMORROW'S BOTTLENECKS
Deltas in times of climate change II24 September 2014 | session DD 11.1
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Nothing is more flexible, more yielding or softer than water, yet when it attacks, none can withstand it.
Lao Tzu, 6th century BC
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WATER WARS?
“The next war in the Middle East will be fought over water, not politics.”
Boutros Boutros Ghali, 1991, 1997, 2005
“Wars of the next century will be over water, not oil.”Ismail Serageldin
“Fierce competition for freshwater may well become a source of conflict and wars in the future.”
Kofi Annan
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> 275 Shared River Basins
Source: TFDD
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INSTITUTIONAL RESILIENCY
Transboundary water institutions are resilient over time, even
between hostile riparians, even as conflict is waged over other
issues.
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1760 river floods over the period 1985-2005
175 floods shared between countries
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Research question
A closer look at the nexus of transboundary flood events and
social vulnerability
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METHODOLOGY
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4
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SOME FIRST RESULTS
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NUMBER OF PEOPLE EXPOSED TO FLOODS WILL DOUBLE
BY 2050
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BY 2050, 62% OF CURRENT POPULATION WILL LIVE IN AREAS OF
MODERATE FUTURE HAZARD
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2 BILLION PEOPLE LIVE IN A ‘LESS RESILIENT’ BASIN WHEN IT
COMES TO FLOOD RESILIENCE
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101.6 MILLION PEOPLE ARE IN THE HIGHEST RISK LEVELS
(73% IN AFRICA, 22% IN ASIA)
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PROPORTIONS OF BASIN POPULATION AT RISK GROUPED BY CONTINENT
POPULATION (LEFT) AND AREA (RIGHT)
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Figure 10. Final risk rankings of basin-country units in Europe.
NOT ALL BASINS THAT WILL EXPERIENCE AN INCREASE IN
EXPOSED POPULATION HAVE RBOS BUT ALL OF THEM HAVE AVERAGE TO
HIGH RANKS FOR FINAL RISK
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DISCUSSION
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WHERE TO LOOK FURTHER?
• Conflating coastal vs riverine• Lot of treaties, but still vulnerable• Intersection of treaties, events of conflict
and cooperation• Upstream and downstream dynamics• Quantitative vs qualitative
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FINAL THOUGHTS
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CONCLUSIONS
• Knowledge gap a bit smaller
• What is risk now and in the future:
One step closer to understanding where capacity-building for greater resilience to
change is critical
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“[…] THE EARTH’S CLIMATE AND ITS ADVERSE EFFECTS ARE A COMMON CONCERN OF HUMANKIND”