Climate Change 2001:
Working Group II: Impacts, Adaptation and Vulnerability
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4.5.3. Catchment and System Case Studies

Table 4-8: Studies of impact of climate change on water resources and hazards (published since the SAR).
Impact
Catchment/Region
Reference
Public water supply    
– Water supply systems
– Supply reservoirs
– Supply reservoir
– Supply reservoir
– Supply reservoirs
– Supply system
– Groundwater supply
– Water supply system
– Supply system

Four U.S. basins
Czech Republic
Philippines
Yangtze basin, China
UK, Iran
Poland
Texas, USA
New York City, USA
Rhine River

Lettenmaier et al. (1999)
Dvorak et al. (1997)
Jose et al. (1996)
Shen and Liang (1998)
Adeloye et al. (1998)
Kaczmarek et al. (1996)
Loaiciga et al. (1998)
Blake et al. (2000)
Grabs (1997)

Irrigation    
– Impacts on crop yields
– Impacts on crop yields
– Rice irrigation
– Irrigated agriculture
– Irrigated cropland
– Irrigated cropland
New York, Indiana, and Oklahoma, USA
Southern European Russia
Senegal River basin, West Africa
Columbia River, USA/Canada
Georgia, USA
USA
Tung and Haith (1998)
Georgiyevsky et al. (1996)
Venema et al. (1997)
Cohen et al. (2000)
Hatch et al. (1999)
Strzepek et al. (1999)
Power generation    
– Hydropower (reservoir)
– Hydropower (reservoir)
– Hydropower (lake)
– Hydropower (lake)
– Hydropower (reservoir)
– Hydropower (reservoir)
Southeast USA
Nordic region
Great Lakes
Four U.S. basins
Columbia River, USA/Canada
Tana River, Kenya

Robinson (1997)
Saelthun et al. (1998)
Chao and Wood (1999)
Lettenmaier et al. (1999)
Cohen et al. (2000)
Mutua (1998)

Navigation    
– River navigation
– River navigation
– River navigation
– Lake navigation
Rhine River
Three U.S. basins
Columbia River, USA/Canada
Great Lakes
Grabs (1997)
Lettenmaier et al. (1999)
Cohen et al. (2000)
Chao and Wood (1999)
Flood risk    
– Riverine flood risk
– Riverine flood risk
– Riverine flood risk
– Riverine flood risk
Rhine basin
Eastern Australia
Columbia River, USA/Canada
Five U.S. basins
Grabs (1997)
Minnery and Smith (1996)
Cohen et al. (2000)
Lettenmaier et al. (1999)
Pollution control and
water quality management
   
– Wastewater treatment Slovakia Carmichael et al. (1996)
Low flows and instream needs    
– Fishery impacts
– Environmental low flows
Columbia River, USA/Canada
Midwest USA
Cohen et al. (2000)
Eheart et al. (1999)
General overview    
– Review
– Review
– Review
– Review
– Review
– Review
– Review
– Review
UK
USA
Canada
Central Great Plains, USA
Mexico
Estonia
South Asia
Kenya

Arnell (1998)
Gleick (2000)
Bruce et al. (2000)
Ojima et al. (1999)
Mendoza et al. (1997)
Jarvet (1998)
Mirza (1999)
Awuor (1998)

Although there have been many assessments of the effect of climate change on river flows and (to a much lesser extent) groundwater recharge, there have been few published quantitative studies into impacts on real water resource systems. Table 4-8 lists studies published in particular aspects of the water sector. Rather than summarize a large number of studies—which use different scenarios and different methodologies—this section gives a description of a few particularly comprehensive studies.

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