Climate Change Impacts on Hydrology and Water Quality
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Transcript of Climate Change Impacts on Hydrology and Water Quality
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Randy Lehr, Ph.D.
Climate Change Impacts on Hydrology and Water Quality
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Climate Change Impacts Wetter Warmer
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Species Distributions
Brook Trout Habitat, WICCIStratification, Lake Owen
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Altered Hydrology
Slide 28
Fig. 4.28, p. 90
Precipitation
Precipitationto ocean
Evaporation
EvaporationFromocean
Surface runoff(rapid)
Ocean storage
Condensation
Transpiration
Rain clouds
Infiltration andPercolation
Transpirationfrom plants
Groundwater movement (slow)
Groundwater movement (slow)
RunoffRunoffSurface runoff (rapid)Surface runoff (rapid)
Precipitation
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Stressor Interactions
Wetter = More nutrients?
Warmer = Changes in species dominance?
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Vulnerability 1950 to 2006, WICCI
Temperature Rainfall
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Social-Environmental Considerations
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Precipitation and Infrastructure Design
Current Guidance7.31 inches (5.73-9.20)
Anticipated Future~ 20% increase over current
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Infrastructure “Hotspots”
Percent DifferenceHigh 101
Low 35
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Land Use Legacies
Source: Esri, DigitalGlobe, GeoEye, i-cubed, USDA, USGS,AEX, Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GISUser Community
Percent Open Land81 - 10061 - 8041 - 6021 - 400 - 20
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Land Use and Climate Change Increased Food Demand
– 50%-110% increase in production by 2050
0%20%40%60%80%90%
% Agriculture
NLCD, 2011
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Fishery Resource – Brook Trout
• Ecological response to warming waters has management implications
• Secondary social response is currently unstudied, but may also have significant impacts on conservation work
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Optimism in the Face of Uncertainty
How willing would you be to…?
1.0 1.5 2.0 2.5 3.0 3.5 4.0Avg. Response
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%Percent of Total Responses
Modify the management of your property toprotect the quality of Lake Owen?
Support efforts to protect the ecologicalhealth of Lake Owen if it limited your curre..
Attend educational events regarding themanagement of Lake Owen?
Volunteer with projects to improve thequality of Lake Owen?
Pay an increase in taxes or fees to helpprotect the quality of Lake Owen?
Financially support the ongoing protectionand restoration of Lake Owen if you move..
2.78
2.28
2.96
3.00
3.04
2.44
How willing would you be to…?
1.0 1.5 2.0 2.5 3.0 3.5 4.0Avg. Response
2.78
2.28
2.96
3.00
3.04
2.44
Willingness ScaleExtremely willingSomewhat willingSomewhat unwillingExtremely unwilling