Hamlet south sound_symp_oct_2010
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Transcript of Hamlet south sound_symp_oct_2010
Alan F. Hamlet •JISAO/CSES Climate Impacts Group•Dept. of Civil and Environmental Engineering
University of Washington
Effects of Projected Climate Change on the Hydrology of the Puget Sound Region
Global Climate Change Scenarios for the PNW
Mote, P.W. and E. P. Salathe Jr., 2010: Future climate in the Pacific Northwest, Climatic Change, DOI: 10.1007/s10584-010-9848-z
21st Century Climate Impacts for the Pacific Northwest Region
Seasonal Precipitation Changes for the Pacific Northwest
http://cses.washington.edu/db/pdf/wacciach1scenarios642.pdf
Hydrologic Projections
297 Streamflow
Sites
• Provide a wide range of products to address multiple stakeholder needs
• Increase spatial and temporal resolution
• Provide a large ensemble of climate scenarios to assess uncertainties
• Address hydrologic extremes (e.g. Q100 and 7Q10)
Columbia Basin Climate Change Scenarios Project
Goals and Objectives
http://www.hydro.washington.edu/2860/
Mixed Rain and Snow (Warm):
Nisqually River at La Grande Dam
SWE Runoff
Changes in Hydrologic Extremes
2040s Changes in Flood RiskNisqually River at La Grande
A1B B1
Historical10 Member Ensemble Using the Hybrid Delta Downscaling Approach
A1B B1
2040s Changes in Flood RiskNisqually River at La Grande
Historical10 Member Ensemble Using the Hybrid Delta Downscaling Approach
Related Impacts
Mass Balance of the Nisqually Glacier
http://faculty.washington.edu/scporter/Rainierglaciers.html
1997
1910
http://www.abbegeomorphology.com/?p=69
Sediment Impacts in the Nisqually Headwaters
Water Resources Management and Structures
Alder Dam
Effects to Stream Temperature
Mantua, N., I. Tohver, A.F. Hamlet, 2010: Climate change impacts on streamflow extremes and summertime stream temperature and their possible consequences for freshwater salmon habitat in Washington State,
Climatic Change, online first, doi: 10.1007/s10584-010-9845-2
Nicholls, R. J. and Cazenave, A. (2010) Sea-Level Rise and Its Impact on Coastal Zones. Science 328, 1517-1520
Sea Level Rise