Chapter
Apr 26, 2012
Hydrologic Effects of Climate Change in the Yukon River Basin
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
A monthly water balance (WB) model was developed for the Yukon River Basin (YRB). The WB model was calibrated using mean monthly values of precipitation and temperature derived from the Precipitation-elevation Regression on Independent Slopes Model (PRISM) data set and by comparing estimated mean monthly runoff with runoff measured at Pilot Station, Alaska. Potential hydrologic effects of climate change were assessed for the YRB by imposing changes in precipitation and temperature derived from selected Inter-governmental Panel for Climate Change (IPCC) climate simulations. Scenarios from five general circulation model (GCM) simulations were used to provide a range of potential changes. Results from the scenarios indicate an increase in annual runoff in the 21st century for the YRB with simulated increases in precipitation having the greatest effect on increases in runoff. Simulated increases in temperature were found to alter the timing of snow accumulation and melt.
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Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Basins
- Bodies of water (by type)
- Climate change
- Climates
- Engineering fundamentals
- Environmental engineering
- Hydrologic engineering
- Hydrologic models
- Hydrology
- Measurement (by type)
- Meteorology
- Models (by type)
- Precipitation
- River engineering
- Rivers and streams
- Runoff
- Temperature effects
- Temperature measurement
- Water and water resources
- Water management
Authors
Affiliations
U.S. Geological Survey, Denver Federal Center, MS 412, Denver, Colorado 80225. E-mail: [email protected]
U.S. Geological Survey, Denver Federal Center, MS 412, Denver, Colorado 80225. E-mail: [email protected]
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