Mathematics – Logic
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011georl..3823403d&link_type=abstract
Geophysical Research Letters, Volume 38, Issue 23, CiteID L23403
Mathematics
Logic
Global Change: Impacts Of Global Change (1225, 4321), Global Change: Land/Atmosphere Interactions (1218, 1843, 3322), Global Change: Regional Climate Change (4321), Global Change: Water Cycles (1836), Hydrology: Hydroclimatology
Scientific paper
Warm season climate warming will be a key driver of annual streamflow changes in four major river basins of the western U.S., as shown by hydrological model simulations using fixed precipitation and idealized seasonal temperature changes based on climate projections with SRES A2 forcing. Warm season (April-September) warming reduces streamflow throughout the year; streamflow declines both immediately and in the subsequent cool season. Cool season (October-March) warming, by contrast, increases streamflow immediately, partially compensating for streamflow reductions during the subsequent warm season. A uniform warm season warming of 3°C drives a wide range of annual flow declines across the basins: 13.3%, 7.2%, 1.8%, and 3.6% in the Colorado, Columbia, Northern and Southern Sierra basins, respectively. The same warming applied during the cool season gives annual declines of only 3.5%, 1.7%, 2.1%, and 3.1%, respectively.
Cayan Daniel R.
Das Tapash
Lettenmaier Dennis P.
Pierce David W.
Vano Julie A.
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