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Water forecasts in Western U.S. have not improved in 40 years mongabay.com February 16, 2007
Speaking at the American Association for the Advancement of Science annual meeting in San Francisco Friday, Dennis Lettenmaier, professor of civil and environmental engineering at the University of Washington discuss the importance of science in water management in the western U.S. "If you know how much snow is on the ground in the spring, you have a pretty good idea of how much runoff will occur during the spring and summer," Lettenmaier said. "That's something that's been used for a long time. The question is: can we do better than that?"
Lettenmaier will further note the impending impact of climate change. "Water managers are beginning to feel a crunch related to climate change," stated a release from UW. "Springtime melt now starts some 20 days earlier than a half-century ago, which is "pretty unequivocally" seen as a signature of climate change... The shift results in a bigger gap between when the fresh water flows down from the mountains and when it actually is most needed in the height of summer. Climate change constitutes an additional challenge, on top of factors such as population movement, agriculture changes and water use changes, that managers must contend with." Such information could help water managers better plan reservoirs and warn farmers about impending droughts or floods said Lettenmaier. The West-Wide Seasonal Hydrologic Forecast System is described at http://www.hydro.washington.edu/forecast/westwide This article is based on a news release from the University of Washington. Comments? News options
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