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Three Recent Flavors of Drought in the Pacific Northwest Public Deposited

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  • In common with much of the western United States, the Pacific Northwest (defined in this paper as Washington and Oregon) has experienced an unusual number of droughts in the past decade. This paper describes three of these droughts in terms of the precipitation, temperature, and soil moisture anomalies, and discusses different drought impacts experienced in the Pacific Northwest (PNW). For the first drought, in 2001, low winter precipitation in the PNW produced very low streamflow that primarily affected farmers and hydropower generation. For the second, in 2003, low summer precipitation in Washington (WA), and low summer precipitation and a warm winter in Oregon (OR) primarily affected streamflow and forests. For the last, in 2005, a lack of snowpack due to warm temperatures during significant winter precipitation events in WA, and low winter precipitation in OR, had a variety of different agricultural and hydrologic impacts. Although the proximal causes of droughts are easily quantified, the ultimate causes are not as clear. Better precipitation observations in the PNW are required to provide timely monitoring of conditions leading to droughts to improve prediction in the future
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  • Bumbaco, Karin A., Philip W. Mote, 2010: Three Recent Flavors of Drought in the Pacific Northwest. Journal of Applied Meteorology and Climatology, 49, 2058–2068.
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  • 49
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  • 9
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  • Funding for this research was provided in part by the State ofWashington through funding to theOffice of Washington State Climatologist. This publication is (partially) funded by the Joint Institute for the Study of the Atmosphere and Ocean (JISAO) under NOAA Cooperative Agreement NA17RJ1232, Contribution 1744.
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  • description.provenance : Made available in DSpace on 2012-02-22T22:02:25Z (GMT). No. of bitstreams: 1 MotePhilipW.CEOAS.ThreeRecentFlavors.pdf: 2602683 bytes, checksum: e8fea9dff294924d6a266e5a5e6b08a3 (MD5) Previous issue date: 2010-09
  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2012-02-22T22:02:25Z No. of bitstreams: 1 MotePhilipW.CEOAS.ThreeRecentFlavors.pdf: 2602683 bytes, checksum: e8fea9dff294924d6a266e5a5e6b08a3 (MD5)

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