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Scientific Investigations Report 2013–5014


Evapotranspiration from Wetland and Open-Water Sites at Upper Klamath Lake, Oregon, 2008–2010


Table 14. Mean growing season, non-growing season, and annual evapotranspiration (ET) of Tule Lake NWR fallowed cropland during 2000, and Upper Klamath Lake NWR wetland during 2008–2010, in meters. 


[Fallowed cropland growing-season ET is from Bidlake (2002). Wetland ET measured using eddy covariance method (this study). Non-growing season fallowed cropland ET assumed equal to wetland ET during the same time of year. Annual ET is the sum of growing season and non-growing season ET. Abbreviations: NWR, National Wildlife Refuge]


  Tule Lake NWR

fallowed crops
Upper Klamath Lake

NWR wetland
Growing season 0.435 0.718
Non-growing season 0.220 0.220
Annual 0.655 0.938

First posted March 4, 2013

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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