Measuring Evapotranspiration from Atmospheric Data

by George S. Benton, (A.M.ASCE), Associate Prof. of Civ. Eng.; The Johns Hopkins Univ., Baltimore, Md.,
Jack Dominitz, Research Asst.; Inst. for Cooperative Research, The Johns Hopkins Univ., Baltimore, Md.,

Serial Information: Journal of the Hydraulics Division, 1956, Vol. 82, Issue 4, Pg. 1-26

Document Type: Journal Paper


Method of evaluating evapotranspiration based on mass balance of water vapor in atmosphere; results are compared with hydrologic data and with empirical method of estimating evapotranspiration; although accurate values of evapotranspiration can be obtained for large areas such as entire continent, accuracy of method is reduced as size of area under consideration is decreased.

Subject Headings: Evapotranspiration | Hydrologic data | Water balance | Gases | Empirical equations

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