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Elevation — A Bias Error in SCS Blaney Criddle ET Estimates

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Transactions of the ASAE. 27 (1): 0125-0128. (doi: 10.13031/2013.32747) @1984
Authors:   Larry O. Pochop, John Borrelli, Robert Burman

ABSTRACT ELEVATION adjustments for evapotranspiration estimates are investigated. Bluegrass and alfalfa data from throughout the Western states are used to determine an elevation adjustment for the SCS Blaney Criddle formula. Six to ten percent upward adjustment per 1000 m altitude increase above sea level is required for calculated evapotranspiration.

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