Use of the Penman Equation in Inter-Mountain Valleys

by Christopher M. U. Neale, USDA, United States,
Ronald E. Yoder, USDA, United States,
Gordon Kruse, USDA, United States,



Document Type: Proceeding Paper

Part of: Planning Now for Irrigation and Drainage in the 21st Century

Abstract: H.L. Penman equation as well as the J.L. Monteith version of this equation were compared under the advective conditions of the Grand Valley of Colorado. The wind function in the general form of the equation was calibrated using concurrent climatic data and alfalfa evapotranspiration measured with hydraulic weighing lysimeters. The advective conditions in the valley were assessed.

Subject Headings: Advection | Water resources | Measuring instruments | Vegetation | Wind engineering | Calibration | Climates | Hydrologic data | North America | Colorado | United States

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