Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Evaporation from Free Water Surfaces at High Altitudes
In the western United States, losses due to evaporation from reservoirs and lakes at high altitudes are of importance as an element affecting the net water supply available for the irrigation of crops, the production of power, and municipal and industrial purposes. Except in unusual instances, the evaporation rate cannot be measured directly from large water areas. Thus, it is a common practice to measure the evaporation rate of water from pans, and, using coefficients, a reduction is made of the pan evaporation measurement to the lake evaporation value. At high altitudes it is seldom possible to measure the evaporation rate during the winter months because the water in the pans freezes. The paper presents data concerning evaporation of water in several western states, and develops a method of estimating monthly evaporation for the entire year from temperature measurements and other data.
Evaporation from Free Water Surfaces at High Altitudes
In the western United States, losses due to evaporation from reservoirs and lakes at high altitudes are of importance as an element affecting the net water supply available for the irrigation of crops, the production of power, and municipal and industrial purposes. Except in unusual instances, the evaporation rate cannot be measured directly from large water areas. Thus, it is a common practice to measure the evaporation rate of water from pans, and, using coefficients, a reduction is made of the pan evaporation measurement to the lake evaporation value. At high altitudes it is seldom possible to measure the evaporation rate during the winter months because the water in the pans freezes. The paper presents data concerning evaporation of water in several western states, and develops a method of estimating monthly evaporation for the entire year from temperature measurements and other data.
Evaporation from Free Water Surfaces at High Altitudes
Blaney, Harry F. (Autor:in)
Transactions of the American Society of Civil Engineers ; 123 ; 385-395
01.01.2021
111958-01-01 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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