Mechanics of Evapo-Transpiration

by D.W. Hendricks,
V.E. Hansen,

Serial Information: Journal of the Irrigation and Drainage Division, 1962, Vol. 88, Issue 2, Pg. 67-84

Document Type: Journal Paper


Fundamental mechanisms involved in transpiration and evaporation are analyzed; manner in which physical factors in these mechanisms act to determine instantaneous transpiration rate, are examined by use of concepts of fluid mechanics; these factors are expressed in Darcy's law, continuity equation, and power equation; variables in these equations are functions of soil, plant, and weather factors.

Subject Headings: Evapotranspiration | Transpiration | Soil analysis | Power plants | Fluid mechanics | Soil water movement | Continuity equations

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