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A Formula to Express Evapotranspiration as a Function of Soil Moisture and Evaporative Demands of the Atmosphere

1969

A mathematical expression was developed and tested which describes the relation between evapotranspiration and soil moisture. A general premise of this mathematical model is that the evapotranspiration-soil moisture relationship is determined by interaction of climatic, soil and plant factors. The basic model is dETa/dYs = -ke[1-(ETa/ETmx)] in which ETa is the actual evapotranspiration, Ys is the total soil water potential, k is a proportionality coefficient , E is the soil moisture extraction

doi:10.26076/0cef-206c
fatcat:vfuiblpsengjnj4wpay3v3e2ju