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Evapotranspiration Estimates from Eddy Covariance Tower in Arid and Semi-Arid Areas

The Fukang Station of Desert Ecology is the desert grassland ecosystem. The objective of this paper is to based on the character of latent heat flux in one day measured by eddy covariance tower site during the growing season, the fitting equations of monthly average latent heat flux of grass are obtained in the desert ecology system and the mean R2 is 0.93. It is important to the time scale extended of ET in arid areas and semi-arid areas.