Waste Isolation Safety Assessment Program: a comparison of evapotranspiration estimates using DOE Hanford climatological data
Description: Three methods of estimating monthly values of evapotranspiration on a year-round basis were compared by using the same set of long-term Hanford climatological data as input. Potential evapotranspiration calculated by all three methods yielded an annual value 5 to 9 times the mean annual precipitation. One method yields a value for actual evapotranspiration and one yields a value for areal evapotranspiration. These are compared on a monthly basis and show quite different distributions over the year. The third method examined is relatively new, was calibrated using data from arid stations, and yields results that may be more truly representative of arid areas like Hanford.
Date: October 1, 1978
Creator: Wallace, R.W.
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