Evaporation from an Ephemeral Streambed

by Michael L. Sorey,
William G. Matlock,

Serial Information: Journal of the Hydraulics Division, 1969, Vol. 95, Issue 1, Pg. 423-438

Document Type: Journal Paper


Daily evaporation was measured for sands that dry without contact with a water table. Selected sands from an ephemeral streambed were packed in cylinders, wetted, and weighed to determine evaporation loss under field climatic conditions. In summer and early fall tests, first-day evaporation from the sands was less than half the loss from an adjacent Class A Weather Bureau pan. During the first week, evaporation rates for the sands were lower than those reported for irrigated soil. The maximum depth of drying during the three-week tests was less than one foot.

Subject Headings: Evaporation | Soil loss | Soil water | Water table | Cylinders | Climates | Sandy soils | Irrigation

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