Measured and Predicted Evaporation at Pasaje, Ecuador

by M. Riazul Hasan, (M.ASCE), Hyro.; Sir William Halcrow and Partners, London, England,
Peris S. Jones, (M.ASCE), Engr.-Hydro.; Sir William Halcrow and Partners, London, England,

Serial Information: Journal of the Irrigation and Drainage Division, 1972, Vol. 98, Issue 3, Pg. 511-516

Document Type: Journal Paper


To determine the water requirements of bananas and certain other crops in the coastal region of the Jubones River basin, southern Ecuador, a study was made of the measured and computed evaporation regimes based on the Class A pan. Piche evaporimeter and climatic data covering 84 months at one station in the project area. This note summarizes the results of the study and provides some evidence showing that certain empirical evapotranspiration formulas are less sensitive under climatic conditions other than those under which they were developed.

Subject Headings: Evaporation | Developing countries | Case studies | Crops | Sea water | Rivers and streams | Basins | Light rail transit | Ecuador | South America

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