Analysis of Water Budgets in Semi-Arid Lands from Soil Water Records

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Date
1995
Authors
Pilbean G.J
Daamen C.C
Simmonds L.P
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Abstract
Four components of the water budget for a growing season, namely storage, drainage, transpiration and direct evaporation from the soil surface, were estimated using a suite of techniques. The only data requirements were rainfall, neutron probe measurements of soil water content and microlysimeter measurements of evaporation from the soil. Data from four growing seasons at Kiboko, Kenya between 1990 and 1992 were used to provide examples of the estimations. Drainage was significant (about 10% of rainfall) in one season only; in the other seasons, total evaporation comprised at least 95% of the seasonal rainfall.
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Bulletin, 31, p. 131-149