Sedimentation in small dams. Hydrology and drawdown computations

Lawrence, P. (2004) Sedimentation in small dams. Hydrology and drawdown computations. Project Report. HR Wallingford Ltd.

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Abstract

The British Government's Department for International Development commissioned HR Wallingford to carry out a study to develop guidelines presenting appropriate methods for predicting, and where possible reducing, siltation rates in small communal dams in semi-arid zones in Eastern and Southern Africa. Typical small dam designers must be able to use these methods; they usually have access to only limited local data, need to carry out assessments rapidly, or may not have software skills or computers. The report describes procedures used in the guidelines to carry out the hydrological computations needed to support the design of small dams and to predict future siltation.

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