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BS 3680-5 1992 Edition, October 15, 1992
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Measurement of Liquid Flow in Open Channels Part 5: Slope Area Method of Estimation
Includes all amendments and changes through Reaffirmation Notice , November 1, 2007
Page Count:18
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Method of determining liquid flow from observations of surface slope and cross-sectional area of channel. It is suitable for use under somewhat special conditions when direct measurement of discharge by more accurate methods, such as the velocity-area method, is not possible.