Welcome to COLBY

Sediment discharge using the Colby 1964 method

(c) 2001 V. M. Ponce, Version 2.1, April 15, 2001

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Enter mean velocity v:   

Enter mean flow depth d:   

Enter channel width B:   

Enter water temperatureT:   

Enter median bed-material size d50 (mm):   

Enter wash-load concentration Cw (ppm):   

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