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WWRC 86-21
A New Technique for Measuring Fine Sediment Accumulation in Gravel Bed Streams


The collection and analysis of bed material samples has been a standard practice for determining the quantity of fine sediments (less than 3.4 mm diameter) in stream gravels. However, the sampling techniques currently In use can be labor and equipment intensive. Also, inaccuracy In quantification of the finer fractions can occur dependent upon bed material composition. This paper reports on a study which has evaluated the utility of a sediment trapping device for measuring fine sediment in the intergravel environment.

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