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Watershed Soil Detachment and Transportation Factors¹

ABSTRACT

Quantification of sediment yields from agricultural watersheds requires that consideration be given to spatial and temporal variations in the parameters known to influence soil erosion by water. This includes accounting for variations in rainfall and runoff, the energy sources, on a storm-by-storm basis. Also to be considered are the distribution of watershed topography, soils, tillage practices. and vegetation which influence the degree of erosion or deposition. These factors are discussed with regard to simulation of the erosion-deposition continum on agricultural watersheds.

Key Words: sediment transport • watershed sediment yields

¹ Contribution from the North Central Soil Conservation Research Center, ARS, USDA, Morris, Minn. 56267, in cooperation with the Minn. Agr. Exp. Sta. Science Journal Series No. 8475.

² Agricultural Engineer, USDA and Assistant Professor; and Soil Scientist, USDA and Professor, Univ. of Minn., respectively.

Received for publication February 8, 1974.