A spatially distributed model for the dynamic prediction of sediment erosion and transport in mountainous forested watersheds
作者： Colleen O Doten , Laura C Bowling , Jordan S Lanini , Edwin P Maurer , Dennis P Lettenmaier
DOI: 10.1029/2004WR003829
关键词: Mass wasting 、 Hydrology 、 Geology 、 WEPP 、 Sediment transport 、 Tributary 、 Channel (geography) 、 Sediment 、 Erosion 、 Sedimentary budget 、 Water Science and Technology
摘要: [1] Erosion and sediment transport in a temperate forested watershed are predicted with new model that represents the main sources of generation environments (mass wasting, hillslope erosion, road surface erosion) within distributed hydrology-soil-vegetation (DHSVM) environment. The produces slope failures on basis factor-of-safety analysis infinite through use stochastically generated soil vegetation parameters. Failed material is routed downslope rule-based scheme determines delivery to streams. Sediment from hillslopes surfaces also transported channel network. A simple routing implemented predict basin yield. We demonstrate an initial application this Rainy Creek catchment, tributary Wenatchee River, which drains east slopes Cascade Mountains, plausible yield ratios landsliding erosion when compared published rates for similar catchments Pacific Northwest. removal scenario basin-wide fire both evaluated model.
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