Analysis of Sediment Source of Watershed in Western Shanxi of the Loess Plateau-中国期刊网

摘要 ThepaperanalyzesthesedimentsourceofwatershedbymeansofstudyingwatershedinwestemShanxioftheLossesPlateau.Onthebasisofwatershedsclassification,7typicalwatershedswerechosenandobservedfor11years.Theresultshowsthatthesedimentatthesmallwatershedmainlycomesfromgullies,whichis60%ofthetotalsediment.Erosionmodulusofvalley(includinggullyhead,gullybed,valleyside)is1.28-2.48timesasthatoftheareabetweenchannels(includinghillslopeandmoundoftheLoessPlateau).Themainsedimentsourceofslopeerosioniscultivatedlandonslopewithoutwaterandsoilconservationmeasures.

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Analysis of Sediment Source of Watershed in Western Shanxi of the Loess Plateau

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Analysis of Sediment Source of Watershed in Western Shanxi of the Loess Plateau

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