基于RUSLE模型的黑河流域土壤侵蚀评价

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关键词：土壤侵蚀；RUSLE模型；评价；空间分析；黑河流域

中图分类号：S157.1；X144 文献标识码：A

文章编号：0439-8114（2026）01-0031-05

DOI：10.14088/j.cnki.issn0439-8114.2026.01.006 开放科学（资源服务）标识码（OSID）：口

SoilerosionevaluationintheHeiheRiverBasinbasedontheRUSLEmodel

ZHANG Jia-kang1，WU Xin-rui'，JIANG Ya-ru1，HUA Cheng-hao1，SONG Kai-wen1，CHENG Yu-xiang1，2 （1.CollgofolalEdaianUsii;yboolal Disaster Prevention，MinistryofNaturalResources，Xi'an 71Oo54，China）

Abstract：ToasesssoilerosionconditionsintheHeiheRiverBasinandtheirpotentialimpactonthesecurityofwatersources，GIS techniquescombinedwiththeRUSLEmodelwereusedtoquantitativelyestimatethesoilerosionmodulus.Tespatialpatesandprimaryinfluencingfactorsintheregionwereanalyzed.Resultsindicatedthatsoilerosioninthebasinwaspredominantlyslightorlight， accounting for 91.44% of the total area；moderate erosion zones occupied 7.58% ；and severe and extremely severe erosion areas were minimal，accounting for only 0.98% of the total area，and showed a spatial distribution trend of higher in the south and lower inthe north.High-intensityerosinareas weresparselydistributedonmountaintopsinthesouthwestandonslopingfarmland invalleys.Theanalysisofifuencingactorsrevealedtatterainslope，vegetatoncoverageandumanactivitieswerethkeyfactorsde termining the spatial variation of soil erosion in this region.

KeyWords：soil erosion;RUSLE model;evaluation;spatial analysis；HeiheRiver Basin

作为土壤退化的重要形式，土壤侵蚀主要是指在外力作用下，土壤及其母质被分散、剥离、搬运与沉积的过程[1。（剩余6686字）