干旱区路基边坡水土保持措施效益评价

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关键词干旱区；植被类型；土壤侵蚀；地表径流中图分类号S157文献标识码A文章编号 0517-6611（2026）01-0191-03doi：10.3969/j. issn.0517-6611.2026.01.037

开放科学（资源服务）标识码（OSID）：

Benefit Evaluation of Soil and Water Conservation Measures for Roadbed Slopes in Arid Areas

MUIUIW uanzHuu，Gansu tJvvvvj AbstractThisarticleaalysthbenefitsofoldwaterconsevationmeasuresforteroadedsosinWuzogareaoftengi tiof heYidlayytigfouienteatiot，aelytractyldesmaocepla（C），bindc cia（AF），Caragana（CK），andLcumbarbarum（LC）forfieldexperiments，theimpactonsoilerosionandsurfacerunoffwasevauated. Theresultsshowtattrearesigniiantdiferencsisandductioeneitsndfductionnefisamongdifrentvegeatioty，- mongwhichACvgetatioperfostest，withasigniicatlyhighersoilrosioneductioateandsuaceuofreductioatehaoter types.The average reduction rate of soil erosion is as high as 43.66% ，and the average reduction rate of surface runoff is 75.28% . The order of soil erosion reduction rate by vegetation type is AC ∴（43.66% ）>AF（ 26.27% ） >CK（19. 53% ）>LC（15.64%），and the order of surface runoff reduction rate is AC （75.28%）>AF （ 59.32% ）） >CK （ 38.95% ）>LC（ 28.87% ）.Inaddition，there isa significant positive correlation betwensurfacecoverageandthereductionrateofoilerosionandsurfacerunoffwhich proves theimportanceofvegetationcoverage.

Key wordsArid region; Vegetation type;Soil erosion;Surface runoff

在干旱至半干旱地区，路基边坡的水土流失问题一直是制约交通基础设施建设与生态环境可持续发展的重大挑战[1]。（剩余4772字）