Spatial distribution of wind erosion and its driving factors in China

在线阅读 下载PDF 导出详情
摘要 Basedonremotesensingandgeographicinformationsystem,thespatialdistributionofnation-widewinderosionisstudied,andthe1:100000nationalmapofsoilerosionbywindinChinaismade.Windspeed,soildryness,NDVI,soiltextureandtheslopeoflandsurfacearethekeyfactorstowinderosion.Therelationsbetweenwinderosionandeachfactorarediscussed.Themethodofprincipalcomponentisusedtopickuptheinformationincludedinthefivefactors,andthewinderosiondynamicindex(WEDI)isestablished.ItscomparisonwiththeRS/GISderiveddatashowsthatWEDIcanreflectthepotentialcapacityofsoilerosionbywind.Thedynamicprocessofthewinderosionisstudiedtorevealthedistributionofthemostintensewinderosionregionsandthedominantfactorsintheseregions.Allthesestudiesmaygreatlyhelpthemitigationofwinderosionofsoil.
机构地区 不详
出处 《地理学报:英文版》 2001年2期
出版日期 2001年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
  • 相关文献