酒额铁路酒泉至东风段典型沙害区段风沙环境特征

李强

Characteristics of aeolian environment in typical sand-hazard sections along the Jiuquan-Dongfeng section of Jiuquan-Ejin Banner Railway

Qiang Li

图3 DK78（A）和DJK169（B）砾质戈壁、DJK207处沙砾质戈壁（C）及DK105干湖盆沙漠交错区（D）下垫面照片

Fig.3 Ground pictures of gravel gobi in DK78 （A） and DJK169 （B）， sandy gobi in DJK207 （C） and the ecotone between surfaces of dry lake and desert in DK105 （D）