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5 2022年DK78、DK105、DJK169和DJK207起沙风频率玫瑰图

Fig.5 Sand-driving wind frequency roses of DK78， DK105， DJK169 and DJK207 in 2022