基于防风固沙服务空间流动的区域关联度——以京津风沙源治理工程区为例
张彪, 王爽, 李庆旭, 谢高地

Regional correlation degree derived from the sand-fixing service spatial flow: A case study of the Beijing-Tianjin sandstorm control engineering area
Biao ZHANG, Shuang WANG, Qingxu LI, Gaodi XIE
图2 2015年工程区风频与月均最大风速
Figure 2 Wind frequency and monthly highest wind speed of the Beijing-Tianjin sandstorm control engineering area, 2015