毛乌素沙地无定河上游河岸沙丘地貌格局及风水交互作用

王佳琪, 李小妹, 刘小槺, 董苗

Landscape pattern and variation of riparian dunes and the aeolian-fluvial interaction in the upper reaches of Wuding River in Mu Us Sandy Land

Jiaqi Wang, Xiaomei Li, Xiaokang Liu, Miao Dong

图9 1990—2020年榆林站年平均气温（A）和年降水量（B）变化趋势

Fig.9 Trends of annual mean temperature （A） and precipitation （B） from 1990 to 2020 at Yulin Station