%0 Journal Article %T Decrease of both river flow and quality aggravates water crisis in North China: a typical example of the upper Yongding River watershed %A Dai, Dan %A Xu, Xiangqin %A Sun, Mingdong %A Hao, Chenlin %A Lv, Xubo %A Lei, Kun %J Environmental Monitoring and Assessment %V 192 %N 7 %@ 0167-6369 %D 2020-06-08 %I Springer International Publishing %~ DeepDyve