ZhaoY., ZhangM. X., CaoH. W., YuX. X., LiuB., ZhuS. B., ChengC., YinL. X., and XieG. “Effect of Climatic Change and Afforestation on Water Yield in the Rocky Mountain Area of North China”. Forest Systems, Vol. 24, no. 1, June 2015, p. e014, doi:10.5424/fs/2015241-06322.