Wet-dry changes in the borderland of Shaanxi, Gansu and Ningxia from 1208 to 1369 based on historical records

DAI Junhu, GE Quansheng, XIAO Shufang, WANG Mengmai,WU Wenxiang, CUI Haiting

Journal of Geographical Sciences . 2009, (6): 750 -764 . DOI: 10.1007/s11442-009-0750-4