1LAN Yong-chao1, KANG Er-si1, MA Quan-jie2, ZHANG Ji-shi1, CHEN Ren-sheng1 (1. Cold and Arid Regions Environmental and Engineering Research Institute, CAS, Lanzhou 730000, China,2. Hydrology and Water Resources Bureau of the Upper Yellow River Basin, L.Runoff of the upper Yellow River above Tangnag: characteristics, evolution and changing trends[J].Journal of Geographical Sciences,2001,11(3):297-304. 被引量:5