作者单位: | XIE Yun(Beijing Normal University, Key Laboratory of Environmental Change and Natural Disaster, Ministry of Education of China,Beijing 100875, P. R. China);James R.Kiniry,Jimmy R.Williams(Uaited state Department of Agriculture, Agricultural Research Service/Grassland, Soil and Water Research Lab, Texas 76502, U.S.A);CHEN You-min,LIN Er-Da(Institute of Agricultural Meteorology, Chinese Academy of Agricultural Sciences, Beijing 100081,P.R.China) |