Affiliation: | (1) Department of Earth Sciences, Hydrology, Uppsala University, Villavägen 16, S-75236 Uppsala, Sweden;(2) Department of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, Louisiana, 70803-6405, U.S.A.;(3) Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, P. R. China |