[1] Nanjing Univ Informat Sci & Technol NUIST, Sch Appl Meteorol, Nanjing 210044, Peoples R China
[2] Univ Massachusetts, Dept Environm Hlth Sci, Morrill 1,N344, Amherst, MA 01003 USA
[3] IDAEA CSIC, Inst Environm Assessment & Water Res, C-Jordi Girona 18-26, Barcelona 08034, Spain