[1] Ponce Victor M. The 800-mm isohyet:Health and hope[EB/OL].[s.n.] http://800mm.sdsu.edu/. [2] 水学家. 带来福祉的降雨量[EB/OL].[2011-05-08] [2018-02-10]. http://blog.sina.com.cn/s/blog_6f3614700100rf6v.html. [3] Global Average Annual Sum Precipitation (mm) for MIROC 3.2 SRES A1B medres at a 1/2 Degree Grid Resolution2070-2099[EB/OL] [2010-3-30] [2018-02-10] https://databasin.org/datasets/86ff9dc2c6bd4b11855286cafc420b83.