Palmer干旱指数、地表湿润指数与降水距平的比较
卫捷,马柱国
Comparison of Palmer Drought Severity Index, Percentage of Precipitation Anomaly and Surface Humid Index
WEI Jie, MA Zhuguo
地理学报 . 2003, (7s): 117 -124 .  DOI: 10.11821/xb20037s014