考虑下垫面类型的干旱指数比较研究
王展鹏,宋立生,兰子焱,杨梦颖,鲁丹

Evaluation of Drought Indices of Metrology, Hydrology and Agriculture over the Continental United States
Zhanpeng Wang,Lisheng Song,Ziyan Lan,Menying Yang,Dan Lu
图5 2012年干旱形成过程对比分析
Fig. 5 The comparative analysis of drought formation process in 2012