2012年中美两国干旱的对比分析
刘书言,荣艳淑,吕星月,殷雨婷

Comparative Analysis of Drought in China and the United States in 2012
Shuyan LIU,Yanshu RONG,Xingyue LYU,Yuting YIN
图9 2012年西太平洋副热带高压和北美—北大西洋副热带高压指数距平逐月变化
(a)面积指数,(b)强度指数,(c)北界位置指数,(d)西伸脊点指数
Fig.9 The monthly changes of anomalies of the western Pacific subtropical high index and North American-North Atlantic subtropical high index in 2012
(a) area index, (b) intensity index, (c) northern boundary position index, (d) western extension ridge point index