1735—1911年汉江流域季节旱涝等级序列的重建与特征分析

丁玲玲, 郑景云

Reconstruction and characteristics analysis of series of seasonal drought/flood grades over Hanjiang River Basin during 1735-1911

DING Lingling, ZHENG Jingyun

图1 汉江流域古今行政区划范围

Fig. 1 Map of administrative division at Han River Basin during Qing dynasty