中国400 mm等降水量变迁与干湿变化研究进展
高艳红, 许建伟, 张萌, 姜凤友

Advances in the Study of the 400 mm Isohyet Migrations and Wetness and Dryness Changes on the Chinese Mainland
Yanhong Gao, Jianwei Xu, Meng Zhang, Fengyou Jiang
图2 19612019年中国平均降水量和不同年代400 mm等降水量线位置的变化
Fig.2 Distributions of the annual mean precipitation and locations of decadal mean 400 mm isohyet in 1961-2019 in the mainland of China