我国干旱半干旱区近60 a气象干旱气候特征分析
Analysis of climatic characteristics of meteorological drought in arid and semi-arid regions of China in recent 60 years
我国干旱半干旱区近60 a气象干旱气候特征分析 |
| 李春华, 朱飙, 杨金虎, 黄鹏程 |
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Analysis of climatic characteristics of meteorological drought in arid and semi-arid regions of China in recent 60 years |
| LI Chunhua, ZHU Biao, YANG Jinhu, HUANG Pengcheng |
| 图5 1991—2020年与1961—1990年我国干旱半干旱气候区轻旱（a）、中旱（b）、重旱（c）、特旱（d）发生日数差值的空间分布（单位：d） |
| Fig.5 The spatial distribution of the difference of the occurrence days of partial drought (a), moderate drought (b), severe drought (c) and extreme drought (d) between 1991-2020 and 1961-1990 in the arid and semi-arid climate regions of China (Unit: d) |
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