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1997—2021年四川省干旱时空变化特征分析
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Spatio-temporal variation of drought in Sichuan Province from 1997 to 2021
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图3. 1997—2021年四川省年累积持续干旱站点数和年干旱受灾面积变化 |
Fig.3. Variations of annual accumulated number of stations with persistent drought and annual drought disaster area in Sichuan Province from 1997 to 2021 |
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