1997—2021年四川省干旱时空变化特征分析
蔡怡亨, 李帅, 张强, 邓彪, 罗玉, 孙蕊

Spatio-temporal variation of drought in Sichuan Province from 1997 to 2021
CAI Yiheng, LI Shuai, ZHANG Qiang, DENG Biao, LUO Yu, SUN Rui
表2 1997—2021年四川省区域性干旱过程各特征变量及综合强度指数(Z)排名前5位的过程
Tab.2 Regional drought processes with the top 5 characteristic variable and comprehensive intensity index (Z) in Sichuan Province from 1997 to 2021
排位 D/d(过程) Aa/站(过程) Ia(过程) Z(过程)
1 201 (1997-07-18至1998-02-03) 83.62 (2012-12-21至2013-04-04) -2.30 (1997-01-01至1997-01-22) 0.60 (2012-12-21至2013-04-04)
2 136 (2000-12-19至2001-05-03) 70.60 (2009-02-04至2009-02-28) -2.23 (2009-11-01至2009-12-12) 0.48 (1997-07-18至1998-02-03)
3 130 (2011-08-09至2011-12-16) 70.02 (2002-08-29至2002-10-18) -2.20 (2010-01-02至2010-02-17) 0.43 (2006-06-10至2006-10-04)
4 117 (2006-06-10至2006-10-04) 65.45 (2010-01-02至2010-02-17) -2.15 (2011-08-09至2011-12-16) 0.43 (2011-08-09至2011-12-16)
5 105 (2012-12-21至2013-4-4) 60.81 (1997-07-18至1998-02-03) -2.15 (1998-11-01至1998-12-09) 0.41 (1999-01-11至1999-04-24)