长江流域非典型少雨型主汛期环流特征及其影响机制分析
王海燕, 王孝慈, 张灵, 周耘逸, 孟英杰

Analysis of circulation characteristics and influencing mechanisms of atypical below-normal precipitation type during main flood season over the Yangtze River Basin
WANG Haiyan, WANG Xiaoci, ZHANG Ling, Zhou Yunyi, MENG Yingjie
表1 1990—2025年弱拉尼娜事件结束年份对应的前冬及当年春季青藏高原积雪面积距平
Tab.1 Anomalies of snow cover area over the Qinghai-Xizang Plateau in previous winter and concurrent spring for weak La Ni?a event ending years during 1990-2025
弱拉尼娜事件结束年 积雪面积距平
前冬 当年春季
1996 -0.11 -0.22*
2001 -0.37* -0.08
2006 -0.21* -0.07
2009 -0.34* -0.06
2018 -0.20* 0.16
2021 -0.27* -0.17*
2023 -0.14 -0.03
2025 -0.05 0.17