西北地区东部春夏季旱涝转换环流特征及其与大西洋海温的关系

张雯, 马阳, 王素艳, 王岱, 李欣

Circulation characteristics of drought-flood transition from spring to summer over the east region of Northwest China and its relationship with Atlantic sea surface temperature

ZHANG Wen, MA Yang, WANG Suyan, WANG Dai, LI Xin

图4 1979—2020年DFAI与上年冬季（a）、当年春季（b）及夏季（c）大西洋SST异常的相关系数分布 （打点区域通过95%置信水平的显著性检验，深红色实框区域为大西洋SST异常关键区）

Fig.4 The correlation coefficients between DFAI and the Atlantic SST anomalies in the previous winter （a） and spring （b）， summer （c） of the current year during 1979-2020 （The dotted is for correlation coefficients passing the significance test at the 95% confidence level， the dark red outlined is the key area of the Atlantic SST anomalies）