2020年7月黑龙江极端少雨成因初探
娄德君, 李永生, 王永光, 陈晨, 张健

Preliminary study on the causes of extremely less precipitation in Heilongjiang Province in July 2020
LOU Dejun, LI Yongsheng, WANG Yongguang, CHEN Chen, ZHANG Jian
图7 7月JPI负指数回归的前期5月大气热源距平场(等值线)分布(单位:W·m-2
(深、浅灰色区分别通过α=0.01、0.05的显著性检验)
Fig.7 The distribution of atmospheric heat source anomaly field in May (contours) regressed by negative JPIin July (Unit: W·m-2
(Dark and light grey areas pass the significance tests at 0.01and 0.05 level, respectively)