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5 7月JPI负指数回归的同期整层水汽通量(矢量,通过α=0.05的显著性检验,单位:kg·m-1·s-1)及水汽通量散度(填色区,单位:10-5 kg·m-2·s-1)距平场(a)和120°E—135°E范围平均垂直速度距平的纬度-高度剖面(b,等值线,单位:10-2 Pa·s-1
(灰色区通过α=0.05的显著性检验)
Fig.5 The anomaly fields of contemporaneous integrated water vapor flux (vectors, passing significance test at 0.05 level, Unit: kg·m-1·s-1) and water vapor flux divergence (shaded areas, Unit: 10-5 kg·m-2·s-1) (a), and the latitude-height profile of average vertical velocity anomaly over 120°E-135°E (b, contours, Unit: 10-2 Pa·s-1) regressed by negative JPI in July
(The grey areas pass the significance test at 0.05 level)