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) |
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