夏季青藏高原及周边地区大气热源与川渝盆地高温日数年际变化的关系

黄小梅, 周长艳, 庞轶舒, 于浩慧, 甘薇薇

Relationship between atmospheric heat source over the Qinghai-Xizang Plateau and its surrounding area and annual variation of high temperature days in Summer in Sichuan-Chongqing Basin

HUANG Xiaomei, ZHOU Changyan, PANG Yishu, YU Haohui, GAN Weiwei

图7 1979－2022年夏季负ITPE回归的同期200 hPa (a、b)、500 hPa (c、d)和700 hPa (e、f)位势高度场（等值线，单位：gpm）（a、c、e）及风场（箭矢，单位：m·s-1）（b、d、f） （蓝色箭矢表示达到90%的置信水平，绿色阴影表示辐合区）

Fig.7 The geopotential height field (contours, Unit: gpm) (a, c, e), wind field (arrows, Unit: m·s-1) (b, d, f) at 200 hPa (a, b), 500 hPa (c, d), 700 hPa (e, f) in the same period regressed by using the negative ITPE in summer from 1979 to 2022 (The confidence level of blue arrows is 90%, and the green shaded represents the convergence zone)