2021年3月中国北方两次强沙尘天气污染特征
涂爱琴, 王珍珠, 朱庚华, 王治非, 张海, 张帅, 刘东, 翁宁泉

Pollution characteristics of two strong dust processes in northern China in March 2021
TU Aiqin, WANG Zhenzhu, ZHU Genghua, WANG Zhifei, ZHANG Hai, ZHANG Shuai, LIU Dong, WENG Ningquan
图8 2021年3月28—30日石家庄激光雷达消光系数(左)和退偏比(右)的时间-高度演变
Fig.8 The time-height evolution of extinction coefficient (the left) and depolarization ratio (the right) of Shijiazhuang lidar from 28 March to 30 March 2021