四川盆地霾天气过程水汽演化特征及与大气能见度的关系

朱瑶, 唐露, 倪长健, 李娜, 唐得智, 李昕翼

Evolution characteristics of water vapor and its relationship with atmospheric visibility during haze processes in Sichuan Basin

ZHU Yao, TANG Lu, NI Changjian, LI Na, TANG Dezhi, LI Xinyi

表3 2015—2018年四川盆地冬季霾天气过程各阶段各层次水汽含量

Tab.3 Water vapor content in different layers in four stages of the winter haze processes over the Sichuan Basin from 2015 to 2018

阶段 700 hPa及以下 700~500 hPa 500~300 hPa 1 000~300 hPa 形成期 9.08±1.91 2.63±0.74 0.51±0.17 13.30±4.48 发展期 10.37±2.27 3.01±0.88 0.62±0.21 22.75±8.05 持续期 12.58±2.56 3.81±0.95 0.87±0.39 27.23±9.50 消亡期 12.04±2.12 3.49±1.01 0.67±0.36 25.48±9.08 平均 11.63±2.60 3.44±1.01 0.73±0.36 24.44±9.57