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作 者:吴妮晏 赵清越 WU Niyan;ZHAO Qingyue(CAAC Southwest Air Traffic Management Bureau,Chengdu 610202,China)
机构地区:[1]民航西南空管局,成都610202
出 处:《高原山地气象研究》2024年第4期135-141,共7页Plateau and Mountain Meteorology Research
基 金:民航西南空管局科技项目(基于国际先进培训体系的航空气象课程开发与研究)。
摘 要:为了探究天府与双流机场辐射雾气象特征异同,本文利用自动气象观测系统数据、机场人工观测数据及ERA5再分析数据,对2022年1月9日辐射雾过程两机场的气象特征进行对比分析。结果表明:双流机场的基础温度略低,湿度条件稍好,前期有明显逆温层形成,起雾时间偏早;辐射雾过程后期,双流机场受低云影响气温上升,升温幅度较大,近地面一直为水汽通量辐散,没有水汽补充,同时02R跑道端04:00后风速明显增大,扰动加强,不利于雾的维持。天府机场的升温幅度较双流小,且近地面维持水汽通量辐合,有水汽补充,同时风力也较弱,有利于雾的维持。In order to explore the similarities and differences in the meteorological characteristics of radiation fog between Tianfu and Shuangliu airports,the meteorological characteristics of the radiation fog on January 9,2022 at both airports were compared by using the data of automatic meteorological observation system,airport manual observation data and ERA5 reanalysis data.The rusults show that the basic temperature at Shuangliu Airport was slightly lower,with better humidity condition,and a significant inversion layer formed in the early stage,leading to an earlier fog formation.During the later stages of the radiation fog process,the temperature rose due to the influ-ence of low clouds at Shuangliu Airport,and the temperature rise range was large.The near-surface water vapor flux diverged and there was no water vapor supplement.At the same time,the wind speed at the end of the 02R runway increased significantly after 04:00,and the disturbance was strengthened,which was not conducive to the maintenance of fog.The temperature rise of Tianfu Airport was smaller than that of Shuangliu,and the water vapor flux convergence was maintained near the ground,with water vapor replenishment,and the wind was also weak,which was conducive to the maintenance of fog.
分 类 号:P426.4[天文地球—大气科学及气象学]
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