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一次平流雾的形成和传播特征研究
王博妮1, 张雪蓉2, 濮梅娟3, 王宏斌2, 陈玉石1
(1.江苏省气象服务中心;2.江苏省气象科学研究所;3.江苏省气象台)
Investigation on the characterization of the formation and spread of an advection fog
WangBoni1, ZHANGXuerong2, PU Meijuan3, wanghongbing2, chenyushi1
(1.Jiangsu Meteorological Service Center;2.Jiangsu Institute of Meteorological Sciences;3.Jiangsu Meteorological Observatory)
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投稿时间:2017-11-08    修订日期:2019-01-16
中文摘要: 2013年3月18日—19日,江苏出现了一次罕见的平流雾过程,雾区先在长江北岸形成,继而向苏北传播。本文对这次平流雾的形成机理及特征进行了分析,并对雾区的传播机制进行了研究。结果表明:本次平流雾的形成主要受冷空气控制后暖湿平流的影响,冷锋过境后的影响是平流雾形成的基础,东海变性冷高压北抬是其形成的必要条件;地面东南风和低空东南水汽输送共同推动雾区向北传播;长江、洪泽湖、高邮湖等水域对平流雾增强起着重要作用;强浓雾呈渐进式发展,爆发性增强不明显以及云雾共存结构等是本次平流雾的主要特征。本论文的研究结果对平流雾的预报具有重要的实用价值。
Abstract:The event of an advection fog occurred in Jiangsu Province during 18th-19th March 2013, which was firstly formed in North Bank of Yangtze River and spread to Northern Jiangsu Province. In this study, the formation mechanism and characteristics of this fog event was analyzed. Particularly, the transmission mechanism of this advection fog was emphasized in this study. The results indicated that this advection fog event was formed after cold air under the influence of warm and humid advection. The control after cold front transit are basic to the formation of advection fog. The north lift of the denatured cold high pressure from East China Sea was helpful for the formation of this advection fog event. The fog area moved northward due to the promoting role of southeast wind from the ground and water-vapor transfer toward southeast at low altitude. The water surface of Yangtze River, Hongze Lake and Gaoyou Lake was attributed to the enhancement of the advection fog. The heavy fog developed gradually, with insignificant explosive increase and coexistence of could and fog as the main characteristics. The results in this study has practical value towards the forecast of advection fog.
文章编号:201711080485     中图分类号:    文献标志码:
基金项目:国家自然科学基金项目(41575135、40975085、41340042)、江苏省自然科学青年基金(BK20161073)、江苏省气象局预报员专项(JSYBY201305)
引用文本:
王博妮,张雪蓉,濮梅娟,王宏斌,陈玉石,0.[en_title][J].Meteor Mon,():-.
WangBoni,ZHANGXuerong,PU Meijuan,wanghongbing,chenyushi,0.Investigation on the characterization of the formation and spread of an advection fog[J].Meteor Mon,():-.