主办单位:中国气象局沈阳大气环境研究所
国际刊号:ISSN 1673-503X
国内刊号:CN 21-1531/P

气象与环境学报 ›› 2019, Vol. 35 ›› Issue (2): 40-45.doi: 10.3969/j.issn.1673-503X.2019.02.006

• 论文 • 上一篇    下一篇

巢湖地区能见度特征及其影响因子分析

吴杰1, 周建平2, 邓学良3, 王传辉2, 周文鳞1   

  1. 1. 合肥市气象局, 安徽 合肥 230061;
    2. 安徽省公共气象服务中心, 安徽 合肥 230031;
    3. 安徽省气象科学研究所, 安徽 合肥 230031
  • 收稿日期:2017-11-07 修回日期:2018-02-06 出版日期:2019-04-30 发布日期:2019-04-30
  • 作者简介:吴杰,女,1986年生,工程师,主要从事灾害防御和气象服务方面研究,E-mail:pipiwujie@163.com
  • 基金资助:

    安徽省气象局预报员专项(kY201704)、合肥市气象科研项目(HFZL2017005)和安徽省气象局创新团队建设计划共同资助。

Analysis of visibility characteristics and its influencing factors over Chaohu Lake area

WU Jie1, ZHOU Jian-ping2, DENG Xue-liang3, WANG Chuan-hui2, ZHOU Wen-lin1   

  1. 1. Hefei Meteorology Service, Hefei 230061, China;
    2. Anhui Public Weather Service Center, Hefei 230031, China;
    3. Anhui Institute of Meteorological Science, Hefei 230031, China
  • Received:2017-11-07 Revised:2018-02-06 Online:2019-04-30 Published:2019-04-30

摘要:

基于巢湖地区高密度的能见度监测数据,分析了其能见度时空分布特点,初步探讨了湖泊及周边地形对能见度及大雾形成的影响机理。结果表明:受湖泊气温、风、水汽等要素的影响,巢湖沿岸能见度低于远岸地区;一般远岸地区雾较近岸先形成,但是近岸地区雾持续时间长,且消散慢;在湖陆风或主导风作用下,巢湖北岸和西南岸雾的发生次数和持续时间明显多于其他地区;巢湖东南岸由于受山脉的影响,夜间干冷山风提高了岸边能见度,减少了大雾的发生。

关键词: 巢湖, 能见度,

Abstract:

Based on the high-density visibility monitoring data from Chaohu Lake area,the spatial and temporal distribution characteristics of visibility were analyzed,and the influence mechanism of the lake and surrounding topography on visibility and fog formation was preliminarily discussed.The results show that the visibility over Chaohu Lake is lower than that of far shore due to the influence of temperature,wind and water vapor.Generally,fog forms first in the far shore area compared with the nearshore area,but the nearshore area fog lasts for a long time and dissipates slowly.Under the action of lacustrine wind or dominant wind,the occurrence and duration of fog on the north and southwest coast of Chaohu Lake are obviously more than those in other areas.Due to the impact of mountains on the southeast coast of Chaohu Lake,dry and cold mountain winds at night improve the visibility on the shore and reduce the occurrence of fog.

Key words: Chaohu Lake, Visibility, Fog

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