| 摘要: |
| 挑选出1971～2016年湖南省97个气象站出现大雾和霾的日期,然后对其时间、空间分布特征进行分析,得出以下结论：湖南省大雾天气先升后降再急速上升,霾天气前期稍下降后期迅速上升；雾霾天气均霾天气12月最多,7月最少,季节从多到少以此为冬季、秋季、春季、夏季；大雾天气湘西北、湘西南、湘东北多,湘南少,霾天气湘西北、湘中多,湘南、湘东北少；持续3日及以上雾霾天气过程分别为349次、551次,持续天气最多分别为15天、57天,11月最多,7月最少。 |
| 关键词: 时空分布;季节性 持续性雾霾 |
| DOI： |
| 投稿时间：2018-04-02修订日期：2018-08-07 |
| 基金项目: |
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| Temporal and spatial distribution characteristics of fog and haze in Hunan Province in recent 46 years |
| wangya,yangling |
| (Hunan Meteorological Information Center;Meteorological Bureau of Yiyang City, Hunan) |
| Abstract: |
| The 1971~2016 years of 97 meteorological stations in Hunan province were selected for the date of fog and haze, and then the time and spatial distribution characteristics were analyzed. The following conclusion was drawn: the fog weather in Hunan province first rises and then rises rapidly, and the haze weather is slightly down in the early stage, the haze weather is most in December, the least in July, and the season from more to less in winter, autumn, spring and summer. The fog weather in northwestern Hunan, southwestern Hunan, Northeastern Hunan, South Hunan, and haze weather in northwestern Hunan and central Hunan, southern Hunan and northeastern Hunan are few, and the 3 days and above haze weather processes are 349 and 551 times respectively, the maximum duration of the weather is 15 days and 57 days respectively, the maximum in November and the least in July. |
| Key words: Temporal and spatial distribution; seasonal persistent haze |
