茂名地区海雾的微物理结构特征

黄辉军; 黄健; 刘春霞; 袁金南; 吕卫华; 杨永泉; 毛伟康; 廖菲

茂名地区海雾的微物理结构特征

1.
中国气象局, 广州热带海洋气象研究所, 广东, 广州, 510080
2.
茂名市气象局, 广东, 茂名, 525000

基金项目: 国家自然科学基金(40675013);中国气象局2007年多轨道业务建设项目“海岸带海-陆-气相互作用监测及灾害天气预测模式系统”;广东省气象局气象科技项目(2007B05)

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出版历程
- 收稿日期: 2007-12-25
- 修回日期: 2008-04-15

Microphysical characteristics of the sea fog in Maoming area

1.
Guangzhou Institute of Tropical and Marine Meteorology, China Meteoyological Administration, Guangzhou 510080, China
2.
Maoming Meteorological Bureau, Maoming 525000, China

摘要

摘要: 2007年3月16日至4月29日期间,在广东茂名海洋气象科学实验基地对海雾进行了连续观测,共取得51个雾滴谱样本,在此基础上分析了茂名地区海雾的微物理结构特征。观测分析表明:茂名地区海雾的雾滴谱分布符合Junge分布,平均数密度为57.1个/cm³,平均含水量为0.018 3 g/m³,算术平均直径为4.7μm,算术峰值直径为2.9μm。文中还比较了雾和轻雾情况下雾滴谱分布的不同特征,分析了能见度与含水量之间的关系。
- 海雾 /
- 微物理结构 /
- 雾滴谱分布 /
- 含水量
Abstract: Based on 51 collected samples, the microphysical characteristics of sea fog from 16 March to 29 April 2007 was investigated in Marine Meteorology Science Experiment Center in Maoming, Guangdong Province.It is indicated that the average droplet size distribution is similar to Junge distribution, the average concentration is 57.1 drops·cm^-3, the average liquid water content is 0.018 3 g·m^-3.The average drop diameter is 4.7μm, and the average peak drop diameter is 2.9μm.Different microphysical characteristics between stable fog and mist have also been compared.Finally, an empirical relationship between liquid water content and horizontal atmospheric visibility is also presented.
- sea fog /
- microphy sical structure /
- droplet size distribution /
- liquid water content

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