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气象:1998,24(5):3-8
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沪宁地区辐射雾的微物理结构及其演变
(南京气象学院,南京 510044)
Microphysical Structure Features and Evolution processes of Radiation Fog in Huning Region
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中文摘要: 1996年12月27~31日沪宁地区连续5天出现了浓雾天气。利用三用滴谱仪和ADAS对辐射雾的微物理结构及温、压、湿、风等要素的垂直分布进行了探测。通过对这些观测资料的分析,揭示了该地区辐射雾的微物理结构特征及其演变过程。结果表明:雾的微物理结构与大气污染程度紧密相关,逆温层的长时间存在可以影响雾的微物理结构。此外,还观测到含水量、谱宽等存在周期为20~30分钟的振荡现象。
Abstract:Heavy fog occured for five successive days from Dec. 27 to 31,1996. Using a drop size meter and ADAS,soundings of microphysical structures of radiation fog and soundings of vertical distributions of some related meteorological elements,such as temperature,pressure,moisture,wind and so on were conducted. By analysing these data thoroughly,the microphysical structure characteristics and evolution processes of radiation fog in Huning region were discovered. Results suggest that there is a close connection between the microphysical structures of fog and the degree of air pollution,and a long lived inversion has an effect on the former. Furthermore,quasi periodic oscillations with periods of 20~30 minutes are observed in liquid water content,spectrum width,and peak diameter etc..
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引用文本:
黄建平,梅清银,靳永才,李子华,1998.沪宁地区辐射雾的微物理结构及其演变[J].气象,24(5):3-8.
,1998.Microphysical Structure Features and Evolution processes of Radiation Fog in Huning Region[J].Meteor Mon,24(5):3-8.