山东省临沂市10月份雾的统计特征 |
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引用本文: | 裴洪芹,张立文,张可欣,王庆华. 山东省临沂市10月份雾的统计特征[J]. 安徽农业科学, 2011, 39(2): 970-972 |
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作者姓名: | 裴洪芹 张立文 张可欣 王庆华 |
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作者单位: | 裴洪芹,张可欣,王庆华(山东省临沂市气象局,山东临沂,276004);张立文(山东省枣庄市气象局,山东枣庄,277148) |
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摘 要: | 利用2000~2009年临沂市10月份资料,对该地区10月份雾发生演变的气候学、天气学特征进行了统计分析。结果表明:该地区是雾多发区,雾在前一天20:00至当日08:00之间发生,65.8%的雾在09:00之前消散;雾日08:00风速97.4%小于2 m/s,静风最有可能出雾,其次是偏东风,再者是偏南风;雾日前一天20:00以东南东风频率最高,其次是东南风和静风;临沂雾的天气形势主要有5种,分别为锋前均压场型、弱高压或脊型、鞍形场型、高压入海型和倒槽(低压)前部型。
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关 键 词: | 雾 气候学 统计特征 临沂市 |
Statistical Features of Fog in Linyi of Shandong Province |
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Affiliation: | PEI Hong-qin et al (Linyi Meteorological Office,Linyi,Shangdong 276004) |
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Abstract: | By using the data in October of Linyi from 2000 to 2009,the climatology and weather characteristics of its fog evolution in October were statistically analyzed.Results indicated that,Linyi was a high-incidence area for fogs,which usually occurred from 20:00 to 08:00 in the next day,and there were 65.8% of the cases that the fog vanished before 9:00.In the fog days,about 97.4% of the wind speed at 08:00 was lower than 2m/s.The highest fog-occurring probability happened in calm wind days,then followed by the days with the leaning east wind and leaning south wind;at 20:00 the day before the foggy day,ESE winds occurred the most frequently,then followed by southeast wind and calm wind;there were five typical weather patterns in Linyi,including ahead front uniform pressure field,weak high pressure or ridge,saddle field,high pressure approaching to the sea and inverted through(low pressure) front. |
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Keywords: | Fog Climatology Statistical features Linyi |
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