本文關(guān)鍵詞： 霧 霾 氣候特征　出處：《氣象科學》2016年04期 　論文類型：期刊論文

【摘要】：根據(jù)2007年1月—2013年12月江蘇省國家基準氣候站的逐日地面觀測資料,分析了江蘇省霧、霾日數(shù)的氣候變化特征以及霾天氣發(fā)生時的主要氣象要素場特征。結(jié)果表明:(1)霧日數(shù)分布從江蘇省東部向西部逐漸減少,霾分布由南向北逐漸遞減。(2)年際變化上,霧日數(shù)呈現(xiàn)一定的波動,霾日數(shù)逐年增長。秋、冬兩季霧日數(shù)較多;霾日數(shù)在夏季最少。霧、霾天氣分別在08時和14時發(fā)生次數(shù)最多。(3)淮安中度霾居多,微風、高濕情況下霾發(fā)生概率最高,不同季節(jié)風向分布不同。(4)風速與能見度成正相關(guān)關(guān)系,春、夏季的相關(guān)性較差,秋、冬季相關(guān)性相對較好。能見度與相對濕度春、冬兩季兩者之間呈明顯的線性負相關(guān),而夏、秋季擬合曲線呈非線性負相關(guān)。
[Abstract]:According to the January 2007 December 2013 daily surface observation data of Jiangsu Province, the national climate stations in Jiangsu province were analyzed, the fog characteristics of main meteorological elements occurred climate characteristics of haze days and haze weather field. The results showed that: (1) the distribution of the number of fog days from the east to the west part of Jiangsu province is gradually reduced, the distribution by the haze south to north gradually decreasing. (2) the interannual variation of fog days, showing some fluctuations, haze days increased year by year. In autumn, winter two season a few more days of fog; haze days in summer at least. The fog haze occurrence in 08 and 14 respectively. Most (3) Huaian moderate breeze haze mostly, high humidity condition had the highest probability of haze in different seasons, different wind direction distribution. (4) the wind speed and the visibility of a positive correlation between spring and summer autumn poor correlation, winter is relatively good. Correlation of relative humidity and visibility in spring, showed a line between the two winter two season There is a negative correlation in sex, while the summer and autumn fitting curves are nonlinear negative correlation.

【作者單位】： 南京信息工程大學氣象災害預報預警與評估協(xié)同創(chuàng)新中心/氣象災害教育部重點實驗室;遼寧省人工影響天氣辦公室;
【基金】：國家自然科學基金重點資助項目(41030636)
【分類號】：X513

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本文編號：1502750