江蘇省快速城市化進(jìn)程對(duì)霧霾日時(shí)空變化的影響

doi:10.3969/2012jms.0049

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江蘇省快速城市化進(jìn)程對(duì)霧霾日時(shí)空變化的影響
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                        10.3969/2012jms.0049
                    
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基金項(xiàng)目:國家科技基礎(chǔ)性工作專項(xiàng)資金(2005DKA31700-08-03),江蘇省氣象局科研開放基金(km201104)

Impact on spatio-temporal variation of fog and haze days due to rapid urbanization in Jiangsu

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利用氣象觀測和經(jīng)濟(jì)統(tǒng)計(jì)數(shù)據(jù),研究了江蘇霧霾時(shí)間空間分布和城市化對(duì)年霧霾日的影響。結(jié)果表明:(1)經(jīng)濟(jì)發(fā)達(dá)、城市化水平高的蘇南地區(qū)是霾天氣高發(fā)區(qū),年霾日數(shù)超過100 d;(2)江蘇霾日數(shù)冬季最多,夏季最少,2000年以后,夏秋季霾日數(shù)明顯增加;蘇南是霾日數(shù)顯著上升的區(qū)域,增長率≥30 d/10a;(3)1978—1991年江蘇三大區(qū)年工業(yè)增加值處于較低水平,增速緩慢,1991—2002年,年工業(yè)增加值增速加快,2002年以后迅速增長;與此對(duì)應(yīng),各區(qū)年霾日數(shù)從1990s初期緩慢上升,2002年以后快速增長;在城市化水平最高的蘇南地區(qū),1975—2000年各季節(jié)霾日數(shù)上升也不明顯,2000—2008年,蘇南城市化率從37%迅速上升到60.2%,霾日數(shù)也迅速上升,這表明城市化的加速發(fā)展是導(dǎo)致年霾日數(shù)上升的重要原因。

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Spatio-temporal characteristics of fog and haze days in Jiangsu and the effect of urbanization are analyzed in this paper on the basis of the meteorological observation data and social economic statistical data. The results show that (1) The yearly fog & haze days amounted to more than 100 d a year and occurred frequently in the south of Jiangsu along Yangtze River due to rapid economic development and high urbanization level. (2) Most of haze days was in winter and the minimum was in summer. The seasonal haze days increased obviously in summer and autumn after 2000. The figure of hase days is going up in the south of Jiangsu with a rate of equal or greater than 30 d per decade. (3) The industrial value grew slowly during 1978 to 1991 in three regions of Jiangsu, followed more rapidly from 1991 to 2002, and then developed very fast after 2002. Accordingly, yearly haze days showed the similar change pattern. It is the accelerated urbanization development that can explain why the haze days increase so rapidly each season in all areas.

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宋娟,程婷,謝志清,苗茜.江蘇省快速城市化進(jìn)程對(duì)霧霾日時(shí)空變化的影響.氣象科學(xué),2012,32(3):275-281 SONG Juan, CHENG Ting, XIE Zhiqing, MIAO Qian. Impact on spatio-temporal variation of fog and haze days due to rapid urbanization in Jiangsu. Journal of the Meteorological Sciences,2012,32(3):275-281

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收稿日期:2011-04-29
最后修改日期:2011-11-05
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在線發(fā)布日期: 2012-06-15
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