本文選題：G峰會　切入點：杭州　出處：《中國環(huán)境科學》2017年06期 　論文類型：期刊論文

【摘要】：為了研究G20峰會期間杭州市及其周邊地區(qū)大氣質(zhì)量狀況,評估保障措施的實施對空氣質(zhì)量的影響,利用2016年8月24日-2016年9月6日杭州及其周邊城市空氣質(zhì)量監(jiān)測數(shù)據(jù),分析其時空分布特征,并與2015年同期數(shù)據(jù)進行比較.結果顯示:(1)2016年8月24日-9月6日即會期保障階段,杭州市PM_(2.5),PM_(10),SO_2,NO_2,CO和O_3濃度均值為31.52μg/m~3,46.55μg/m~3,8.92μg/m~3,15.22μg/m~3,0.62mg/m~3和113.98μg/m~3.(2)與2015年同期相比,會議保障階段杭州市PM_(2.5),PM_(10),SO_2,NO_2和CO濃度分別下降了40.16%,37.71%,25.98%,56.30%和30.34%,O_3濃度則上升了19.89%.(3)2016年會期保障階段,2015年同期和G20峰會舉辦期間的3個時段,污染物日變化特征相似,除O_3外,其他污染物整體上呈現(xiàn)2015年同期2016年會期保障階段G20峰會舉辦期間的特點.(4)空間上而言,會期保障階段O_3濃度在空間上表現(xiàn)出顯著上升,其他污染物濃度同比有明顯下降,其中PM_(2.5)和PM_(10)在空間上的差異較小,而SO_2和NO_2在空間上的差異較大.(5)G20峰會期間采取的保障措施確保了杭州市及其周邊地區(qū)大氣質(zhì)量得到了改善.
[Abstract]:In order to study the situation of air quality in Hangzhou and its surrounding areas during the G20 summit and to assess the impact of the implementation of safeguard measures on air quality, the air quality monitoring data of Hangzhou and its surrounding cities from August 24th 2016 to September 6th 2016 were used. The temporal and spatial distribution characteristics are analyzed and compared with the corresponding data of 2015. The results show that: 1) from August 24th 2016 to September 6th, during the sessional guarantee phase, in Hangzhou City, the average concentrations of PM / M / M / P / M / 10 / 10 / S / C / C / CO and O _ 3 are 31.52 渭 g / m ~ 36.55 渭 g / m ~ 38.92 渭 g / m ~ 315.22 渭 g / m ~ 30.62 渭 g / m ~ (3) and 113.98 渭 g / m ~ (3) / g / m ~ (3) ~ (2) respectively) compared with the same period of 2015, and the results show that the mean value of the concentration of O _ (3) and O _ (3) is 31.52 渭 g / m ~ (36.55 渭 g / m ~ (-1)). At the meeting guarantee stage, the levels of PM2NO2 and CO have dropped by 40.16, 37.71, 25.98, 56.30% and 30.34, respectively, and the three periods during the same period of 2015 and during the G20 summit are similar in terms of the characteristics of daily variation of pollutants, with the exception of O3, in the three periods during the same period of 2015 and the holding of the G20 Summit, and the three periods during the same period of 2015 and the G20 summit, with the exception of O3, are similar to each other. Other pollutants as a whole show the characteristics of the G20 summit held in the same period in 2015.) in space, the concentration of O3 in the in-session guarantee phase has shown a marked increase in space, while the concentration of other pollutants has decreased significantly compared with the same period last year. The difference between SO_2 and NO_2 in space is relatively small, and the safeguard measures taken during the G20 summit between SO_2 and NO_2 ensure the improvement of air quality in Hangzhou and its surrounding areas.
【作者單位】： 南京信息工程大學中國氣象局氣溶膠與云降水重點開放實驗室;南京信息工程大學大氣物理學院;南京信息工程大學江蘇省大氣環(huán)境與裝備技術協(xié)同創(chuàng)新中心;北京市環(huán)境保護監(jiān)測中心;
【基金】：國家自然科學基金面上項目(41475108)
【分類號】：X823
，

本文編號：1561562