【摘要】：利用南京市浦口區(qū)境內(nèi)老山森林、農(nóng)莊、珍珠泉、石橋萬誠4個(gè)觀測點(diǎn)2014年10月~2015年10月大氣負(fù)(氧)離子觀測資料,分析了浦口區(qū)大氣負(fù)(氧)離子濃度的時(shí)空變化特征及其與氣象因子的關(guān)系。結(jié)果表明:(1)浦口區(qū)日平均大氣負(fù)(氧)離子濃度為688個(gè)/cm~3,最大值約在21:00,為986個(gè)/cm~3,最小值約在12:00,為610個(gè)cm~3;(2)浦口區(qū)年平均大氣負(fù)(氧)離子濃度為675個(gè)/cm~3,其中夏季最高,為728個(gè)/cm~3;冬季最低,為538個(gè)/cm~3;(3)浦口區(qū)大氣負(fù)(氧)離子空間分布規(guī)律為:農(nóng)莊珍珠泉老山森林石橋萬誠;(4)不同天氣條件下大氣負(fù)離子與氣象因子的相關(guān)性不同,如雨日,大氣負(fù)離子與降水量、氣溫、相對濕度顯著相關(guān)(P0.01);無雨天,大氣負(fù)離子與日照顯著相關(guān)(P0.05)。
[Abstract]:From October 2014 to October 2015, four observation sites of Laoshan forest, farm, Zhenzhu Spring and Shiqiao Wancheng in Pukou District, Nanjing City, were used to observe the negative (oxygen) ions in the atmosphere. The temporal and spatial variation of atmospheric negative (oxygen) ion concentration in Pukou area and its relationship with meteorological factors are analyzed. The results show that: (1) the daily average atmospheric negative (oxygen) ion concentration in Pukou area is 688 / cm~3, the maximum value is about 21: 00, the minimum value is about 12: 00 and 610 cm~3; / cm~3,. (2) the annual average atmospheric negative (oxygen) ion concentration in Pukou is 675 / cm~3, the highest in summer, 728 / cm~3; in winter, and 538 / cm~3; in winter. (3) the spatial distribution of negative (oxygen) ions in the atmosphere of Pukou area is as follows: Zhuzhou-Laoshan Forest Shiqiao Wancheng; (4) the correlation between atmospheric negative ions and meteorological factors is different under different weather conditions, such as rain day, atmospheric negative ion and precipitation, air temperature, relative humidity (P0.01); There was a significant correlation between atmospheric negative ions and sunshine on rainy days (P0.05).
【作者單位】： 南京信息工程大學(xué)環(huán)境科學(xué)與工程學(xué)院;南京信息工程大學(xué)江蘇省大氣環(huán)境與裝備技術(shù)協(xié)同創(chuàng)新中心;南京市浦口區(qū)氣象局;
【基金】：中國清潔發(fā)展機(jī)制基金贈(zèng)款項(xiàng)目(2013013) 國家科技支撐計(jì)劃(2012BAD16B0305;2012BAC23B01)~~
【分類號】：X16

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