本文選題：福建省 + 人為活性氮排放　； 參考：《環(huán)境科學(xué)》2017年09期

【摘要】：在人口增長和快速城市化的背景下,活性氮排放對生態(tài)環(huán)境的影響日益加劇.為研究省級尺度活性氮排放規(guī)律,采用排放因子法建立2000、2005及2010年福建省人為源活性氮排放清單,分析各地市3個年份活性氮排放量及排放強(qiáng)度特征.結(jié)果表明,3個年份福建省活性氮排放總量分別為538.4、587.0和619.97 Gg,呈整體增加趨勢.在9個地級市中,增速最快的為莆田市,而漳州市排放量有所下降.排放量最大的為漳州和泉州,排放量最小的為寧德與廈門.從排放來源看,90%以上的排放來自農(nóng)田生態(tài)系統(tǒng)和畜禽養(yǎng)殖系統(tǒng).能源活動貢獻(xiàn)較小,但其排放增長最為顯著.2010年,各地市單位面積活性氮排放強(qiáng)度呈"東南沿海高西北內(nèi)陸低"的格局,最高為廈門市,最低為三明市;GDP和人口排放強(qiáng)度則呈"東南沿海低西北內(nèi)陸高"的格局,最高為南平市,最低為廈門市.在分析各地市活性氮排放源特征的基礎(chǔ)上,探討了不同地區(qū)活性氮減排重點,研究結(jié)果可為福建省及下轄各地市活性氮減排提供科學(xué)依據(jù).
[Abstract]:Under the background of population growth and rapid urbanization, the impact of active nitrogen emissions on the ecological environment is increasing. In order to study the emission regularity of active nitrogen at provincial scale, the emission inventory of active nitrogen from anthropogenic sources in Fujian Province in 2005 and 2010 was established by means of emission factor method, and the characteristics of active nitrogen emissions and emission intensity in three years of each city were analyzed. The results showed that the total amount of active nitrogen emissions in Fujian Province was 538.4587.0 and 619.97 Gg respectively, which showed an overall increasing trend. In 9 prefectural cities, the fastest-growing Putian City, and Zhangzhou City emissions have decreased. The largest emissions are Zhangzhou and Quanzhou, the smallest emissions are Ningde and Xiamen. More than 90% of the emissions come from farmland ecosystem and livestock and poultry farming system. The contribution of energy activities is small, but the emission increase is the most remarkable. In 2010, the emission intensity of active nitrogen per unit area of each city was "high and northwest inland and low" pattern in southeast coastal area, the highest was Xiamen City, The lowest is Sanming city's gross domestic product (GDP) and population emission intensity, which is the pattern of "southeast coastal low northwest inland high" pattern, the highest is Nanping city, and the lowest is Xiamen city. On the basis of analyzing the characteristics of active nitrogen emission sources in different cities and cities, the key points of active nitrogen emission reduction in different regions are discussed. The results can provide scientific basis for the emission reduction of active nitrogen in Fujian Province and other cities under its jurisdiction.
【作者單位】： 中國科學(xué)院城市環(huán)境研究所城市環(huán)境與健康重點實驗室;中國科學(xué)院大學(xué)資源與環(huán)境學(xué)院;廈門市城市代謝重點實驗室;
【基金】：國家重大科學(xué)研究計劃項目(2014CB953801) 中國科學(xué)院城市環(huán)境研究所青年人才領(lǐng)域前沿項目(IUEMS201402)
【分類號】：X701

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