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The annual emissions of sulfur gases from different tidal flats in the Yellow River Delta, China

文献类型： 外文期刊

作者： Li Xinhua 1 ; Sun Zhigao 2 ; Guo Honghai 3 ; Zhu Zhenlin 1 ;

作者机构： 1.Shan Dong Inst Agr Sustainable Dev, Jinan 250100, Peoples R China

2.Chinese Acad Sci, Yanta Inst Coastal Zone Res YIC, Key Lab Coastal Zone Environm Proc, Yanta 264003, Peoples R China

3.Shandong Acad Agr Sci, Inst Resource & Environm, Jinan, Peoples R China

关键词： Yellow River Delta;Tidal flats;Sulfur gases;Annual emission;China

期刊名称：BULGARIAN CHEMICAL COMMUNICATIONS （ 影响因子：0.242； 五年影响因子：0.322 ）

ISSN： 0324-1130

年卷期： 2015 年 47 卷 3 期

页码：

收录情况： SCI

摘要： The annual emission of sulfur gases (H2S and COS) from different tidal flats in the Yellow River Delta, China were studied from February to December 2013 by using static chamber-gas chromatography technique. The result showed that the annual emissions of H2S and COS were featured with obvious seasonal variations. For the full year, the high tidal flats, middle tidal flats and low tidal flats were all the emission sources for H2S, and the range was on the order of 0.14-7.31 mu g.m(-2).h(-1), 0.22-6.38 mu g.m(-2).h(-1) and 0.23-8.80 mu g.m(-2).h(-1) respectively, and the means were 3.37 mu g.m(-2).h(-1), 1.98 mu g.m(-2).h(-1) and 3.29 mu g.m(-2).h(-1) respectively. For COS, the high tidal flats were also the emission sources, while the middle tidal flats and the low tidal flats were the sink, and the range was on the order of -1.16-2.52 mu g.m(-2).h(-1), -3.32-1.25 mu g-m(-2).h(-1) and -5.53-1.78 mu g.m(-2).h(-1) respectively, and with means of 0.68 mu g.m(-2).h(-1), -0.09p.g.m-2.h-1 and -0.17 mu g.m(-2).h(-1) respectively. The annual emissions of H2S and COS from the different tidal flats in the Yellow River Delta China were significantly affected by the annual seasonal variation, and the emissions of H2S and absorptions of COS from the different tidal flats were mainly concentrated in the growing season of plants (from May to October). In the different tidal flats areas, the annual emission amounts of H2S and COS were also different, among which H2S was manifested as low tidal flats > high tidal flats > middle tidal fiats, and COS as high tidal flats > low tidal flats > middle tidal flats.

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