收稿日期: 2016-05-25
网络出版日期: 2018-06-28
基金资助
国家自然科学基金资助项目(41473088);金华市环保局资助项目(YG2014-FW673-ZFCG046)
Concentration and sources of WSON in $PM_{2.5}$ in Jinhua
Received date: 2016-05-25
Online published: 2018-06-28
含氮化合物是大气细颗粒物(PM$_{2.5})$的重要组分,其中含氮有机物是含氮组分的重要存在形式,对陆地和水生生态系统影响较大.于2015年4月、7月和10月分别采集了金华市3个具有代表性站点的PM$_{2.5}$样品,分析了其中水溶性有机氮(water-soluble organic nitrogen, WSON)的质量浓度分布及季节变化特征. 结果表明:金华市PM$_{2.5}$中WSON质量浓度范围为0.06$\sim $6.90 $\mu $g/m$^{3}$, 平均1.90 $\mu $g/m$^{3}$,对水溶性总氮(water-soluble total nitrogen, WSTN)的平均贡献率为31 %.WSON的质量浓度分布具有明显的季节变化特征: 秋季较高, 夏季较低,而在夏季WSON对WSTN的贡献率最高.金华市PM$_{2.5}$中WSON的主要来源可能是含氮前体物在大气中的二次转化以及生物质燃烧活动.
关键词： 水溶性有机氮; 水溶性离子; PM$_{2.5}$; 来源识别; 金华市
赵博阳, 项成龙, 陈焕兵, 常毅, 冯加良 . 金华市大气$PM_{2.5}$中WSON的质量浓度及来源[J]. 上海大学学报(自然科学版), 2018 , 24(3) : 437 -445 . DOI: 10.12066/j.issn.1007-2861.1809
Nitrogen-containing components account for an important part of the fine particulate matter (PM$_{2.5})$, and many of the nitrogen-containing compounds are in organic form. Nitrogen-containing organics have great potential adverse impacts on the land and water ecosystem. Seasonal PM$_{2.5}$ samples were collected from spring to autumn in 2015 in Jinhua. Concentration and seasonal variation of water-soluble organic nitrogen (WSON) in the samples were analyzed. Concentration of WSON in PM$_{2.5}$ in Jinhua ranged from 0.06 to 6.90 $\mu $g/m$^{3}$ with an average of 1.90 $\mu $g/m$^{3}$, accounted for 31 % of the water-soluble total nitrogen (WSTN). Distinct seasonal variation in the concentration of WSON was found in Jinhua, with higher concentrations in autumn and spring, and the lowest in summer. On the contrary, contribution of WSON to WSTN in summer was higher than that in other seasons. The main sources of WSON in PM$_{2.5}$ in Jinhua should be the secondary formation in the atmosphere from the nitrogen-containing precursors and biomass burning emission.
| [1] | Bennett W D, Zeman K L. Effect of body size on breathing pattern and fine-particle deposition in children[J]. Journal of Applied Physiology, 2004,97(3):821-826. |
| [2] | Maciej S, Hanna B, Kees M, et al. Respiratory health effects of ultrafine and fine particle exposure in cyclists[J]. Occupational and Environmental Medicine, 2010,67(2):118-124. |
| [3] | Cornell S E, Jickells T D, Cape J N, et al. Organic nitrogen deposition on land and coastal environments: a review of methods and data[J]. Atmospheric Environment, 2003,37(16):2173-2191. |
| [4] | Paerl H W, Whitall D R. Anthropogenically-derived atmospheric nitrogen deposition, marine eutrophication and harmful algal bloom expansion: is there a link?[J]. Ambio, 1999,28(4):307-311. |
| [5] | Ambonguilat S, Gallard H, Garron A, et al. Evaluation of the catalytic reduction of nitrate for the determination of dissolved organic nitrogen in natural waters[J]. Water research, 2006,40(4):675-682. |
| [6] | Seinfeld J H, Pandis S N. Atmospheric chemistry and physics: from air pollution to climate change[M]. 2nd Edition. New York: John Wiley and Sons, 1998: 1326. |
| [7] | Rastogi N, Zhang X, Edgerton E S, et al. Filterable water-soluble organic nitrogen in fine particles over the southeastern USA during summer[J]. Atmospheric Environment, 2011,45(33):6040-6047. |
| [8] | Benítez J M G, Cape J N, Heal M R. Gaseous and particulate water-soluble organic and inorganic nitrogen in rural air in Southern Scotland[J]. Atmospheric Environment, 2010,44(12):1506-1514. |
| [9] | Cornell S, Mace K, Coeppicus S, et al. Organic nitrogen in Hawaiian rain and aerosol[J]. Journal of Geophysical Research, 2001,106(8):7973-7983. |
| [10] | 石金辉, 韩静, 范得国, 等. 青岛大气气溶胶中水溶性有机氮对总氮的贡献[J]. 环境科学, 2011,32(1):1-8. |
| [11] | Ho K F, Ho S S H, Huang R J, et al. Characteristics of water-soluble organic nitrogen in fine particulate matter in the continental area of China[J]. Atmospheric Environment, 2015,106:252-261. |
| [12] | Shi J, Gao H, Qi J, et al. Sources, compositions, and distributions of water-soluble organic nitrogen in aerosols over the China Sea[J]. Journal of Geophysical Research, 2010,115(17):1383-1392. |
| [13] | Zhang Q, Anastasio C, Jimenez-Cruz M. Water-soluble organic nitrogen in atmospheric fine particles ( PM$_{2.5})$ from northern California [J]. Journal of Geophysical Research, 2002, 107(11): AAC3-1-AAC3-9. |
| [14] | Bronk D A, Lomas M W, Glibert P M, et al. Total dissolved nitrogen analysis: comparisons between the persulfate, UV and high temperature oxidation methods[J]. Marine Chemistry, 2000,69(1/2):163-178. |
| [15] | 中华人民共和国环境保护部. HJ 636-2012,水质总氮测定——碱性过硫酸钾消解紫外分光光度法[S]. 北京:中国环境科学出版社, 2012. |
| [16] | Montero-Martínez G, Rinaldi M, Gilardoni S, et al. On the water-soluble organic nitrogen concentration and mass size distribution during the fog season in the Po Valley, Italy [J]. Science of the Total Environment, 2014,485/486(1):103-109. |
| [17] | Violaki K, Mihalopoulos N. Water-soluble organic nitrogen (WSON) in size-segregated atmospheric particles over the Eastern Mediterranean[J]. Atmospheric Environment, 2010,44(35):4339-4345. |
| [18] | Lin M, Walker J, Geron C, et al. Organic nitrogen in PM$_{2.5}$ aerosol at a forest site in the Southeast US[J]. Atmospheric Chemistry and Physics, 2009,10(5):2145-2157. |
| [19] | Cape J N, Cornell S E, Jickells T D, et al. Organic nitrogen in the atmosphere-where does it come from? a review of sources and methods[J]. Atmospheric Research, 2011,102(1/2):30-48. |
| [20] | Chen H Y, Chen L D. Importance of anthropogenic inputs and continental-derived dust for the distribution and flux of water-soluble nitrogen and phosphorus species in aerosol within the atmosphere over the East China Sea[J]. Journal of Geophysical Research, 2008,113(11):303. |
| [21] | Atkinson R. Atmospheric chemistry of VOCs and NO$_{x}$[J]. Atmospheric Environment, 2000,34(12/13/14):2063-2101. |
| [22] | Neff J C, Holland E A, Dentener F J, et al. The origin, composition and rates of organic nitrogen deposition: a missing piece of the nitrogen cycle? [J]. Biogeochemistry, 2002,57/58(1):99-136. |
| [23] | Chan C K, Yao X. Air pollution in mega cities in China[J]. Atmospheric Environment, 2008,42(1):1-42. |
| [24] | Zhang Q, Streets D G, He K, et al. NO$_{x}$ emission trends for China, 1995-2004: the view from the ground and the view from space[J]. Journal of Geophysical Research, 2007,112(22):449-456. |
| [25] | Lesworth T, Baker A R, Jickells T. Aerosol organic nitrogen over the remote Atlantic Ocean[J]. Atmospheric Environment, 2010,44(15):1887-1893. |
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