Atmospheric dry deposition fluxes and seasonal variations of particulate matter and lead in urban Beijing

被引：3

作者：

Yao L. ^{[1
]}

Liu J. ^{[1
,2
]}

Pan Y.-P. ^{[1
]}

Tian S.-L. ^{[1
]}

Wang Z.-B. ^{[3
]}

Wei X. ^{[4
]}

Zhang G.-Z. ^{[1
]}

Zhou B.-H. ^{[2
]}

Wang Y.-S. ^{[1
]}

机构：

[1] State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing

[2] School of Resources and Environment, University of Ji'nan, Ji'nan

[3] Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing

[4] Yunnan Meteorological Bureau, Kunming

来源：

Huanjing Kexue/Environmental Science | 2017年 / 38卷 / 02期

关键词：

Air pollution; Dry deposition; Lead; Particulate matter; Solubility;

D O I：

10.13227/j.hjkx.201601132

中图分类号：

学科分类号：

摘要：

To investigate the dry deposition pattern of particulate matter and lead in urban Beijing, dry deposited particles were collected based on a surrogate surface between December 2013 and November 2014 and subjected to elemental analysis by using microwave digestion and inductively coupled plasma mass spectrometry. The results showed that dry deposition fluxes of particle mass and total lead were 0.84 t·(hm2·a)-1 and 7.56 mg·(m2·a)-1, respectively, with a seasonal trend of spring>winter>autumn~summer, exhibiting a similar temporal pattern to that of coarse particles. In addition, dry deposition flux of water-soluble lead was 3.14 mg·(m2·a)-1. It was found that the ratio of soluble fraction to total lead in dry deposited particles reached up to 43%, coinciding with a seasonal variation of ambient sulfur dioxide. The findings highlighted the anthropogenic imprints on the dry deposition flux of particles and heavy metals as well as the solubility of lead. This study also provides a first-hand dataset that can be used to assess ecological and environmental impacts of dry deposited lead, and an up-to-date scientific basis for the crafting abatement strategies to further reduce emission of heavy metals in China. © 2017, Science Press. All right reserved.

引用

页码：423 / 428

页数：5

共 26 条

[1] Peng Y.L., Wang Y.M., Qin C.Q., Et al., Concentrations and deposition fluxes of heavy metals in precipitation in Core Urban Areas, Chongqing, Environmental Science, 35, 7, pp. 2490-2496, (2014)
[2] Li X.Y., Zhang S.T., Seasonal provincial characteristics of vertical distribution of dust loadings and heavy metals near surface in city, Environmental Science, 36, 6, pp. 2274-2282, (2015)
[3] Li Y.M., Pan Y.P., Wang Y.S., Et al., Chemical characteristics and sources of trace metals in precipitation collected from a typical industrial city in Northern China, Environmental Science, 33, 11, pp. 3712-3717, (2012)
[4] Pan Y.P., Wang Y.S., Atmospheric wet and dry deposition of trace elements at 10 sites in Northern China, Atmospheric Chemistry and Physics, 15, 2, pp. 951-972, (2015)
[5] Pan Y.P., Wang Y.S., Yang Y.J., Et al., Determination of trace metals in atmospheric dry deposition with a heavy matrix of PUF by inductively coupled plasma mass spectroscopy after microwave digestion, Environmental Science, 31, 3, pp. 553-559, (2010)
[6] Tian S.L., Pan Y.P., Wang Y.S., Size-resolved source apportionment of particulate matter in urban Beijing during haze and non-haze episodes, Atmospheric Chemistry and Physics, 16, 1, pp. 1-19, (2016)
[7] Pan Y.P., Tian S.L., Li X.R., Et al., Trace elements in particulate matter from metropolitan regions of Northern China: sources, concentrations and size distributions, Science of the Total Environment, 537, pp. 9-22, (2015)
[8] Pan Y.P., Wang Y.S., Sun Y., Et al., Size-resolved aerosol trace elements at a rural mountainous site in Northern China: importance of regional transport, Science of the Total Environment, 461-462, pp. 761-771, (2013)
[9] Xiao R., Li B., Yang H.X., Et al., Source identification and apportionment of particulate matter and aerosol lead in Beijing, Research of Environmental Sciences, 21, 6, pp. 148-155, (2008)
[10] Sahariah B., Goswami L., Farooqui I.U., Et al., Solubility, hydrogeochemical impact, and health assessment of toxic metals in municipal wastes of two differently populated cities, Journal of Geochemical Exploration, 157, pp. 100-109, (2015)

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