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Receptor modeling of PM2.5, PM10 and TSP in different seasons and long-range transport analysis at a coastal site of Tianjin, China.
Sci Total Environ. 2010 Sep 15; 408(20):4681-94.ST

Abstract

Atmospheric particulate matter (PM(2.5), PM(10) and TSP) were sampled synchronously during three monitoring campaigns from June 2007 to February 2008 at a coastal site in TEDA of Tianjin, China. Chemical compositions including 19 elements, 6 water-solubility ions, organic and elemental carbon were determined. principle components analysis (PCA) and chemical mass balance modeling (CMB) were applied to determine the PM sources and their contributions with the assistance of NSS SO(4)(2)(-), the mass ratios of NO(3)(-) to SO(4)(2)(-) and OC to EC. Air mass backward trajectory model was compared with source apportionment results to evaluate the origin of PM. Results showed that NSS SO(4)(2)(-) values for PM(2.5) were 2147.38, 1701.26 and 239.80 ng/m(3) in summer, autumn and winter, reflecting the influence of sources from local emissions. Most of it was below zero in summer for PM(10) indicating the influence of sea salt. The ratios of NO(3)(-) to SO(4)(2)(-) was 0.19 for PM(2.5), 0.18 for PM(10) and 0.19 for TSP in winter indicating high amounts of coal consumed for heating purpose. Higher OC/EC values (mostly larger than 2.5) demonstrated that secondary organic aerosol was abundant at this site. The major sources were construction activities, road dust, vehicle emissions, marine aerosol, metal manufacturing, secondary sulfate aerosols, soil dust, biomass burning, some pharmaceutics industries and fuel-oil combustion according to PCA. Coal combustion, marine aerosol, vehicular emission and soil dust explained 5-31%, 1-13%, 13-44% and 3-46% for PM(2.5), PM(10) and TSP, respectively. Backward trajectory analysis showed air parcels originating from sea accounted for 39% in summer, while in autumn and winter the air parcels were mainly related to continental origin.

Authors+Show Affiliations

College of Environmental Science and Engineering, Nankai University, Tianjin, 300071, PR China.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20655092

Citation

Kong, Shaofei, et al. "Receptor Modeling of PM2.5, PM10 and TSP in Different Seasons and Long-range Transport Analysis at a Coastal Site of Tianjin, China." The Science of the Total Environment, vol. 408, no. 20, 2010, pp. 4681-94.
Kong S, Han B, Bai Z, et al. Receptor modeling of PM2.5, PM10 and TSP in different seasons and long-range transport analysis at a coastal site of Tianjin, China. Sci Total Environ. 2010;408(20):4681-94.
Kong, S., Han, B., Bai, Z., Chen, L., Shi, J., & Xu, Z. (2010). Receptor modeling of PM2.5, PM10 and TSP in different seasons and long-range transport analysis at a coastal site of Tianjin, China. The Science of the Total Environment, 408(20), 4681-94. https://doi.org/10.1016/j.scitotenv.2010.06.005
Kong S, et al. Receptor Modeling of PM2.5, PM10 and TSP in Different Seasons and Long-range Transport Analysis at a Coastal Site of Tianjin, China. Sci Total Environ. 2010 Sep 15;408(20):4681-94. PubMed PMID: 20655092.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Receptor modeling of PM2.5, PM10 and TSP in different seasons and long-range transport analysis at a coastal site of Tianjin, China. AU - Kong,Shaofei, AU - Han,Bin, AU - Bai,Zhipeng, AU - Chen,Li, AU - Shi,Jianwu, AU - Xu,Zhun, Y1 - 2010/07/23/ PY - 2009/12/26/received PY - 2010/05/20/revised PY - 2010/06/04/accepted PY - 2010/7/27/entrez PY - 2010/7/27/pubmed PY - 2010/9/25/medline SP - 4681 EP - 94 JF - The Science of the total environment JO - Sci. Total Environ. VL - 408 IS - 20 N2 - Atmospheric particulate matter (PM(2.5), PM(10) and TSP) were sampled synchronously during three monitoring campaigns from June 2007 to February 2008 at a coastal site in TEDA of Tianjin, China. Chemical compositions including 19 elements, 6 water-solubility ions, organic and elemental carbon were determined. principle components analysis (PCA) and chemical mass balance modeling (CMB) were applied to determine the PM sources and their contributions with the assistance of NSS SO(4)(2)(-), the mass ratios of NO(3)(-) to SO(4)(2)(-) and OC to EC. Air mass backward trajectory model was compared with source apportionment results to evaluate the origin of PM. Results showed that NSS SO(4)(2)(-) values for PM(2.5) were 2147.38, 1701.26 and 239.80 ng/m(3) in summer, autumn and winter, reflecting the influence of sources from local emissions. Most of it was below zero in summer for PM(10) indicating the influence of sea salt. The ratios of NO(3)(-) to SO(4)(2)(-) was 0.19 for PM(2.5), 0.18 for PM(10) and 0.19 for TSP in winter indicating high amounts of coal consumed for heating purpose. Higher OC/EC values (mostly larger than 2.5) demonstrated that secondary organic aerosol was abundant at this site. The major sources were construction activities, road dust, vehicle emissions, marine aerosol, metal manufacturing, secondary sulfate aerosols, soil dust, biomass burning, some pharmaceutics industries and fuel-oil combustion according to PCA. Coal combustion, marine aerosol, vehicular emission and soil dust explained 5-31%, 1-13%, 13-44% and 3-46% for PM(2.5), PM(10) and TSP, respectively. Backward trajectory analysis showed air parcels originating from sea accounted for 39% in summer, while in autumn and winter the air parcels were mainly related to continental origin. SN - 1879-1026 UR - https://www.unboundmedicine.com/medline/citation/20655092/Receptor_modeling_of_PM2_5_PM10_and_TSP_in_different_seasons_and_long_range_transport_analysis_at_a_coastal_site_of_Tianjin_China_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0048-9697(10)00595-4 DB - PRIME DP - Unbound Medicine ER -