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Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China
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| Zeitschriftentitel: | Journal of Geophysical Research: Atmospheres |
|---|---|
| Personen und Körperschaften: | , , , , , , |
| In: | Journal of Geophysical Research: Atmospheres, 110, 2005, D15 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
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| Schlagwörter: |
| author_facet |
Zhang, X. Y. Wang, Y. Q. Wang, D. Gong, S. L. Arimoto, R. Mao, L. J. Li, J. Zhang, X. Y. Wang, Y. Q. Wang, D. Gong, S. L. Arimoto, R. Mao, L. J. Li, J. |
|---|---|
| author |
Zhang, X. Y. Wang, Y. Q. Wang, D. Gong, S. L. Arimoto, R. Mao, L. J. Li, J. |
| spellingShingle |
Zhang, X. Y. Wang, Y. Q. Wang, D. Gong, S. L. Arimoto, R. Mao, L. J. Li, J. Journal of Geophysical Research: Atmospheres Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| author_sort |
zhang, x. y. |
| spelling |
Zhang, X. Y. Wang, Y. Q. Wang, D. Gong, S. L. Arimoto, R. Mao, L. J. Li, J. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2004jd005457 <jats:p>Concentrations of 12‐hour averaged organic carbon (OC), elemental carbon (EC), and other trace elements were determined from bulk aerosol samples at a coastal city of Lian Yun Gang (LYG) in east China from June to December 2003 and a sandy land site of Tong Liao in northeast China from June to August 2003. Regional transports from four main source areas accounted for ∼35–49% of the Asian dust and 16–18% of the carbonaceous particles for both sites. The regional mean concentrations of various species, especially EC, were comparable to or lower than those in urban areas of inland China, Korea, and Japan but tended to be higher than those in Hong Kong or rural sites in east Asia. At LYG, OC showed a clear seasonal pattern with a peak loading in winter (24 μg m<jats:sup>−3</jats:sup>) and a low in summer (10 μg m<jats:sup>−3</jats:sup>). Seasonality of EC was more pronounced than that of OC with a difference of approximately threefold (3.8 to 11 μg m<jats:sup>−3</jats:sup>). Three types of air masses with high particulate loadings were found to be responsible for the peak EC and low OC/EC ratios in winter. Clean air masses with more than 50% secondary organic carbon contents were largely of marine origins. Elemental concentrations (Ca, Fe, K, Mn, and Ti) were mainly associated with Asian dust aerosols with a certain fraction of K from biomass burning in mainland China characterized with a ratio of 1.3 for OC/K.</jats:p> Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China Journal of Geophysical Research: Atmospheres |
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10.1029/2004jd005457 |
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Geologie und Paläontologie Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik Technik |
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| title |
Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_unstemmed |
Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_full |
Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_fullStr |
Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_full_unstemmed |
Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_short |
Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_sort |
characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of china |
| topic |
Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| url |
http://dx.doi.org/10.1029/2004jd005457 |
| publishDate |
2005 |
| physical |
|
| description |
<jats:p>Concentrations of 12‐hour averaged organic carbon (OC), elemental carbon (EC), and other trace elements were determined from bulk aerosol samples at a coastal city of Lian Yun Gang (LYG) in east China from June to December 2003 and a sandy land site of Tong Liao in northeast China from June to August 2003. Regional transports from four main source areas accounted for ∼35–49% of the Asian dust and 16–18% of the carbonaceous particles for both sites. The regional mean concentrations of various species, especially EC, were comparable to or lower than those in urban areas of inland China, Korea, and Japan but tended to be higher than those in Hong Kong or rural sites in east Asia. At LYG, OC showed a clear seasonal pattern with a peak loading in winter (24 μg m<jats:sup>−3</jats:sup>) and a low in summer (10 μg m<jats:sup>−3</jats:sup>). Seasonality of EC was more pronounced than that of OC with a difference of approximately threefold (3.8 to 11 μg m<jats:sup>−3</jats:sup>). Three types of air masses with high particulate loadings were found to be responsible for the peak EC and low OC/EC ratios in winter. Clean air masses with more than 50% secondary organic carbon contents were largely of marine origins. Elemental concentrations (Ca, Fe, K, Mn, and Ti) were mainly associated with Asian dust aerosols with a certain fraction of K from biomass burning in mainland China characterized with a ratio of 1.3 for OC/K.</jats:p> |
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| author | Zhang, X. Y., Wang, Y. Q., Wang, D., Gong, S. L., Arimoto, R., Mao, L. J., Li, J. |
| author_facet | Zhang, X. Y., Wang, Y. Q., Wang, D., Gong, S. L., Arimoto, R., Mao, L. J., Li, J., Zhang, X. Y., Wang, Y. Q., Wang, D., Gong, S. L., Arimoto, R., Mao, L. J., Li, J. |
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| description | <jats:p>Concentrations of 12‐hour averaged organic carbon (OC), elemental carbon (EC), and other trace elements were determined from bulk aerosol samples at a coastal city of Lian Yun Gang (LYG) in east China from June to December 2003 and a sandy land site of Tong Liao in northeast China from June to August 2003. Regional transports from four main source areas accounted for ∼35–49% of the Asian dust and 16–18% of the carbonaceous particles for both sites. The regional mean concentrations of various species, especially EC, were comparable to or lower than those in urban areas of inland China, Korea, and Japan but tended to be higher than those in Hong Kong or rural sites in east Asia. At LYG, OC showed a clear seasonal pattern with a peak loading in winter (24 μg m<jats:sup>−3</jats:sup>) and a low in summer (10 μg m<jats:sup>−3</jats:sup>). Seasonality of EC was more pronounced than that of OC with a difference of approximately threefold (3.8 to 11 μg m<jats:sup>−3</jats:sup>). Three types of air masses with high particulate loadings were found to be responsible for the peak EC and low OC/EC ratios in winter. Clean air masses with more than 50% secondary organic carbon contents were largely of marine origins. Elemental concentrations (Ca, Fe, K, Mn, and Ti) were mainly associated with Asian dust aerosols with a certain fraction of K from biomass burning in mainland China characterized with a ratio of 1.3 for OC/K.</jats:p> |
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| imprint | American Geophysical Union (AGU), 2005 |
| imprint_str_mv | American Geophysical Union (AGU), 2005 |
| institution | DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Zi4, DE-Gla1, DE-15, DE-Pl11, DE-Rs1, DE-14, DE-105, DE-Ch1, DE-L229 |
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| spelling | Zhang, X. Y. Wang, Y. Q. Wang, D. Gong, S. L. Arimoto, R. Mao, L. J. Li, J. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2004jd005457 <jats:p>Concentrations of 12‐hour averaged organic carbon (OC), elemental carbon (EC), and other trace elements were determined from bulk aerosol samples at a coastal city of Lian Yun Gang (LYG) in east China from June to December 2003 and a sandy land site of Tong Liao in northeast China from June to August 2003. Regional transports from four main source areas accounted for ∼35–49% of the Asian dust and 16–18% of the carbonaceous particles for both sites. The regional mean concentrations of various species, especially EC, were comparable to or lower than those in urban areas of inland China, Korea, and Japan but tended to be higher than those in Hong Kong or rural sites in east Asia. At LYG, OC showed a clear seasonal pattern with a peak loading in winter (24 μg m<jats:sup>−3</jats:sup>) and a low in summer (10 μg m<jats:sup>−3</jats:sup>). Seasonality of EC was more pronounced than that of OC with a difference of approximately threefold (3.8 to 11 μg m<jats:sup>−3</jats:sup>). Three types of air masses with high particulate loadings were found to be responsible for the peak EC and low OC/EC ratios in winter. Clean air masses with more than 50% secondary organic carbon contents were largely of marine origins. Elemental concentrations (Ca, Fe, K, Mn, and Ti) were mainly associated with Asian dust aerosols with a certain fraction of K from biomass burning in mainland China characterized with a ratio of 1.3 for OC/K.</jats:p> Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China Journal of Geophysical Research: Atmospheres |
| spellingShingle | Zhang, X. Y., Wang, Y. Q., Wang, D., Gong, S. L., Arimoto, R., Mao, L. J., Li, J., Journal of Geophysical Research: Atmospheres, Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China, Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| title | Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_full | Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_fullStr | Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_full_unstemmed | Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_short | Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| title_sort | characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of china |
| title_unstemmed | Characterization and sources of regional‐scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China |
| topic | Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| url | http://dx.doi.org/10.1029/2004jd005457 |