the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Characteristics and source apportionment of atmospheric aerosols at the summit of Mount Tai during summertime
Abstract. To investigate the long-range transport of air pollutants in North China, aerosol samples were collected at the summit of Mount Tai (Shandong province) in June of 2006. Water-soluble ion and metal element concentrations were analyzed using ion chromatography (IC) and inductively coupled plasma-mass spectrometry (ICP-MS), respectively. Results showed three different size distributions for the ions and metal elements characterized, including masses in: (i) the accumulation mode, with a peak at 0.43 to 1.1 μm (SO42−, NH4+, K+, Pb, Zn, Ti); (ii) the coarse particle mode, with a peak at 4.7 to 5.8 μm (Ca2+, Mg2+, Ca, Mg, Fe, Al, Ba, Mn); and (iii) a bimodal distribution, with peaks at 0.43 to 0.65 μm and 4.7 to 5.8 μm (NO3−, Na+, Cl−, Na, Co, Ni, Mo, Cu). When SO42− was in high concentration, the mass median diameter was between 0.5 μm and 0.8 μm, belonging to the "drop mode". The concentrations of SO42−, NO3−, NH4+, and K+ were quite variable. Interestingly, SO42−, NO3−, and NH4+ reached their highest concentrations when the humid air mass was coming from the south. Furthermore, crustal element concentrations increased when the air mass came from the north and pollution element concentrations were elevated when the air mass came from the south.
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RC C4967: 'Review', Anonymous Referee #1, 18 Sep 2009
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AC C8719: 'Anonymous Referee #1', Honghui Xu, 20 Dec 2009
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AC C8719: 'Anonymous Referee #1', Honghui Xu, 20 Dec 2009
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RC C5207: 'Referee comment', Anonymous Referee #2, 24 Sep 2009
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AC C8724: 'response to Referee #2', Honghui Xu, 20 Dec 2009
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AC C8724: 'response to Referee #2', Honghui Xu, 20 Dec 2009
- Printer-friendly version
- Supplement
-
RC C4967: 'Review', Anonymous Referee #1, 18 Sep 2009
-
AC C8719: 'Anonymous Referee #1', Honghui Xu, 20 Dec 2009
-
AC C8719: 'Anonymous Referee #1', Honghui Xu, 20 Dec 2009
-
RC C5207: 'Referee comment', Anonymous Referee #2, 24 Sep 2009
-
AC C8724: 'response to Referee #2', Honghui Xu, 20 Dec 2009
-
AC C8724: 'response to Referee #2', Honghui Xu, 20 Dec 2009
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Cited
10 citations as recorded by crossref.
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- Measurement of overall uptake coefficients for HO<sub>2</sub> radicals by aerosol particles sampled from ambient air at Mts. Tai and Mang (China) F. Taketani et al. 10.5194/acp-12-11907-2012
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- Impacts of aerosols on summertime tropospheric photolysis frequencies and photochemistry over Central Eastern China J. Li et al. 10.1016/j.atmosenv.2011.01.016
