Mixing state and sources of submicron regional background aerosols in the northern Qinghai–Tibet Plateau and the influence of biomass burning

Li, W. J.; Chen, S. R.; Xu, Y. S.; Guo, X. C.; Sun, Y. L.; Yang, X. Y.; Wang, Z. F.; Zhao, X. D.; Chen, J. M.; Wang, W. X.

doi:10.5194/acp-15-13365-2015

Articles | Volume 15, issue 23

https://doi.org/10.5194/acp-15-13365-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Study of ozone, aerosols and radiation over the Tibetan Plateau...

https://doi.org/10.5194/acp-15-13365-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 23

Research article

|

02 Dec 2015

Research article |

| 02 Dec 2015

Mixing state and sources of submicron regional background aerosols in the northern Qinghai–Tibet Plateau and the influence of biomass burning

W. J. Li, S. R. Chen, Y. S. Xu, X. C. Guo, Y. L. Sun, X. Y. Yang, Z. F. Wang, X. D. Zhao, J. M. Chen, and W. X. Wang

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Nov 2015	23	23	7	53
Dec 2015	199	181	13	393
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Feb 2016	37	50	4	91
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Apr 2016	8	32	0	40
May 2016	19	28	1	48
Jun 2016	12	11	7	30
Jul 2016	14	11	3	28
Aug 2016	20	11	0	31
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Oct 2016	15	9	1	25
Nov 2016	12	15	0	27
Dec 2016	10	3	0	13
Jan 2017	21	9	0	30
Feb 2017	16	7	0	23
Mar 2017	40	28	1	69
Apr 2017	31	21	0	52
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Jun 2017	23	8	1	32
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Aug 2017	11	30	0	41
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Feb 2018	4	11	0	15
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Aug 2019	7	17	0	24
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Jul 2024	18	35	3	56
Aug 2024	26	5	0	31
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Feb 2025	12	7	1	20
Mar 2025	19	9	1	29
Apr 2025	23	11	1	35
May 2025	14	9	5	28
Jun 2025	39	21	0	60
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Aug 2025	32	16	1	49
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Cumulative views and downloads (calculated since 08 Sep 2015)

Month	HTML	PDF	XML	Total
Sep 2015	121	131	22	274
Oct 2015	19	23	9	51
Nov 2015	23	23	7	53
Dec 2015	199	181	13	393
Jan 2016	68	57	3	128
Feb 2016	37	50	4	91
Mar 2016	45	52	1	98
Apr 2016	8	32	0	40
May 2016	19	28	1	48
Jun 2016	12	11	7	30
Jul 2016	14	11	3	28
Aug 2016	20	11	0	31
Sep 2016	14	5	0	19
Oct 2016	15	9	1	25
Nov 2016	12	15	0	27
Dec 2016	10	3	0	13
Jan 2017	21	9	0	30
Feb 2017	16	7	0	23
Mar 2017	40	28	1	69
Apr 2017	31	21	0	52
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Nov 2023	24	4	0	28
Dec 2023	47	10	3	60
Jan 2024	44	10	1	55
Feb 2024	36	6	0	42
Mar 2024	41	12	2	55
Apr 2024	41	7	3	51
May 2024	15	14	6	35
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Aug 2024	26	5	0	31
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Nov 2024	9	6	2	17
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Feb 2025	12	7	1	20
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Apr 2025	23	11	1	35
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Jun 2025	39	21	0	60
Jul 2025	25	16	1	42
Aug 2025	32	16	1	49
Sep 2025	55	18	3	76
Oct 2025	10	31	2	43
Nov 2025	29	10	3	42

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Short summary

We found that anthropogenic soot, fly ash, and visible organic particles likely adhere to the surface of secondary inorganic particles larger than 200nm due to coagulation. Biomass burning and coal combustion both constantly contribute to anthropogenic particles in the Qinghai-Tibet Plateau (QTP) background atmosphere. Organic coating and soot on the surface of the aged particles could have different impacts on their hygroscopic and optical properties in the QTP compared to the urban aerosols.