Observations and analysis of organic aerosol evolution in some prescribed fire smoke plumes

May, A. A.; Lee, T.; McMeeking, G. R.; Akagi, S.; Sullivan, A. P.; Urbanski, S.; Yokelson, R. J.; Kreidenweis, S. M.

doi:10.5194/acp-15-6323-2015

Articles | Volume 15, issue 11

https://doi.org/10.5194/acp-15-6323-2015

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

https://doi.org/10.5194/acp-15-6323-2015

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

Articles | Volume 15, issue 11

Research article

|

11 Jun 2015

Research article |

| 11 Jun 2015

Observations and analysis of organic aerosol evolution in some prescribed fire smoke plumes

A. A. May, T. Lee, G. R. McMeeking, S. Akagi, A. P. Sullivan, S. Urbanski, R. J. Yokelson, and S. M. Kreidenweis

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Views and downloads (calculated since 21 Jan 2015)

Month	HTML	PDF	XML	Total
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Apr 2015	28	17	4	49
May 2015	16	16	3	35
Jun 2015	175	107	7	289
Jul 2015	51	25	4	80
Aug 2015	26	36	1	63
Sep 2015	23	30	0	53
Oct 2015	30	6	0	36
Nov 2015	36	30	2	68
Dec 2015	12	34	4	50
Jan 2016	44	37	3	84
Feb 2016	25	35	2	62
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Apr 2016	13	37	1	51
May 2016	10	17	0	27
Jun 2016	4	1	0	5
Jul 2016	9	6	3	18
Aug 2016	8	4	1	13
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Oct 2016	11	6	1	18
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Jan 2017	19	13	0	32
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Jun 2019	6	11	0	17
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Oct 2023	55	10	2	67
Nov 2023	24	3	0	27
Dec 2023	50	16	3	69
Jan 2024	55	13	1	69
Feb 2024	38	10	0	48
Mar 2024	49	19	3	71
Apr 2024	47	11	4	62
May 2024	21	21	3	45
Jun 2024	13	9	2	24
Jul 2024	23	29	3	55
Aug 2024	16	10	3	29
Sep 2024	7	7	0	14
Oct 2024	25	9	1	35
Nov 2024	13	8	3	24
Dec 2024	10	13	2	25
Jan 2025	24	16	1	41
Feb 2025	23	11	2	36
Mar 2025	31	13	3	47
Apr 2025	22	17	0	39
May 2025	32	11	1	44
Jun 2025	51	17	0	68
Jul 2025	32	22	0	54
Aug 2025	56	15	2	73
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Cumulative views and downloads (calculated since 21 Jan 2015)

Month	HTML	PDF	XML	Total
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Feb 2015	47	29	0	76
Mar 2015	15	13	1	29
Apr 2015	28	17	4	49
May 2015	16	16	3	35
Jun 2015	175	107	7	289
Jul 2015	51	25	4	80
Aug 2015	26	36	1	63
Sep 2015	23	30	0	53
Oct 2015	30	6	0	36
Nov 2015	36	30	2	68
Dec 2015	12	34	4	50
Jan 2016	44	37	3	84
Feb 2016	25	35	2	62
Mar 2016	25	42	0	67
Apr 2016	13	37	1	51
May 2016	10	17	0	27
Jun 2016	4	1	0	5
Jul 2016	9	6	3	18
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Oct 2016	11	6	1	18
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Jan 2017	19	13	0	32
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May 2017	22	22	1	45
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Aug 2017	6	8	2	16
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Jan 2024	55	13	1	69
Feb 2024	38	10	0	48
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May 2024	21	21	3	45
Jun 2024	13	9	2	24
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Oct 2024	25	9	1	35
Nov 2024	13	8	3	24
Dec 2024	10	13	2	25
Jan 2025	24	16	1	41
Feb 2025	23	11	2	36
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Apr 2025	22	17	0	39
May 2025	32	11	1	44
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Aug 2025	56	15	2	73
Sep 2025	80	16	2	98
Oct 2025	21	24	0	45
Nov 2025	15	13	3	31

Latest update: 18 Nov 2025

Short summary

Smoke plumes from some prescribed fires in the southeastern United States were sampled via aircraft to observe changes in organic aerosol (OA) with atmospheric transport. These plumes underwent rapid mixing, and, hence, substantial dilution with background air occurred. Dilution-driven evaporation appears to be the primary driver of OA transformations within the sampled plumes rather than photochemistry.