Substantial secondary organic aerosol formation in a coniferous forest: observations of both day- and nighttime chemistry

Lee, Alex K. Y.; Abbatt, Jonathan P. D.; Leaitch, W. Richard; Li, Shao-Meng; Sjostedt, Steve J.; Wentzell, Jeremy J. B.; Liggio, John; Macdonald, Anne Marie

doi:10.5194/acp-16-6721-2016

Articles | Volume 16, issue 11

https://doi.org/10.5194/acp-16-6721-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-16-6721-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 11

Research article

|

03 Jun 2016

Research article |

| 03 Jun 2016

Substantial secondary organic aerosol formation in a coniferous forest: observations of both day- and nighttime chemistry

Alex K. Y. Lee, Jonathan P. D. Abbatt, W. Richard Leaitch, Shao-Meng Li, Steve J. Sjostedt, Jeremy J. B. Wentzell, John Liggio, and Anne Marie Macdonald

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Month	HTML	PDF	XML	Total
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Jan 2016	24	21	3	48
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May 2016	12	4	1	17
Jun 2016	158	80	3	241
Jul 2016	28	13	3	44
Aug 2016	23	12	1	36
Sep 2016	24	12	0	36
Oct 2016	15	10	0	25
Nov 2016	7	7	0	14
Dec 2016	9	4	0	13
Jan 2017	29	16	1	46
Feb 2017	15	12	0	27
Mar 2017	26	37	2	65
Apr 2017	34	52	0	86
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Jul 2017	18	7	0	25
Aug 2017	11	14	3	28
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Oct 2017	9	21	0	30
Nov 2017	14	29	0	43
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Jan 2018	10	15	0	25
Feb 2018	10	14	0	24
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Apr 2018	14	26	0	40
May 2018	17	23	3	43
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Dec 2024	15	7	3	25
Jan 2025	26	10	1	37
Feb 2025	34	11	4	49
Mar 2025	24	10	1	35
Apr 2025	29	19	3	51
May 2025	30	5	0	35
Jun 2025	61	16	5	82
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Aug 2025	49	17	1	67
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Oct 2025	24	24	0	48
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Cumulative views and downloads (calculated since 16 Oct 2015)

Month	HTML	PDF	XML	Total
Oct 2015	168	210	38	416
Nov 2015	71	74	8	153
Dec 2015	31	62	5	98
Jan 2016	24	21	3	48
Feb 2016	19	11	2	32
Mar 2016	17	6	2	25
Apr 2016	5	5	0	10
May 2016	12	4	1	17
Jun 2016	158	80	3	241
Jul 2016	28	13	3	44
Aug 2016	23	12	1	36
Sep 2016	24	12	0	36
Oct 2016	15	10	0	25
Nov 2016	7	7	0	14
Dec 2016	9	4	0	13
Jan 2017	29	16	1	46
Feb 2017	15	12	0	27
Mar 2017	26	37	2	65
Apr 2017	34	52	0	86
May 2017	34	17	2	53
Jun 2017	36	17	2	55
Jul 2017	18	7	0	25
Aug 2017	11	14	3	28
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Oct 2017	9	21	0	30
Nov 2017	14	29	0	43
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Apr 2018	14	26	0	40
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Dec 2023	49	16	2	67
Jan 2024	43	13	0	56
Feb 2024	39	11	0	50
Mar 2024	42	16	1	59
Apr 2024	39	7	4	50
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Oct 2024	23	9	0	32
Nov 2024	6	8	2	16
Dec 2024	15	7	3	25
Jan 2025	26	10	1	37
Feb 2025	34	11	4	49
Mar 2025	24	10	1	35
Apr 2025	29	19	3	51
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Jun 2025	61	16	5	82
Jul 2025	26	12	2	40
Aug 2025	49	17	1	67
Sep 2025	107	16	1	124
Oct 2025	24	24	0	48
Nov 2025	25	23	1	49

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Short summary

Substantial biogenic secondary organic aerosol (BSOA) formation was investigated in a coniferous forest mountain region in Whistler, British Columbia. A largely biogenic aerosol growth episode was observed, providing a unique opportunity to investigate BSOA formation chemistry in a forested environment. In particular, our observations provide insights into the relative importance of different oxidation mechanisms between day and night.