Influences of emission sources and meteorology on aerosol chemistry in a  polluted urban environment: results from DISCOVER-AQ California

Young, Dominique E.; Kim, Hwajin; Parworth, Caroline; Zhou, Shan; Zhang, Xiaolu; Cappa, Christopher D.; Seco, Roger; Kim, Saewung; Zhang, Qi

doi:10.5194/acp-16-5427-2016

Articles | Volume 16, issue 8

https://doi.org/10.5194/acp-16-5427-2016

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

https://doi.org/10.5194/acp-16-5427-2016

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

Articles | Volume 16, issue 8

Research article

|

02 May 2016

Research article |

| 02 May 2016

Influences of emission sources and meteorology on aerosol chemistry in a polluted urban environment: results from DISCOVER-AQ California

Dominique E. Young, Hwajin Kim, Caroline Parworth, Shan Zhou, Xiaolu Zhang, Christopher D. Cappa, Roger Seco, Saewung Kim, and Qi Zhang

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Views and downloads (calculated since 15 Dec 2015)

Month	HTML	PDF	XML	Total
Dec 2015	145	99	8	252
Jan 2016	56	66	3	125
Feb 2016	56	40	2	98
Mar 2016	63	52	0	115
Apr 2016	32	33	0	65
May 2016	313	128	6	447
Jun 2016	22	26	2	50
Jul 2016	23	20	3	46
Aug 2016	22	11	0	33
Sep 2016	14	15	0	29
Oct 2016	24	28	0	52
Nov 2016	9	13	0	22
Dec 2016	8	7	0	15
Jan 2017	26	25	1	52
Feb 2017	24	22	1	47
Mar 2017	51	30	3	84
Apr 2017	38	25	1	64
May 2017	40	26	1	67
Jun 2017	33	20	1	54
Jul 2017	27	15	0	42
Aug 2017	15	20	2	37
Sep 2017	15	30	2	47
Oct 2017	19	28	0	47
Nov 2017	18	30	0	48
Dec 2017	16	21	5	42
Jan 2018	12	21	2	35
Feb 2018	14	24	0	38
Mar 2018	19	26	1	46
Apr 2018	14	24	0	38
May 2018	27	23	1	51
Jun 2018	7	14	1	22
Jul 2018	8	13	1	22
Aug 2018	19	16	0	35
Sep 2018	18	19	0	37
Oct 2018	22	25	3	50
Nov 2018	21	21	5	47
Dec 2018	9	10	2	21
Jan 2019	9	27	3	39
Feb 2019	9	4	0	13
Mar 2019	12	19	1	32
Apr 2019	10	15	2	27
May 2019	15	18	3	36
Jun 2019	13	18	3	34
Jul 2019	20	16	5	41
Aug 2019	9	12	2	23
Sep 2019	10	13	0	23
Oct 2019	10	12	2	24
Nov 2019	15	12	1	28
Dec 2019	12	9	0	21
Jan 2020	12	11	0	23
Feb 2020	18	9	0	27
Mar 2020	11	5	0	16
Apr 2020	11	10	0	21
May 2020	19	12	0	31
Jun 2020	23	12	1	36
Jul 2020	26	10	8	44
Aug 2020	10	17	3	30
Sep 2020	10	5	1	16
Oct 2020	6	12	2	20
Nov 2020	10	8	2	20
Dec 2020	13	8	0	21
Jan 2021	23	9	0	32
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Jun 2021	13	9	0	22
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Jun 2022	16	14	1	31
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Oct 2022	19	11	1	31
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Dec 2022	17	9	1	27
Jan 2023	18	12	0	30
Feb 2023	17	14	0	31
Mar 2023	42	18	1	61
Apr 2023	25	14	0	39
May 2023	46	24	0	70
Jun 2023	52	11	1	64
Jul 2023	49	6	0	55
Aug 2023	47	8	2	57
Sep 2023	47	7	1	55
Oct 2023	48	6	2	56
Nov 2023	30	3	0	33
Dec 2023	55	9	2	66
Jan 2024	54	5	0	59
Feb 2024	48	8	0	56
Mar 2024	56	15	1	72
Apr 2024	46	22	4	72
May 2024	29	25	3	57
Jun 2024	54	6	1	61
Jul 2024	19	17	3	39
Aug 2024	53	16	2	71
Sep 2024	28	4	0	32
Oct 2024	48	23	1	72
Nov 2024	38	15	2	55
Dec 2024	26	4	6	36
Jan 2025	23	9	4	36
Feb 2025	38	16	0	54
Mar 2025	19	13	0	32
Apr 2025	30	18	2	50
May 2025	30	9	0	39
Jun 2025	45	5	3	53
Jul 2025	28	17	2	47
Aug 2025	53	11	0	64
Sep 2025	60	10	2	72
Oct 2025	21	27	0	48
Nov 2025	41	30	4	75
Dec 2025	38	30	1	69
Jan 2026	43	27	10	80
Feb 2026	37	18	9	64
Mar 2026	26	43	5	74
Apr 2026	14	15	1	30

Cumulative views and downloads (calculated since 15 Dec 2015)

Month	HTML	PDF	XML	Total
Dec 2015	145	99	8	252
Jan 2016	56	66	3	125
Feb 2016	56	40	2	98
Mar 2016	63	52	0	115
Apr 2016	32	33	0	65
May 2016	313	128	6	447
Jun 2016	22	26	2	50
Jul 2016	23	20	3	46
Aug 2016	22	11	0	33
Sep 2016	14	15	0	29
Oct 2016	24	28	0	52
Nov 2016	9	13	0	22
Dec 2016	8	7	0	15
Jan 2017	26	25	1	52
Feb 2017	24	22	1	47
Mar 2017	51	30	3	84
Apr 2017	38	25	1	64
May 2017	40	26	1	67
Jun 2017	33	20	1	54
Jul 2017	27	15	0	42
Aug 2017	15	20	2	37
Sep 2017	15	30	2	47
Oct 2017	19	28	0	47
Nov 2017	18	30	0	48
Dec 2017	16	21	5	42
Jan 2018	12	21	2	35
Feb 2018	14	24	0	38
Mar 2018	19	26	1	46
Apr 2018	14	24	0	38
May 2018	27	23	1	51
Jun 2018	7	14	1	22
Jul 2018	8	13	1	22
Aug 2018	19	16	0	35
Sep 2018	18	19	0	37
Oct 2018	22	25	3	50
Nov 2018	21	21	5	47
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Jul 2019	20	16	5	41
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Jan 2021	23	9	0	32
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Mar 2022	19	13	0	32
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Jun 2022	16	14	1	31
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Dec 2022	17	9	1	27
Jan 2023	18	12	0	30
Feb 2023	17	14	0	31
Mar 2023	42	18	1	61
Apr 2023	25	14	0	39
May 2023	46	24	0	70
Jun 2023	52	11	1	64
Jul 2023	49	6	0	55
Aug 2023	47	8	2	57
Sep 2023	47	7	1	55
Oct 2023	48	6	2	56
Nov 2023	30	3	0	33
Dec 2023	55	9	2	66
Jan 2024	54	5	0	59
Feb 2024	48	8	0	56
Mar 2024	56	15	1	72
Apr 2024	46	22	4	72
May 2024	29	25	3	57
Jun 2024	54	6	1	61
Jul 2024	19	17	3	39
Aug 2024	53	16	2	71
Sep 2024	28	4	0	32
Oct 2024	48	23	1	72
Nov 2024	38	15	2	55
Dec 2024	26	4	6	36
Jan 2025	23	9	4	36
Feb 2025	38	16	0	54
Mar 2025	19	13	0	32
Apr 2025	30	18	2	50
May 2025	30	9	0	39
Jun 2025	45	5	3	53
Jul 2025	28	17	2	47
Aug 2025	53	11	0	64
Sep 2025	60	10	2	72
Oct 2025	21	27	0	48
Nov 2025	41	30	4	75
Dec 2025	38	30	1	69
Jan 2026	43	27	10	80
Feb 2026	37	18	9	64
Mar 2026	26	43	5	74
Apr 2026	14	15	1	30

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Short summary

Aerosol chemistry and the sources and processes driving the observed temporal and diurnal variations of PM were studied in a polluted urban environment during winter 2013. These results were compared to a similar campaign from winter 2010. Meteorology strongly influenced PM composition, both directly and indirectly. Nighttime reactions played a more important role in 2013 and the influence from a nighttime formed residual layer that mixed down in the morning was also much more intense in 2013.