Source apportionment of atmospheric ammonia before, during, and after the
2014 APEC summit in Beijing using stable nitrogen isotope signatures

Chang, Yunhua; Liu, Xuejun; Deng, Congrui; Dore, Anthony J.; Zhuang, Guoshun

doi:10.5194/acp-16-11635-2016

Articles | Volume 16, issue 18

https://doi.org/10.5194/acp-16-11635-2016

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

https://doi.org/10.5194/acp-16-11635-2016

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

Articles | Volume 16, issue 18

Research article

|

20 Sep 2016

Research article |

| 20 Sep 2016

Source apportionment of atmospheric ammonia before, during, and after the 2014 APEC summit in Beijing using stable nitrogen isotope signatures

Yunhua Chang, Xuejun Liu, Congrui Deng, Anthony J. Dore, and Guoshun Zhuang

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Total article views: 5,070 (including HTML, PDF, and XML)

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Total: 5,070
Supplement: 720
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Views and downloads (calculated since 13 Jun 2016)

Month	HTML	PDF	XML	Total
Jun 2016	124	31	5	160
Jul 2016	22	9	0	31
Aug 2016	29	13	2	44
Sep 2016	106	40	1	147
Oct 2016	35	30	4	69
Nov 2016	10	9	4	23
Dec 2016	19	21	3	43
Jan 2017	28	22	2	52
Feb 2017	18	15	1	34
Mar 2017	52	48	5	105
Apr 2017	51	34	5	90
May 2017	44	32	3	79
Jun 2017	35	28	2	65
Jul 2017	24	17	1	42
Aug 2017	20	16	1	37
Sep 2017	22	18	1	41
Oct 2017	24	15	1	40
Nov 2017	26	25	1	52
Dec 2017	21	32	5	58
Jan 2018	25	22	2	49
Feb 2018	22	17	1	40
Mar 2018	22	18	0	40
Apr 2018	19	19	1	39
May 2018	24	16	1	41
Jun 2018	20	11	1	32
Jul 2018	13	10	0	23
Aug 2018	24	8	1	33
Sep 2018	17	18	1	36
Oct 2018	20	11	1	32
Nov 2018	20	18	2	40
Dec 2018	22	20	1	43
Jan 2019	21	23	0	44
Feb 2019	12	9	1	22
Mar 2019	18	14	1	33
Apr 2019	13	5	4	22
May 2019	11	13	0	24
Jun 2019	18	7	1	26
Jul 2019	17	13	2	32
Aug 2019	15	11	0	26
Sep 2019	13	9	1	23
Oct 2019	11	17	3	31
Nov 2019	9	8	0	17
Dec 2019	16	11	2	29
Jan 2020	11	10	4	25
Feb 2020	11	5	1	17
Mar 2020	7	6	0	13
Apr 2020	11	10	1	22
May 2020	14	12	1	27
Jun 2020	19	16	0	35
Jul 2020	17	14	5	36
Aug 2020	22	14	2	38
Sep 2020	15	16	0	31
Oct 2020	12	5	0	17
Nov 2020	14	10	1	25
Dec 2020	19	9	1	29
Jan 2021	25	13	0	38
Feb 2021	16	11	1	28
Mar 2021	22	8	0	30
Apr 2021	17	12	2	31
May 2021	11	5	1	17
Jun 2021	10	8	0	18
Jul 2021	15	13	1	29
Aug 2021	12	12	0	24
Sep 2021	15	16	0	31
Oct 2021	13	43	0	56
Nov 2021	18	31	1	50
Dec 2021	25	17	0	42
Jan 2022	27	18	1	46
Feb 2022	18	15	3	36
Mar 2022	25	20	2	47
Apr 2022	26	14	2	42
May 2022	15	8	0	23
Jun 2022	28	19	3	50
Jul 2022	14	9	0	23
Aug 2022	22	15	0	37
Sep 2022	24	9	2	35
Oct 2022	23	15	4	42
Nov 2022	31	15	0	46
Dec 2022	19	10	3	32
Jan 2023	13	13	1	27
Feb 2023	27	12	0	39
Mar 2023	35	27	2	64
Apr 2023	23	23	0	46
May 2023	34	12	0	46
Jun 2023	50	10	1	61
Jul 2023	51	8	1	60
Aug 2023	53	16	5	74
Sep 2023	49	9	2	60
Oct 2023	68	15	3	86
Nov 2023	70	6	0	76
Dec 2023	48	7	1	56
Jan 2024	51	12	2	65
Feb 2024	46	10	0	56
Mar 2024	67	12	2	81
Apr 2024	47	17	4	68
May 2024	29	6	3	38
Jun 2024	35	18	1	54
Jul 2024	29	18	4	51
Aug 2024	32	9	4	45
Sep 2024	25	11	0	36
Oct 2024	29	12	0	41
Nov 2024	17	7	2	26
Dec 2024	43	10	0	53
Jan 2025	29	11	1	41
Feb 2025	36	18	5	59
Mar 2025	40	11	1	52
Apr 2025	29	19	1	49
May 2025	40	7	1	48
Jun 2025	53	19	1	73
Jul 2025	41	12	3	56
Aug 2025	40	21	4	65
Sep 2025	52	10	1	63
Oct 2025	25	32	0	57
Nov 2025	23	17	1	41

Cumulative views and downloads (calculated since 13 Jun 2016)

Month	HTML	PDF	XML	Total
Jun 2016	124	31	5	160
Jul 2016	22	9	0	31
Aug 2016	29	13	2	44
Sep 2016	106	40	1	147
Oct 2016	35	30	4	69
Nov 2016	10	9	4	23
Dec 2016	19	21	3	43
Jan 2017	28	22	2	52
Feb 2017	18	15	1	34
Mar 2017	52	48	5	105
Apr 2017	51	34	5	90
May 2017	44	32	3	79
Jun 2017	35	28	2	65
Jul 2017	24	17	1	42
Aug 2017	20	16	1	37
Sep 2017	22	18	1	41
Oct 2017	24	15	1	40
Nov 2017	26	25	1	52
Dec 2017	21	32	5	58
Jan 2018	25	22	2	49
Feb 2018	22	17	1	40
Mar 2018	22	18	0	40
Apr 2018	19	19	1	39
May 2018	24	16	1	41
Jun 2018	20	11	1	32
Jul 2018	13	10	0	23
Aug 2018	24	8	1	33
Sep 2018	17	18	1	36
Oct 2018	20	11	1	32
Nov 2018	20	18	2	40
Dec 2018	22	20	1	43
Jan 2019	21	23	0	44
Feb 2019	12	9	1	22
Mar 2019	18	14	1	33
Apr 2019	13	5	4	22
May 2019	11	13	0	24
Jun 2019	18	7	1	26
Jul 2019	17	13	2	32
Aug 2019	15	11	0	26
Sep 2019	13	9	1	23
Oct 2019	11	17	3	31
Nov 2019	9	8	0	17
Dec 2019	16	11	2	29
Jan 2020	11	10	4	25
Feb 2020	11	5	1	17
Mar 2020	7	6	0	13
Apr 2020	11	10	1	22
May 2020	14	12	1	27
Jun 2020	19	16	0	35
Jul 2020	17	14	5	36
Aug 2020	22	14	2	38
Sep 2020	15	16	0	31
Oct 2020	12	5	0	17
Nov 2020	14	10	1	25
Dec 2020	19	9	1	29
Jan 2021	25	13	0	38
Feb 2021	16	11	1	28
Mar 2021	22	8	0	30
Apr 2021	17	12	2	31
May 2021	11	5	1	17
Jun 2021	10	8	0	18
Jul 2021	15	13	1	29
Aug 2021	12	12	0	24
Sep 2021	15	16	0	31
Oct 2021	13	43	0	56
Nov 2021	18	31	1	50
Dec 2021	25	17	0	42
Jan 2022	27	18	1	46
Feb 2022	18	15	3	36
Mar 2022	25	20	2	47
Apr 2022	26	14	2	42
May 2022	15	8	0	23
Jun 2022	28	19	3	50
Jul 2022	14	9	0	23
Aug 2022	22	15	0	37
Sep 2022	24	9	2	35
Oct 2022	23	15	4	42
Nov 2022	31	15	0	46
Dec 2022	19	10	3	32
Jan 2023	13	13	1	27
Feb 2023	27	12	0	39
Mar 2023	35	27	2	64
Apr 2023	23	23	0	46
May 2023	34	12	0	46
Jun 2023	50	10	1	61
Jul 2023	51	8	1	60
Aug 2023	53	16	5	74
Sep 2023	49	9	2	60
Oct 2023	68	15	3	86
Nov 2023	70	6	0	76
Dec 2023	48	7	1	56
Jan 2024	51	12	2	65
Feb 2024	46	10	0	56
Mar 2024	67	12	2	81
Apr 2024	47	17	4	68
May 2024	29	6	3	38
Jun 2024	35	18	1	54
Jul 2024	29	18	4	51
Aug 2024	32	9	4	45
Sep 2024	25	11	0	36
Oct 2024	29	12	0	41
Nov 2024	17	7	2	26
Dec 2024	43	10	0	53
Jan 2025	29	11	1	41
Feb 2025	36	18	5	59
Mar 2025	40	11	1	52
Apr 2025	29	19	1	49
May 2025	40	7	1	48
Jun 2025	53	19	1	73
Jul 2025	41	12	3	56
Aug 2025	40	21	4	65
Sep 2025	52	10	1	63
Oct 2025	25	32	0	57
Nov 2025	23	17	1	41

Latest update: 19 Nov 2025

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Short summary

First, we establish a pool of isotopic signatures (δ¹⁵N–NH₃) for the major NH₃ emission sources in China. Second, we demonstrated that the isotopic source signatures of NH₃ represent an emerging tool for partitioning NH₃ sources in urban atmospheres.