Characteristics of trace metals in traffic-derived particles in Hsuehshan Tunnel, Taiwan: size distribution, potential source, and fingerprinting metal ratio

Lin, Y.-C.; Tsai, C.-J.; Wu, Y.-C.; Zhang, R.; Chi, K.-H.; Huang, Y.-T.; Lin, S.-H.; Hsu, S.-C.

doi:10.5194/acp-15-4117-2015

Articles | Volume 15, issue 8

https://doi.org/10.5194/acp-15-4117-2015

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

https://doi.org/10.5194/acp-15-4117-2015

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

Articles | Volume 15, issue 8

Research article

|

21 Apr 2015

Research article |

| 21 Apr 2015

Characteristics of trace metals in traffic-derived particles in Hsuehshan Tunnel, Taiwan: size distribution, potential source, and fingerprinting metal ratio

Y.-C. Lin, C.-J. Tsai, Y.-C. Wu, R. Zhang, K.-H. Chi, Y.-T. Huang, S.-H. Lin, and S.-C. Hsu

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Total article views: 9,226 (including HTML, PDF, and XML)

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XML: 266
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BibTeX: 186
EndNote: 220

Views and downloads (calculated since 28 May 2014)

Month	HTML	PDF	XML	Total
May 2014	80	130	3	213
Jun 2014	46	453	12	511
Jul 2014	43	376	16	435
Aug 2014	31	393	14	438
Sep 2014	76	389	21	486
Oct 2014	25	398	9	432
Nov 2014	34	501	10	545
Dec 2014	28	518	10	556
Jan 2015	17	245	7	269
Feb 2015	10	19	0	29
Mar 2015	16	7	6	29
Apr 2015	126	101	9	236
May 2015	48	40	7	95
Jun 2015	40	26	1	67
Jul 2015	47	35	1	83
Aug 2015	24	31	7	62
Sep 2015	3	13	3	19
Oct 2015	23	7	2	32
Nov 2015	40	20	4	64
Dec 2015	10	15	4	29
Jan 2016	35	28	5	68
Feb 2016	29	9	0	38
Mar 2016	24	13	0	37
Apr 2016	13	8	0	21
May 2016	13	7	0	20
Jun 2016	7	1	0	8
Jul 2016	10	6	3	19
Aug 2016	8	2	0	10
Sep 2016	14	6	0	20
Oct 2016	11	7	0	18
Nov 2016	6	6	0	12
Dec 2016	4	6	0	10
Jan 2017	18	12	2	32
Feb 2017	13	5	1	19
Mar 2017	20	12	2	34
Apr 2017	24	15	0	39
May 2017	25	18	0	43
Jun 2017	25	13	0	38
Jul 2017	20	9	0	29
Aug 2017	5	13	0	18
Sep 2017	9	11	0	20
Oct 2017	23	20	2	45
Nov 2017	7	9	0	16
Dec 2017	14	16	0	30
Jan 2018	3	13	1	17
Feb 2018	13	22	0	35
Mar 2018	14	17	0	31
Apr 2018	18	16	0	34
May 2018	12	16	0	28
Jun 2018	7	15	0	22
Jul 2018	14	21	0	35
Aug 2018	14	15	0	29
Sep 2018	9	10	0	19
Oct 2018	24	16	3	43
Nov 2018	11	15	0	26
Dec 2018	19	11	1	31
Jan 2019	9	10	1	20
Feb 2019	8	4	0	12
Mar 2019	10	8	0	18
Apr 2019	16	8	0	24
May 2019	13	12	1	26
Jun 2019	14	13	0	27
Jul 2019	7	6	0	13
Aug 2019	17	13	1	31
Sep 2019	7	9	1	17
Oct 2019	8	9	0	17
Nov 2019	6	11	0	17
Dec 2019	5	9	0	14
Jan 2020	13	6	0	19
Feb 2020	15	9	0	24
Mar 2020	8	2	0	10
Apr 2020	13	6	0	19
May 2020	15	6	0	21
Jun 2020	24	6	0	30
Jul 2020	23	19	7	49
Aug 2020	16	6	4	26
Sep 2020	9	6	0	15
Oct 2020	9	10	1	20
Nov 2020	9	10	1	20
Dec 2020	15	4	0	19
Jan 2021	23	10	0	33
Feb 2021	18	14	0	32
Mar 2021	15	16	0	31
Apr 2021	16	13	0	29
May 2021	16	11	1	28
Jun 2021	19	9	0	28
Jul 2021	11	10	1	22
Aug 2021	14	16	0	30
Sep 2021	22	13	1	36
Oct 2021	16	41	1	58
Nov 2021	25	24	1	50
Dec 2021	24	11	1	36
Jan 2022	18	14	0	32
Feb 2022	24	9	1	34
Mar 2022	32	6	0	38
Apr 2022	25	4	1	30
May 2022	15	7	0	22
Jun 2022	14	2	1	17
Jul 2022	9	5	0	14
Aug 2022	21	9	0	30
Sep 2022	10	9	0	19
Oct 2022	23	6	1	30
Nov 2022	33	15	2	50
Dec 2022	24	10	4	38
Jan 2023	25	9	1	35
Feb 2023	25	8	1	34
Mar 2023	31	15	1	47
Apr 2023	15	15	0	30
May 2023	37	12	0	49
Jun 2023	51	6	2	59
Jul 2023	44	6	2	52
Aug 2023	48	12	4	64
Sep 2023	58	10	2	70
Oct 2023	46	11	1	58
Nov 2023	35	4	0	39
Dec 2023	67	10	3	80
Jan 2024	57	16	2	75
Feb 2024	64	28	6	98
Mar 2024	63	25	0	88
Apr 2024	60	20	1	81
May 2024	35	34	2	71
Jun 2024	34	30	2	66
Jul 2024	39	32	1	72
Aug 2024	56	20	3	79
Sep 2024	30	20	0	50
Oct 2024	44	14	1	59
Nov 2024	31	17	2	50
Dec 2024	30	19	2	51
Jan 2025	40	15	0	55
Feb 2025	29	12	2	43
Mar 2025	39	27	4	70
Apr 2025	31	21	2	54
May 2025	42	22	0	64
Jun 2025	75	18	3	96
Jul 2025	42	25	1	68
Aug 2025	32	22	0	54
Sep 2025	43	22	1	66
Oct 2025	34	26	4	64
Nov 2025	42	26	6	74
Dec 2025	38	32	1	71
Jan 2026	65	22	4	91

Cumulative views and downloads (calculated since 28 May 2014)

Month	HTML	PDF	XML	Total
May 2014	80	130	3	213
Jun 2014	46	453	12	511
Jul 2014	43	376	16	435
Aug 2014	31	393	14	438
Sep 2014	76	389	21	486
Oct 2014	25	398	9	432
Nov 2014	34	501	10	545
Dec 2014	28	518	10	556
Jan 2015	17	245	7	269
Feb 2015	10	19	0	29
Mar 2015	16	7	6	29
Apr 2015	126	101	9	236
May 2015	48	40	7	95
Jun 2015	40	26	1	67
Jul 2015	47	35	1	83
Aug 2015	24	31	7	62
Sep 2015	3	13	3	19
Oct 2015	23	7	2	32
Nov 2015	40	20	4	64
Dec 2015	10	15	4	29
Jan 2016	35	28	5	68
Feb 2016	29	9	0	38
Mar 2016	24	13	0	37
Apr 2016	13	8	0	21
May 2016	13	7	0	20
Jun 2016	7	1	0	8
Jul 2016	10	6	3	19
Aug 2016	8	2	0	10
Sep 2016	14	6	0	20
Oct 2016	11	7	0	18
Nov 2016	6	6	0	12
Dec 2016	4	6	0	10
Jan 2017	18	12	2	32
Feb 2017	13	5	1	19
Mar 2017	20	12	2	34
Apr 2017	24	15	0	39
May 2017	25	18	0	43
Jun 2017	25	13	0	38
Jul 2017	20	9	0	29
Aug 2017	5	13	0	18
Sep 2017	9	11	0	20
Oct 2017	23	20	2	45
Nov 2017	7	9	0	16
Dec 2017	14	16	0	30
Jan 2018	3	13	1	17
Feb 2018	13	22	0	35
Mar 2018	14	17	0	31
Apr 2018	18	16	0	34
May 2018	12	16	0	28
Jun 2018	7	15	0	22
Jul 2018	14	21	0	35
Aug 2018	14	15	0	29
Sep 2018	9	10	0	19
Oct 2018	24	16	3	43
Nov 2018	11	15	0	26
Dec 2018	19	11	1	31
Jan 2019	9	10	1	20
Feb 2019	8	4	0	12
Mar 2019	10	8	0	18
Apr 2019	16	8	0	24
May 2019	13	12	1	26
Jun 2019	14	13	0	27
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Nov 2019	6	11	0	17
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May 2020	15	6	0	21
Jun 2020	24	6	0	30
Jul 2020	23	19	7	49
Aug 2020	16	6	4	26
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Nov 2020	9	10	1	20
Dec 2020	15	4	0	19
Jan 2021	23	10	0	33
Feb 2021	18	14	0	32
Mar 2021	15	16	0	31
Apr 2021	16	13	0	29
May 2021	16	11	1	28
Jun 2021	19	9	0	28
Jul 2021	11	10	1	22
Aug 2021	14	16	0	30
Sep 2021	22	13	1	36
Oct 2021	16	41	1	58
Nov 2021	25	24	1	50
Dec 2021	24	11	1	36
Jan 2022	18	14	0	32
Feb 2022	24	9	1	34
Mar 2022	32	6	0	38
Apr 2022	25	4	1	30
May 2022	15	7	0	22
Jun 2022	14	2	1	17
Jul 2022	9	5	0	14
Aug 2022	21	9	0	30
Sep 2022	10	9	0	19
Oct 2022	23	6	1	30
Nov 2022	33	15	2	50
Dec 2022	24	10	4	38
Jan 2023	25	9	1	35
Feb 2023	25	8	1	34
Mar 2023	31	15	1	47
Apr 2023	15	15	0	30
May 2023	37	12	0	49
Jun 2023	51	6	2	59
Jul 2023	44	6	2	52
Aug 2023	48	12	4	64
Sep 2023	58	10	2	70
Oct 2023	46	11	1	58
Nov 2023	35	4	0	39
Dec 2023	67	10	3	80
Jan 2024	57	16	2	75
Feb 2024	64	28	6	98
Mar 2024	63	25	0	88
Apr 2024	60	20	1	81
May 2024	35	34	2	71
Jun 2024	34	30	2	66
Jul 2024	39	32	1	72
Aug 2024	56	20	3	79
Sep 2024	30	20	0	50
Oct 2024	44	14	1	59
Nov 2024	31	17	2	50
Dec 2024	30	19	2	51
Jan 2025	40	15	0	55
Feb 2025	29	12	2	43
Mar 2025	39	27	4	70
Apr 2025	31	21	2	54
May 2025	42	22	0	64
Jun 2025	75	18	3	96
Jul 2025	42	25	1	68
Aug 2025	32	22	0	54
Sep 2025	43	22	1	66
Oct 2025	34	26	4	64
Nov 2025	42	26	6	74
Dec 2025	38	32	1	71
Jan 2026	65	22	4	91

Latest update: 30 Jan 2026

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Short summary

In this work, size distributions and chemical compositions of 36 PM metals emitted from traffic emissions are explored by tunnel experiments. Potential sources of tunnel PM are also identified. Importantly, fingerprinting ratios of wear debris and automotive catalysts are established. The ratios will be good tools for apportioning PM sources in the polluted urban atmosphere.