How important is biomass burning in Canada to mercury contamination?

Fraser, Annemarie; Dastoor, Ashu; Ryjkov, Andrei

doi:10.5194/acp-18-7263-2018

Articles | Volume 18, issue 10

https://doi.org/10.5194/acp-18-7263-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Atmospheric emissions from oil sands development and their...

https://doi.org/10.5194/acp-18-7263-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 10

Research article

|

25 May 2018

Research article |

| 25 May 2018

How important is biomass burning in Canada to mercury contamination?

Annemarie Fraser, Ashu Dastoor, and Andrei Ryjkov

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Month	HTML	PDF	XML	Total
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Jan 2018	30	5	1	36
Feb 2018	24	4	2	30
Mar 2018	22	5	0	27
Apr 2018	26	9	3	38
May 2018	248	27	3	278
Jun 2018	80	27	4	111
Jul 2018	29	20	0	49
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Aug 2019	11	3	0	14
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Oct 2019	9	6	1	16
Nov 2019	10	2	0	12
Dec 2019	9	10	0	19
Jan 2020	6	4	1	11
Feb 2020	44	9	1	54
Mar 2020	3	3	1	7
Apr 2020	44	4	0	48
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Jul 2020	23	17	4	44
Aug 2020	16	5	0	21
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Nov 2020	11	4	0	15
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Jan 2021	25	15	0	40
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Mar 2021	23	4	4	31
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May 2021	12	11	1	24
Jun 2021	12	8	0	20
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Aug 2021	22	9	0	31
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Nov 2021	13	26	0	39
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Jan 2022	28	14	2	44
Feb 2022	27	11	4	42
Mar 2022	18	7	0	25
Apr 2022	23	2	1	26
May 2022	9	8	0	17
Jun 2022	4	3	0	7
Jul 2022	28	12	0	40
Aug 2022	14	10	1	25
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Oct 2022	13	6	0	19
Nov 2022	15	11	1	27
Dec 2022	14	6	2	22
Jan 2023	22	12	2	36
Feb 2023	21	13	0	34
Mar 2023	25	43	0	68
Apr 2023	16	10	0	26
May 2023	42	16	0	58
Jun 2023	53	10	3	66
Jul 2023	46	8	1	55
Aug 2023	38	14	3	55
Sep 2023	43	12	0	55
Oct 2023	49	11	3	63
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Dec 2023	45	5	1	51
Jan 2024	39	5	1	45
Feb 2024	41	10	0	51
Mar 2024	58	27	1	86
Apr 2024	48	15	5	68
May 2024	27	9	3	39
Jun 2024	41	8	4	53
Jul 2024	22	7	4	33
Aug 2024	29	8	1	38
Sep 2024	24	5	0	29
Oct 2024	25	8	0	33
Nov 2024	22	6	3	31
Dec 2024	13	6	0	19
Jan 2025	25	10	1	36
Feb 2025	44	11	0	55
Mar 2025	14	16	1	31
Apr 2025	16	24	0	40
May 2025	24	15	3	42
Jun 2025	44	16	1	61
Jul 2025	33	19	3	55
Aug 2025	45	17	3	65
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Cumulative views and downloads (calculated since 12 Sep 2017)

Month	HTML	PDF	XML	Total
Sep 2017	136	55	5	196
Oct 2017	47	23	0	70
Nov 2017	36	9	1	46
Dec 2017	17	9	0	26
Jan 2018	30	5	1	36
Feb 2018	24	4	2	30
Mar 2018	22	5	0	27
Apr 2018	26	9	3	38
May 2018	248	27	3	278
Jun 2018	80	27	4	111
Jul 2018	29	20	0	49
Aug 2018	21	14	0	35
Sep 2018	18	15	0	33
Oct 2018	17	11	1	29
Nov 2018	17	29	1	47
Dec 2018	17	15	2	34
Jan 2019	13	11	1	25
Feb 2019	8	12	0	20
Mar 2019	12	9	1	22
Apr 2019	10	7	0	17
May 2019	10	5	0	15
Jun 2019	16	5	0	21
Jul 2019	10	4	0	14
Aug 2019	11	3	0	14
Sep 2019	7	9	0	16
Oct 2019	9	6	1	16
Nov 2019	10	2	0	12
Dec 2019	9	10	0	19
Jan 2020	6	4	1	11
Feb 2020	44	9	1	54
Mar 2020	3	3	1	7
Apr 2020	44	4	0	48
May 2020	12	4	0	16
Jun 2020	17	10	0	27
Jul 2020	23	17	4	44
Aug 2020	16	5	0	21
Sep 2020	15	4	0	19
Oct 2020	14	7	0	21
Nov 2020	11	4	0	15
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Jan 2021	25	15	0	40
Feb 2021	24	8	0	32
Mar 2021	23	4	4	31
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Jun 2021	12	8	0	20
Jul 2021	12	7	0	19
Aug 2021	22	9	0	31
Sep 2021	24	9	1	34
Oct 2021	17	37	1	55
Nov 2021	13	26	0	39
Dec 2021	26	7	0	33
Jan 2022	28	14	2	44
Feb 2022	27	11	4	42
Mar 2022	18	7	0	25
Apr 2022	23	2	1	26
May 2022	9	8	0	17
Jun 2022	4	3	0	7
Jul 2022	28	12	0	40
Aug 2022	14	10	1	25
Sep 2022	13	7	0	20
Oct 2022	13	6	0	19
Nov 2022	15	11	1	27
Dec 2022	14	6	2	22
Jan 2023	22	12	2	36
Feb 2023	21	13	0	34
Mar 2023	25	43	0	68
Apr 2023	16	10	0	26
May 2023	42	16	0	58
Jun 2023	53	10	3	66
Jul 2023	46	8	1	55
Aug 2023	38	14	3	55
Sep 2023	43	12	0	55
Oct 2023	49	11	3	63
Nov 2023	29	8	0	37
Dec 2023	45	5	1	51
Jan 2024	39	5	1	45
Feb 2024	41	10	0	51
Mar 2024	58	27	1	86
Apr 2024	48	15	5	68
May 2024	27	9	3	39
Jun 2024	41	8	4	53
Jul 2024	22	7	4	33
Aug 2024	29	8	1	38
Sep 2024	24	5	0	29
Oct 2024	25	8	0	33
Nov 2024	22	6	3	31
Dec 2024	13	6	0	19
Jan 2025	25	10	1	36
Feb 2025	44	11	0	55
Mar 2025	14	16	1	31
Apr 2025	16	24	0	40
May 2025	24	15	3	42
Jun 2025	44	16	1	61
Jul 2025	33	19	3	55
Aug 2025	45	17	3	65
Sep 2025	51	18	3	72
Oct 2025	29	27	1	57
Nov 2025	16	12	7	35

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Short summary

This paper quantifies the emissions of mercury from biomass burning in Canada. Using an emissions inventory of mercury in the GEM-MACH-Hg model, surface observations of mercury concentration, and a top-down inversion method, we generate optimized emissions of mercury. We find that biomass burning is an important source of mercury emissions and deposition in Canada. Significant uncertainty remains, due to uncertainty in the speciation of emitted mercury.


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