Seasonal patterns of atmospheric mercury in tropical South America as inferred by a continuous total gaseous mercury record at Chacaltaya station (5240&thinsp;m) in Bolivia

Koenig, Alkuin Maximilian; Magand, Olivier; Laj, Paolo; Andrade, Marcos; Moreno, Isabel; Velarde, Fernando; Salvatierra, Grover; Gutierrez, René; Blacutt, Luis; Aliaga, Diego; Reichler, Thomas; Sellegri, Karine; Laurent, Olivier; Ramonet, Michel; Dommergue, Aurélien

doi:https://doi.org/10.5194/acp-21-3447-2021

Articles | Volume 21, issue 5

Atmos. Chem. Phys., 21, 3447–3472, 2021

https://doi.org/10.5194/acp-21-3447-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Research results from the 14th International Conference on...

Atmos. Chem. Phys., 21, 3447–3472, 2021

https://doi.org/10.5194/acp-21-3447-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 5

Research article

05 Mar 2021

Research article | 05 Mar 2021

Seasonal patterns of atmospheric mercury in tropical South America as inferred by a continuous total gaseous mercury record at Chacaltaya station (5240 m) in Bolivia

Alkuin Maximilian Koenig et al.

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Apr 2021	111	32	1	144
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Cumulative views and downloads (calculated since 28 Oct 2020)

Month	HTML	PDF	XML	Total
Nov 2020	30	13	0	43
Dec 2020	23	5	1	29
Jan 2021	21	11	0	32
Feb 2021	13	8	0	21
Mar 2021	279	54	5	338
Apr 2021	111	32	1	144
May 2021	95	22	1	118
Jun 2021	92	27	0	119
Jul 2021	85	26	1	112
Aug 2021	99	22	1	122
Sep 2021	83	33	1	117
Oct 2021	91	47	2	140
Nov 2021	82	41	1	124
Dec 2021	94	10	0	104
Jan 2022	48	19	3	70
Feb 2022	40	6	2	48
Mar 2022	34	14	2	50
Apr 2022	29	17	3	49
May 2022	49	13	0	62
Jun 2022	32	8	0	40

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Short summary

The environmental cycling of atmospheric mercury, a harmful global contaminant, is still not sufficiently constrained, partly due to missing data in remote regions. Here, we address this issue by presenting 20 months of atmospheric mercury measurements, sampled in the Bolivian Andes. We observe a significant seasonal pattern, whose key features we explore. Moreover, we deduce ratios to constrain South American biomass burning mercury emissions and the mercury uptake by the Amazon rainforest.

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