Open Access
Nature Communications, volume 13, issue 1, publication number 4956
Mercury isotope evidence for Arctic summertime re-emission of mercury from the cryosphere
Araujo Beatriz Ferreira
1
,
Osterwalder S.
2, 3
,
Szponar Natalie
4
,
Lee Domenica
4
,
Petrova Mariia V
5
,
Pernov Jakob Boyd
6, 7
,
Ahmed Shaddy
2
,
Heimbürger Lars-Eric
5
,
Laffont Laure
1
,
Teisserenc Roman
8
,
Tananaev Nikita
9, 10
,
Nordstrom Claus
7
,
Magand O.
2
,
Stupple Geoff
11
,
Skov Henrik
7
,
Steffen Alexandra
11
,
Bergquist B. A.
4
,
Pfaffhuber K. A.
12
,
Thomas J. L.
2
,
Scheper Simon
13, 14
,
Petäjä Tuukka
15
,
Dommergue Aurélien
2
,
Sonke J. E.
1
1
Géosciences Environnement Toulouse, CNRS, IRD, Université de Toulouse, Toulouse, France
|
4
Department of Earth Sciences, University of Toronto, Toronto, Canada
|
8
UMR5245 CNRS/UPS/INPT, Laboratoire Écologie Fonctionnelle et Environnement, Toulouse, France
|
11
Air Quality Research Division, Environment and Climate Change Canada, Toronto, Canada
|
14
Dr. Simon Scheper—Research | Consulting | Teaching, Dähre, Germany
|
Publication type: Journal Article
Publication date: 2022-08-24
Journal:
Nature Communications
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 16.6
ISSN: 20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
Multidisciplinary
General Physics and Astronomy
Abstract
During Arctic springtime, halogen radicals oxidize atmospheric elemental mercury (Hg0), which deposits to the cryosphere. This is followed by a summertime atmospheric Hg0 peak that is thought to result mostly from terrestrial Hg inputs to the Arctic Ocean, followed by photoreduction and emission to air. The large terrestrial Hg contribution to the Arctic Ocean and global atmosphere has raised concern over the potential release of permafrost Hg, via rivers and coastal erosion, with Arctic warming. Here we investigate Hg isotope variability of Arctic atmospheric, marine, and terrestrial Hg. We observe highly characteristic Hg isotope signatures during the summertime peak that reflect re-emission of Hg deposited to the cryosphere during spring. Air mass back trajectories support a cryospheric Hg emission source but no major terrestrial source. This implies that terrestrial Hg inputs to the Arctic Ocean remain in the marine ecosystem, without substantial loss to the global atmosphere, but with possible effects on food webs. Arctic warming thaws permafrost, leading to enhanced soil mercury transport to the Arctic Ocean. Mercury isotope signatures in arctic rivers, ocean and atmosphere suggest that permafrost mercury is buried in marine sediment and not emitted to the global atmosphere
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Araujo B. F. et al. Mercury isotope evidence for Arctic summertime re-emission of mercury from the cryosphere // Nature Communications. 2022. Vol. 13. No. 1. 4956
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Araujo B. F., Osterwalder S., Szponar N., Lee D., Petrova M. V., Pernov J. B., Ahmed S., Heimbürger L., Laffont L., Teisserenc R., Tananaev N., Nordstrom C., Magand O., Stupple G., Skov H., Steffen A., Bergquist B. A., Pfaffhuber K. A., Thomas J. L., Scheper S., Petäjä T., Dommergue A., Sonke J. E. Mercury isotope evidence for Arctic summertime re-emission of mercury from the cryosphere // Nature Communications. 2022. Vol. 13. No. 1. 4956
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TY - JOUR
DO - 10.1038/s41467-022-32440-8
UR - https://doi.org/10.1038%2Fs41467-022-32440-8
TI - Mercury isotope evidence for Arctic summertime re-emission of mercury from the cryosphere
T2 - Nature Communications
AU - Araujo, Beatriz Ferreira
AU - Osterwalder, S.
AU - Szponar, Natalie
AU - Lee, Domenica
AU - Petrova, Mariia V
AU - Pernov, Jakob Boyd
AU - Ahmed, Shaddy
AU - Heimbürger, Lars-Eric
AU - Laffont, Laure
AU - Teisserenc, Roman
AU - Tananaev, Nikita
AU - Nordstrom, Claus
AU - Magand, O.
AU - Stupple, Geoff
AU - Skov, Henrik
AU - Steffen, Alexandra
AU - Bergquist, B. A.
AU - Pfaffhuber, K. A.
AU - Thomas, J. L.
AU - Scheper, Simon
AU - Petäjä, Tuukka
AU - Dommergue, Aurélien
AU - Sonke, J. E.
PY - 2022
DA - 2022/08/24 00:00:00
PB - Springer Nature
IS - 1
VL - 13
SN - 2041-1723
ER -
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@article{2022_Araujo,
author = {Beatriz Ferreira Araujo and S. Osterwalder and Natalie Szponar and Domenica Lee and Mariia V Petrova and Jakob Boyd Pernov and Shaddy Ahmed and Lars-Eric Heimbürger and Laure Laffont and Roman Teisserenc and Nikita Tananaev and Claus Nordstrom and O. Magand and Geoff Stupple and Henrik Skov and Alexandra Steffen and B. A. Bergquist and K. A. Pfaffhuber and J. L. Thomas and Simon Scheper and Tuukka Petäjä and Aurélien Dommergue and J. E. Sonke},
title = {Mercury isotope evidence for Arctic summertime re-emission of mercury from the cryosphere},
journal = {Nature Communications},
year = {2022},
volume = {13},
publisher = {Springer Nature},
month = {aug},
url = {https://doi.org/10.1038%2Fs41467-022-32440-8},
number = {1},
doi = {10.1038/s41467-022-32440-8}
}
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