Arctic mercury cycling

A Dastoor, H Angot, J Bieser, JH Christensen… - Nature Reviews Earth & …, 2022 - nature.com
Anthropogenic mercury (Hg) emissions have driven marked increases in Arctic Hg levels,
which are now being impacted by regional warming, with uncertain ecological …

Atmospheric and Surface Processes, and Feedback Mechanisms Determining Arctic Amplification: A Review of First Results and Prospects of the (AC) 3 …

M Wendisch, M Brückner, S Crewell… - Bulletin of the …, 2023 - journals.ametsoc.org
Mechanisms behind the phenomenon of Arctic amplification are widely discussed. To
contribute to this debate, the (AC) 3 project was established in 2016 (www. ac3-tr. de/). It …

[HTML][HTML] Arctic atmospheric mercury: Sources and changes

A Dastoor, SJ Wilson, O Travnikov, A Ryjkov… - Science of The Total …, 2022 - Elsevier
Global anthropogenic and legacy mercury (Hg) emissions are the main sources of Arctic Hg
contamination, primarily transported there via the atmosphere. This review summarizes the …

The Marginal Ice Zone as a dominant source region of atmospheric mercury during central Arctic summertime

F Yue, H Angot, B Blomquist, J Schmale… - Nature …, 2023 - nature.com
Atmospheric gaseous elemental mercury (GEM) concentrations in the Arctic exhibit a clear
summertime maximum, while the origin of this peak is still a matter of debate in the …

Implementation and impacts of surface and blowing snow sources of Arctic bromine activation within WRF‐Chem 4.1. 1

L Marelle, JL Thomas, S Ahmed, K Tuite… - Journal of Advances …, 2021 - Wiley Online Library
Elevated concentrations of atmospheric bromine are known to cause ozone depletion in the
Arctic, which is most frequently observed during springtime. We implement a detailed …

[HTML][HTML] Ozone depletion events in the Arctic spring of 2019: a new modeling approach to bromine emissions

M Herrmann, M Schöne, C Borger… - Atmospheric …, 2022 - acp.copernicus.org
Ozone depletion events (ODEs) are a common occurrence in the boundary layer during
Arctic spring. Ozone is depleted by bromine species, which are most likely emitted from …

Impacts of ocean biogeochemistry on atmospheric chemistry

L Tinel, J Abbatt, E Saltzman, A Engel… - Elem Sci …, 2023 - online.ucpress.edu
Ocean biogeochemistry involves the production and consumption of an array of organic
compounds and halogenated trace gases that influence the composition and reactivity of the …

[HTML][HTML] Sea-ice reconstructions from bromine and iodine in ice cores

P Vallelonga, N Maffezzoli, A Saiz-Lopez… - Quaternary Science …, 2021 - Elsevier
As the intricacies of paleoclimate dynamics are explored, it is becoming understood that sea-
ice variability can instigate, or contribute to, climate change instabilities commonly described …

Application of Satellite‐Based Detections of Arctic Bromine Explosion Events Within GEOS‐Chem

PA Wales, CA Keller, KE Knowland… - Journal of Advances …, 2023 - Wiley Online Library
During polar spring, periods of elevated tropospheric bromine drive near complete removal
of surface ozone. These events impact the tropospheric oxidative capacity and are an area …

Pan-Arctic methanesulfonic acid aerosol: source regions, atmospheric drivers, and future projections

JB Pernov, E Harris, M Volpi, T Baumgartner… - npj Climate and …, 2024 - nature.com
Natural aerosols are an important, yet understudied, part of the Arctic climate system.
Natural marine biogenic aerosol components (eg, methanesulfonic acid, MSA) are …