Articles | Volume 20, issue 12
https://doi.org/10.5194/acp-20-7243-2020
https://doi.org/10.5194/acp-20-7243-2020
Research article
 | 
23 Jun 2020
Research article |  | 23 Jun 2020

Consumption of CH3Cl, CH3Br, and CH3I and emission of CHCl3, CHBr3, and CH2Br2 from the forefield of a retreating Arctic glacier

Moya L. Macdonald, Jemma L. Wadham, Dickon Young, Chris R. Lunder, Ove Hermansen, Guillaume Lamarche-Gagnon, and Simon O'Doherty

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Gas fluxes and biological and physiochemical measurements made across an Arctic forefield. M. L. Macdonald, J. L. Wadham, D. Young, C. Lunder, O. Hermansen, G. Lamarche-Gagnon, and S. O'Dohery https://doi.org/10.6084/m9.figshare.8081129

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Short summary
Climate change has caused glaciers in the Arctic to shrink, uncovering new soils. We used field measurements to study the exchange of a group of gases involved in ozone destruction, called halocarbons, between these new soils and the atmosphere. We found that mats of cyanobacteria, early colonisers of soils, are linked to a larger-than-expected exchange of halocarbons with the atmosphere. We also found that gases which are commonly thought to be marine in origin were released from these soils.
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