Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 12, issue 2
Articles | Volume 12, issue 2
https://doi.org/10.5194/essd-12-897-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-12-897-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 2
Data description paper
 | 
23 Apr 2020
Data description paper |  | 23 Apr 2020

Observations of late-winter marine microbial activity in an ice-covered fjord, west Greenland

David Chandler and Shona Mackie

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Short summary
The activity of microorganisms at the bottom of the marine food chain has rarely been measured under sea ice in winter. We present the first observations of Arctic winter microbial activity under sea ice in a west Greenland fjord. By measuring changes in the oxygen concentration of seawater under the ice, we found low but significant levels of activity, suggesting these microbial communities may constitute an important part of the winter marine ecosystem.
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