Spatially consistent microbial biomass and future cellular carbon release from melting Northern Hemisphere glacier surfaces ...
Melting glacier ice surfaces host active microbial communities that enhance glacial melt, contribute to biogeochemical cycling, and nourish downstream ecosystems; but these communities remain poorly characterised. Over the coming decades, the forecast ‘peak melt’ of Earth’s glaciers necessitates an...
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ftdatacite:10.3929/ethz-b-000582556 2024-04-28T08:19:57+00:00 Spatially consistent microbial biomass and future cellular carbon release from melting Northern Hemisphere glacier surfaces ... Stevens, Ian T. Irvine-Fynn, Tristram D.L. Edwards, Arwyn Mitchell, Andrew C. Cook, Joseph M. Porter, Philip R. Holt, Tom O. Huss, Matthias Fettweis, Xavier Moorman, Brian J. Sattler, Birgit Hodson, Andy J. 2022 application/pdf https://dx.doi.org/10.3929/ethz-b-000582556 http://hdl.handle.net/20.500.11850/582556 en eng ETH Zurich article-journal Text ScholarlyArticle Journal Article 2022 ftdatacite https://doi.org/10.3929/ethz-b-000582556 2024-04-02T12:32:08Z Melting glacier ice surfaces host active microbial communities that enhance glacial melt, contribute to biogeochemical cycling, and nourish downstream ecosystems; but these communities remain poorly characterised. Over the coming decades, the forecast ‘peak melt’ of Earth’s glaciers necessitates an improvement in understanding the state and fate of supraglacial ecosystems to better predict the effects of climate change upon glacial surfaces and catchment biogeochemistry. Here we show a regionally consistent mean microbial abundance of 104 cells mL−1 in surface meltwaters from eight glaciers across Europe and North America, and two sites in western Greenland. Microbial abundance is correlated with suspended sediment concentration, but not with ice surface hydraulic properties. We forecast that release of these microbes from surfaces under a medium carbon emission scenario (RCP 4.5) will deliver 2.9 × 1022 cells yr−1, equivalent to 0.65 million tonnes yr−1 of cellular carbon, to downstream ecosystems over the ... : Communications Earth & Environment, 3 (1) ... Article in Journal/Newspaper glacier Greenland DataCite Metadata Store (German National Library of Science and Technology) |
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Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
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language |
English |
description |
Melting glacier ice surfaces host active microbial communities that enhance glacial melt, contribute to biogeochemical cycling, and nourish downstream ecosystems; but these communities remain poorly characterised. Over the coming decades, the forecast ‘peak melt’ of Earth’s glaciers necessitates an improvement in understanding the state and fate of supraglacial ecosystems to better predict the effects of climate change upon glacial surfaces and catchment biogeochemistry. Here we show a regionally consistent mean microbial abundance of 104 cells mL−1 in surface meltwaters from eight glaciers across Europe and North America, and two sites in western Greenland. Microbial abundance is correlated with suspended sediment concentration, but not with ice surface hydraulic properties. We forecast that release of these microbes from surfaces under a medium carbon emission scenario (RCP 4.5) will deliver 2.9 × 1022 cells yr−1, equivalent to 0.65 million tonnes yr−1 of cellular carbon, to downstream ecosystems over the ... : Communications Earth & Environment, 3 (1) ... |
format |
Article in Journal/Newspaper |
author |
Stevens, Ian T. Irvine-Fynn, Tristram D.L. Edwards, Arwyn Mitchell, Andrew C. Cook, Joseph M. Porter, Philip R. Holt, Tom O. Huss, Matthias Fettweis, Xavier Moorman, Brian J. Sattler, Birgit Hodson, Andy J. |
spellingShingle |
Stevens, Ian T. Irvine-Fynn, Tristram D.L. Edwards, Arwyn Mitchell, Andrew C. Cook, Joseph M. Porter, Philip R. Holt, Tom O. Huss, Matthias Fettweis, Xavier Moorman, Brian J. Sattler, Birgit Hodson, Andy J. Spatially consistent microbial biomass and future cellular carbon release from melting Northern Hemisphere glacier surfaces ... |
author_facet |
Stevens, Ian T. Irvine-Fynn, Tristram D.L. Edwards, Arwyn Mitchell, Andrew C. Cook, Joseph M. Porter, Philip R. Holt, Tom O. Huss, Matthias Fettweis, Xavier Moorman, Brian J. Sattler, Birgit Hodson, Andy J. |
author_sort |
Stevens, Ian T. |
title |
Spatially consistent microbial biomass and future cellular carbon release from melting Northern Hemisphere glacier surfaces ... |
title_short |
Spatially consistent microbial biomass and future cellular carbon release from melting Northern Hemisphere glacier surfaces ... |
title_full |
Spatially consistent microbial biomass and future cellular carbon release from melting Northern Hemisphere glacier surfaces ... |
title_fullStr |
Spatially consistent microbial biomass and future cellular carbon release from melting Northern Hemisphere glacier surfaces ... |
title_full_unstemmed |
Spatially consistent microbial biomass and future cellular carbon release from melting Northern Hemisphere glacier surfaces ... |
title_sort |
spatially consistent microbial biomass and future cellular carbon release from melting northern hemisphere glacier surfaces ... |
publisher |
ETH Zurich |
publishDate |
2022 |
url |
https://dx.doi.org/10.3929/ethz-b-000582556 http://hdl.handle.net/20.500.11850/582556 |
genre |
glacier Greenland |
genre_facet |
glacier Greenland |
op_doi |
https://doi.org/10.3929/ethz-b-000582556 |
_version_ |
1797583148562776064 |