Electronic Supplementary Material for Freitas et al. 'Benthic-pelagic coupling in the Barents Sea: an integrated data-model framework'
The Barents Sea is experiencing long-term climate-driven changes, e.g. modification in oceanographic conditions and extensive sea ice loss, which can lead to large, yet unquantified disruptions of ecosystem functioning. This key region hosts large fraction of Arctic primary productivity. However, pr...
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ftdatacite:10.6084/m9.figshare.12597329.v1 2023-05-15T14:54:12+02:00 Electronic Supplementary Material for Freitas et al. 'Benthic-pelagic coupling in the Barents Sea: an integrated data-model framework' Freitas, Felipe S. Hendry, Katharine R. Henley, Sian F. Faust, Johan C. Tessin, Allyson C. Stevenson, Mark A. Abbott, Geoffrey D. März, Christian Arndt, Sandra 2020 https://dx.doi.org/10.6084/m9.figshare.12597329.v1 https://rs.figshare.com/articles/journal_contribution/Electronic_Supplementary_Material_for_Freitas_et_al_Benthic-pelagic_coupling_in_the_Barents_Sea_an_integrated_data-model_framework_/12597329/1 unknown The Royal Society https://dx.doi.org/10.1098/rsta.2019.0359 https://dx.doi.org/10.6084/m9.figshare.12597329 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 CC-BY Geochemistry FOS Earth and related environmental sciences Oceanography 80110 Simulation and Modelling FOS Computer and information sciences Text article-journal Journal contribution ScholarlyArticle 2020 ftdatacite https://doi.org/10.6084/m9.figshare.12597329.v1 https://doi.org/10.1098/rsta.2019.0359 https://doi.org/10.6084/m9.figshare.12597329 2021-11-05T12:55:41Z The Barents Sea is experiencing long-term climate-driven changes, e.g. modification in oceanographic conditions and extensive sea ice loss, which can lead to large, yet unquantified disruptions of ecosystem functioning. This key region hosts large fraction of Arctic primary productivity. However, processes governing benthic and pelagic coupling are not mechanistically understood, limiting our ability to predict the impacts of future perturbations. We combine field observations with a reaction-transport model approach to quantify organic matter (OM) processing and disentangle its drivers. Sedimentary OM reactivity patterns show no gradients relative to sea ice extent, being mostly driven by seafloor spatial heterogeneity. Burial of high reactivity, marine-derived OM is evident at sites influenced by Atlantic Water (AW), whereas low reactivity material is linked to terrestrial inputs on the central shelf. Degradation rates are mainly driven by aerobic respiration (40–75%), being greater at sites where highly reactive material is buried. Similarly, ammonium and phosphate fluxes are greater at those sites. The present-day AW-dominated shelf might represent the future scenario for the entire Barents Sea. Our results represent a baseline systematic understanding of seafloor geochemistry, allowing anticipating changes that could be imposed to the pan-Arctic in the future if climate-driven perturbations persist.This article is part of the theme issue ‘The changing Arctic Ocean: consequences for biological communities, biogeochemical processes and ecosystems’. Text Arctic Arctic Ocean Barents Sea Sea ice DataCite Metadata Store (German National Library of Science and Technology) Arctic Arctic Ocean Barents Sea |
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unknown |
topic |
Geochemistry FOS Earth and related environmental sciences Oceanography 80110 Simulation and Modelling FOS Computer and information sciences |
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Geochemistry FOS Earth and related environmental sciences Oceanography 80110 Simulation and Modelling FOS Computer and information sciences Freitas, Felipe S. Hendry, Katharine R. Henley, Sian F. Faust, Johan C. Tessin, Allyson C. Stevenson, Mark A. Abbott, Geoffrey D. März, Christian Arndt, Sandra Electronic Supplementary Material for Freitas et al. 'Benthic-pelagic coupling in the Barents Sea: an integrated data-model framework' |
topic_facet |
Geochemistry FOS Earth and related environmental sciences Oceanography 80110 Simulation and Modelling FOS Computer and information sciences |
description |
The Barents Sea is experiencing long-term climate-driven changes, e.g. modification in oceanographic conditions and extensive sea ice loss, which can lead to large, yet unquantified disruptions of ecosystem functioning. This key region hosts large fraction of Arctic primary productivity. However, processes governing benthic and pelagic coupling are not mechanistically understood, limiting our ability to predict the impacts of future perturbations. We combine field observations with a reaction-transport model approach to quantify organic matter (OM) processing and disentangle its drivers. Sedimentary OM reactivity patterns show no gradients relative to sea ice extent, being mostly driven by seafloor spatial heterogeneity. Burial of high reactivity, marine-derived OM is evident at sites influenced by Atlantic Water (AW), whereas low reactivity material is linked to terrestrial inputs on the central shelf. Degradation rates are mainly driven by aerobic respiration (40–75%), being greater at sites where highly reactive material is buried. Similarly, ammonium and phosphate fluxes are greater at those sites. The present-day AW-dominated shelf might represent the future scenario for the entire Barents Sea. Our results represent a baseline systematic understanding of seafloor geochemistry, allowing anticipating changes that could be imposed to the pan-Arctic in the future if climate-driven perturbations persist.This article is part of the theme issue ‘The changing Arctic Ocean: consequences for biological communities, biogeochemical processes and ecosystems’. |
format |
Text |
author |
Freitas, Felipe S. Hendry, Katharine R. Henley, Sian F. Faust, Johan C. Tessin, Allyson C. Stevenson, Mark A. Abbott, Geoffrey D. März, Christian Arndt, Sandra |
author_facet |
Freitas, Felipe S. Hendry, Katharine R. Henley, Sian F. Faust, Johan C. Tessin, Allyson C. Stevenson, Mark A. Abbott, Geoffrey D. März, Christian Arndt, Sandra |
author_sort |
Freitas, Felipe S. |
title |
Electronic Supplementary Material for Freitas et al. 'Benthic-pelagic coupling in the Barents Sea: an integrated data-model framework' |
title_short |
Electronic Supplementary Material for Freitas et al. 'Benthic-pelagic coupling in the Barents Sea: an integrated data-model framework' |
title_full |
Electronic Supplementary Material for Freitas et al. 'Benthic-pelagic coupling in the Barents Sea: an integrated data-model framework' |
title_fullStr |
Electronic Supplementary Material for Freitas et al. 'Benthic-pelagic coupling in the Barents Sea: an integrated data-model framework' |
title_full_unstemmed |
Electronic Supplementary Material for Freitas et al. 'Benthic-pelagic coupling in the Barents Sea: an integrated data-model framework' |
title_sort |
electronic supplementary material for freitas et al. 'benthic-pelagic coupling in the barents sea: an integrated data-model framework' |
publisher |
The Royal Society |
publishDate |
2020 |
url |
https://dx.doi.org/10.6084/m9.figshare.12597329.v1 https://rs.figshare.com/articles/journal_contribution/Electronic_Supplementary_Material_for_Freitas_et_al_Benthic-pelagic_coupling_in_the_Barents_Sea_an_integrated_data-model_framework_/12597329/1 |
geographic |
Arctic Arctic Ocean Barents Sea |
geographic_facet |
Arctic Arctic Ocean Barents Sea |
genre |
Arctic Arctic Ocean Barents Sea Sea ice |
genre_facet |
Arctic Arctic Ocean Barents Sea Sea ice |
op_relation |
https://dx.doi.org/10.1098/rsta.2019.0359 https://dx.doi.org/10.6084/m9.figshare.12597329 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.12597329.v1 https://doi.org/10.1098/rsta.2019.0359 https://doi.org/10.6084/m9.figshare.12597329 |
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