Supplementary Tables associated with "Silicon Isotopes in Arctic and sub-Arctic Glacial Meltwaters: The Role of Subglacial Weathering in the Silicon Cycle" from Silicon isotopes in Arctic and sub-Arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle.
Glacial environments play an important role in high-latitude marine nutrient cycling, potentially contributing significant fluxes of silicon (Si) to the polar oceans, either as dissolved silicon (DSi) or as dissolvable amorphous silica (ASi). Silicon is a key nutrient in promoting marine primary pro...
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Online Access: | https://dx.doi.org/10.6084/m9.figshare.9120041.v2 https://rs.figshare.com/articles/journal_contribution/Supplementary_Tables_associated_with_Silicon_Isotopes_in_Arctic_and_sub-Arctic_Glacial_Meltwaters_The_Role_of_the_Subglacial_Weathering_in_the_Silicon_Cycle_from_Silicon_isotopes_in_Arctic_and_sub-Arctic_glacial_meltwaters_the_role_of_the_s/9120041/2 |
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ftdatacite:10.6084/m9.figshare.9120041.v2 2023-05-15T14:43:51+02:00 Supplementary Tables associated with "Silicon Isotopes in Arctic and sub-Arctic Glacial Meltwaters: The Role of Subglacial Weathering in the Silicon Cycle" from Silicon isotopes in Arctic and sub-Arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle. Hatton, Jade E. Hendry, Katharine R. Hawkings, Jonathan R. Wadham, Jemma L. Opfergelt, Sophie Kohler, Tyler J. Yde, Jacob C. Stibal, Marek Žárský, Jakub D. 2019 https://dx.doi.org/10.6084/m9.figshare.9120041.v2 https://rs.figshare.com/articles/journal_contribution/Supplementary_Tables_associated_with_Silicon_Isotopes_in_Arctic_and_sub-Arctic_Glacial_Meltwaters_The_Role_of_the_Subglacial_Weathering_in_the_Silicon_Cycle_from_Silicon_isotopes_in_Arctic_and_sub-Arctic_glacial_meltwaters_the_role_of_the_s/9120041/2 unknown The Royal Society https://dx.doi.org/10.1098/rspa.2019.0098 https://dx.doi.org/10.6084/m9.figshare.9120041 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 40602 Glaciology Text article-journal Journal contribution ScholarlyArticle 2019 ftdatacite https://doi.org/10.6084/m9.figshare.9120041.v2 https://doi.org/10.1098/rspa.2019.0098 https://doi.org/10.6084/m9.figshare.9120041 2021-11-05T12:55:41Z Glacial environments play an important role in high-latitude marine nutrient cycling, potentially contributing significant fluxes of silicon (Si) to the polar oceans, either as dissolved silicon (DSi) or as dissolvable amorphous silica (ASi). Silicon is a key nutrient in promoting marine primary productivity, contributing to atmospheric CO 2 removal. We present the current understanding of Si cycling in glacial systems, focusing on the Si isotope (δ 30 Si) composition of glacial meltwaters. We combine existing glacial δ 30 Si data with new measurements from 20 sub-Arctic glaciers, showing that glacial meltwaters consistently export isotopically light DSi compared with non-glacial rivers (+0.16‰ versus +1.38‰). Glacial δ 30 Si ASi composition ranges from −0.05‰ to −0.86‰ but exhibits low seasonal variability. Silicon fluxes and δ 30 Si composition from glacial systems are not commonly included in global Si budgets and isotopic mass balance calculations at present. We discuss outstanding questions, including the formation mechanism of ASi and the export of glacial nutrients from fjords. Finally, we provide a contextual framework for the recent advances in our understanding of subglacial Si cycling and highlight critical research avenues for assessing potential future changes in these environments. Text Arctic DataCite Metadata Store (German National Library of Science and Technology) Arctic |
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Geochemistry FOS Earth and related environmental sciences 40602 Glaciology |
spellingShingle |
Geochemistry FOS Earth and related environmental sciences 40602 Glaciology Hatton, Jade E. Hendry, Katharine R. Hawkings, Jonathan R. Wadham, Jemma L. Opfergelt, Sophie Kohler, Tyler J. Yde, Jacob C. Stibal, Marek Žárský, Jakub D. Supplementary Tables associated with "Silicon Isotopes in Arctic and sub-Arctic Glacial Meltwaters: The Role of Subglacial Weathering in the Silicon Cycle" from Silicon isotopes in Arctic and sub-Arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle. |
topic_facet |
Geochemistry FOS Earth and related environmental sciences 40602 Glaciology |
description |
Glacial environments play an important role in high-latitude marine nutrient cycling, potentially contributing significant fluxes of silicon (Si) to the polar oceans, either as dissolved silicon (DSi) or as dissolvable amorphous silica (ASi). Silicon is a key nutrient in promoting marine primary productivity, contributing to atmospheric CO 2 removal. We present the current understanding of Si cycling in glacial systems, focusing on the Si isotope (δ 30 Si) composition of glacial meltwaters. We combine existing glacial δ 30 Si data with new measurements from 20 sub-Arctic glaciers, showing that glacial meltwaters consistently export isotopically light DSi compared with non-glacial rivers (+0.16‰ versus +1.38‰). Glacial δ 30 Si ASi composition ranges from −0.05‰ to −0.86‰ but exhibits low seasonal variability. Silicon fluxes and δ 30 Si composition from glacial systems are not commonly included in global Si budgets and isotopic mass balance calculations at present. We discuss outstanding questions, including the formation mechanism of ASi and the export of glacial nutrients from fjords. Finally, we provide a contextual framework for the recent advances in our understanding of subglacial Si cycling and highlight critical research avenues for assessing potential future changes in these environments. |
format |
Text |
author |
Hatton, Jade E. Hendry, Katharine R. Hawkings, Jonathan R. Wadham, Jemma L. Opfergelt, Sophie Kohler, Tyler J. Yde, Jacob C. Stibal, Marek Žárský, Jakub D. |
author_facet |
Hatton, Jade E. Hendry, Katharine R. Hawkings, Jonathan R. Wadham, Jemma L. Opfergelt, Sophie Kohler, Tyler J. Yde, Jacob C. Stibal, Marek Žárský, Jakub D. |
author_sort |
Hatton, Jade E. |
title |
Supplementary Tables associated with "Silicon Isotopes in Arctic and sub-Arctic Glacial Meltwaters: The Role of Subglacial Weathering in the Silicon Cycle" from Silicon isotopes in Arctic and sub-Arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle. |
title_short |
Supplementary Tables associated with "Silicon Isotopes in Arctic and sub-Arctic Glacial Meltwaters: The Role of Subglacial Weathering in the Silicon Cycle" from Silicon isotopes in Arctic and sub-Arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle. |
title_full |
Supplementary Tables associated with "Silicon Isotopes in Arctic and sub-Arctic Glacial Meltwaters: The Role of Subglacial Weathering in the Silicon Cycle" from Silicon isotopes in Arctic and sub-Arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle. |
title_fullStr |
Supplementary Tables associated with "Silicon Isotopes in Arctic and sub-Arctic Glacial Meltwaters: The Role of Subglacial Weathering in the Silicon Cycle" from Silicon isotopes in Arctic and sub-Arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle. |
title_full_unstemmed |
Supplementary Tables associated with "Silicon Isotopes in Arctic and sub-Arctic Glacial Meltwaters: The Role of Subglacial Weathering in the Silicon Cycle" from Silicon isotopes in Arctic and sub-Arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle. |
title_sort |
supplementary tables associated with "silicon isotopes in arctic and sub-arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle" from silicon isotopes in arctic and sub-arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle. |
publisher |
The Royal Society |
publishDate |
2019 |
url |
https://dx.doi.org/10.6084/m9.figshare.9120041.v2 https://rs.figshare.com/articles/journal_contribution/Supplementary_Tables_associated_with_Silicon_Isotopes_in_Arctic_and_sub-Arctic_Glacial_Meltwaters_The_Role_of_the_Subglacial_Weathering_in_the_Silicon_Cycle_from_Silicon_isotopes_in_Arctic_and_sub-Arctic_glacial_meltwaters_the_role_of_the_s/9120041/2 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
https://dx.doi.org/10.1098/rspa.2019.0098 https://dx.doi.org/10.6084/m9.figshare.9120041 |
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.9120041.v2 https://doi.org/10.1098/rspa.2019.0098 https://doi.org/10.6084/m9.figshare.9120041 |
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