Evidence of freezing pressure in sea ice discrete brine inclusions and its impact on aqueous-gaseous equilibrium
International audience Sea ice in part controls surface water properties and the ocean‐atmosphere exchange of greenhouse gases at high latitudes. In sea ice gas exists dissolved in brine and as air bubbles contained in liquid brine inclusions, or as bubbles trapped directly within the ice matrix. Cu...
Published in: | Journal of Geophysical Research: Oceans |
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Main Authors: | , , , , , |
Other Authors: | , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2019
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Online Access: | https://hal-insu.archives-ouvertes.fr/insu-02005429 https://hal-insu.archives-ouvertes.fr/insu-02005429/document https://hal-insu.archives-ouvertes.fr/insu-02005429/file/Crabeck_et_al-2019-Journal_of_Geophysical_Research__Oceans.pdf https://doi.org/10.1029/2018JC014597 |
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Open Polar |
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Université de Nantes: HAL-UNIV-NANTES |
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ftunivnantes |
language |
English |
topic |
[SDU]Sciences of the Universe [physics] |
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[SDU]Sciences of the Universe [physics] Crabeck, O. Galley, R. Mercury, Lionel Delille, B. Tison, L. Rysgaard, S. Evidence of freezing pressure in sea ice discrete brine inclusions and its impact on aqueous-gaseous equilibrium |
topic_facet |
[SDU]Sciences of the Universe [physics] |
description |
International audience Sea ice in part controls surface water properties and the ocean‐atmosphere exchange of greenhouse gases at high latitudes. In sea ice gas exists dissolved in brine and as air bubbles contained in liquid brine inclusions, or as bubbles trapped directly within the ice matrix. Current research on gas dynamics within the ocean‐sea ice‐atmosphere interface has been based on the premise that brine with dissolved air becomes supersaturated with respect to the atmosphere during ice growth. Based on Henry's Law, gas bubbles within brine should grow when brine reaches saturation during cooling, given that the total partial pressure of atmospheric gases is above the implicit pressure in brine of 1 atm. Using high‐resolution light microscopy time series imagery of gas bubble evolution inside discrete brine pockets, we observed bubbles shrinking during cooling events in response to the development of freezing pressure above 3 atm. During warming of discrete brine pockets, existing bubbles expand and new bubbles nucleate in response to depressurization. Pressure variation within these inclusions has direct impacts on aqueous‐gaseous equilibrium, indicating that Henry's Law at a constant pressure of 1 atm is inadequate to assess the partitioning between dissolved and gaseous fractions of gas in sea ice. This new evidence of pressure build‐up in discrete brine inclusions controlling the solubility of gas and nucleation of bubbles in these inclusions has the potential to affect the transport pathways of air bubbles and dissolved gases within sea ice‐ocean‐atmosphere interface and modifies brine biochemical properties. |
author2 |
Centre for Earth Observation Science Winnipeg University of Manitoba Winnipeg Institut des Sciences de la Terre d'Orléans - UMR7327 (ISTO) Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC) Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS) Milieux Poreux - UMR7327 Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC) Unité d'Océanographie Chimique Interfacultary Center for Marine Research (MARE) Université de Liège-Université de Liège Laboratoire de Glaciologie Bruxelles Université libre de Bruxelles (ULB) Greenland Climate Research Centre Greenland Institute of Natural Resources (GINR) Arctic Research Centre Aarhus (ARC) Aarhus University Aarhus ANR-10-LABX-0100,VOLTAIRE,Geofluids and Volatil elements – Earth, Atmosphere, Interfaces – Resources and Environment(2010) ANR-11-EQPX-0036,PLANEX,Planète Expérimentation: simulation et analyse in-situ en conditions extrêmes(2011) European Project: 730997,EUROCHAMP2020(2020) |
format |
Article in Journal/Newspaper |
author |
Crabeck, O. Galley, R. Mercury, Lionel Delille, B. Tison, L. Rysgaard, S. |
author_facet |
Crabeck, O. Galley, R. Mercury, Lionel Delille, B. Tison, L. Rysgaard, S. |
author_sort |
Crabeck, O. |
title |
Evidence of freezing pressure in sea ice discrete brine inclusions and its impact on aqueous-gaseous equilibrium |
title_short |
Evidence of freezing pressure in sea ice discrete brine inclusions and its impact on aqueous-gaseous equilibrium |
title_full |
Evidence of freezing pressure in sea ice discrete brine inclusions and its impact on aqueous-gaseous equilibrium |
title_fullStr |
Evidence of freezing pressure in sea ice discrete brine inclusions and its impact on aqueous-gaseous equilibrium |
title_full_unstemmed |
Evidence of freezing pressure in sea ice discrete brine inclusions and its impact on aqueous-gaseous equilibrium |
title_sort |
evidence of freezing pressure in sea ice discrete brine inclusions and its impact on aqueous-gaseous equilibrium |
publisher |
HAL CCSD |
publishDate |
2019 |
url |
https://hal-insu.archives-ouvertes.fr/insu-02005429 https://hal-insu.archives-ouvertes.fr/insu-02005429/document https://hal-insu.archives-ouvertes.fr/insu-02005429/file/Crabeck_et_al-2019-Journal_of_Geophysical_Research__Oceans.pdf https://doi.org/10.1029/2018JC014597 |
genre |
Sea ice |
genre_facet |
Sea ice |
op_source |
ISSN: 2169-9275 EISSN: 2169-9291 Journal of Geophysical Research. Oceans https://hal-insu.archives-ouvertes.fr/insu-02005429 Journal of Geophysical Research. Oceans, Wiley-Blackwell, 2019, 124, pp.1660-1678. ⟨10.1029/2018JC014597⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1029/2018JC014597 info:eu-repo/grantAgreement//730997/EU/European Union’s Horizon 2020 research and innovation programme under grant agreement/EUROCHAMP2020 insu-02005429 https://hal-insu.archives-ouvertes.fr/insu-02005429 https://hal-insu.archives-ouvertes.fr/insu-02005429/document https://hal-insu.archives-ouvertes.fr/insu-02005429/file/Crabeck_et_al-2019-Journal_of_Geophysical_Research__Oceans.pdf doi:10.1029/2018JC014597 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1029/2018JC014597 |
container_title |
Journal of Geophysical Research: Oceans |
container_volume |
124 |
container_issue |
3 |
container_start_page |
1660 |
op_container_end_page |
1678 |
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1766190845172645888 |
spelling |
ftunivnantes:oai:HAL:insu-02005429v1 2023-05-15T18:16:54+02:00 Evidence of freezing pressure in sea ice discrete brine inclusions and its impact on aqueous-gaseous equilibrium Crabeck, O. Galley, R. Mercury, Lionel Delille, B. Tison, L. Rysgaard, S. Centre for Earth Observation Science Winnipeg University of Manitoba Winnipeg Institut des Sciences de la Terre d'Orléans - UMR7327 (ISTO) Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC) Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS) Milieux Poreux - UMR7327 Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC) Unité d'Océanographie Chimique Interfacultary Center for Marine Research (MARE) Université de Liège-Université de Liège Laboratoire de Glaciologie Bruxelles Université libre de Bruxelles (ULB) Greenland Climate Research Centre Greenland Institute of Natural Resources (GINR) Arctic Research Centre Aarhus (ARC) Aarhus University Aarhus ANR-10-LABX-0100,VOLTAIRE,Geofluids and Volatil elements – Earth, Atmosphere, Interfaces – Resources and Environment(2010) ANR-11-EQPX-0036,PLANEX,Planète Expérimentation: simulation et analyse in-situ en conditions extrêmes(2011) European Project: 730997,EUROCHAMP2020(2020) 2019 https://hal-insu.archives-ouvertes.fr/insu-02005429 https://hal-insu.archives-ouvertes.fr/insu-02005429/document https://hal-insu.archives-ouvertes.fr/insu-02005429/file/Crabeck_et_al-2019-Journal_of_Geophysical_Research__Oceans.pdf https://doi.org/10.1029/2018JC014597 en eng HAL CCSD Wiley-Blackwell info:eu-repo/semantics/altIdentifier/doi/10.1029/2018JC014597 info:eu-repo/grantAgreement//730997/EU/European Union’s Horizon 2020 research and innovation programme under grant agreement/EUROCHAMP2020 insu-02005429 https://hal-insu.archives-ouvertes.fr/insu-02005429 https://hal-insu.archives-ouvertes.fr/insu-02005429/document https://hal-insu.archives-ouvertes.fr/insu-02005429/file/Crabeck_et_al-2019-Journal_of_Geophysical_Research__Oceans.pdf doi:10.1029/2018JC014597 info:eu-repo/semantics/OpenAccess ISSN: 2169-9275 EISSN: 2169-9291 Journal of Geophysical Research. Oceans https://hal-insu.archives-ouvertes.fr/insu-02005429 Journal of Geophysical Research. Oceans, Wiley-Blackwell, 2019, 124, pp.1660-1678. ⟨10.1029/2018JC014597⟩ [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2019 ftunivnantes https://doi.org/10.1029/2018JC014597 2022-11-16T01:30:27Z International audience Sea ice in part controls surface water properties and the ocean‐atmosphere exchange of greenhouse gases at high latitudes. In sea ice gas exists dissolved in brine and as air bubbles contained in liquid brine inclusions, or as bubbles trapped directly within the ice matrix. Current research on gas dynamics within the ocean‐sea ice‐atmosphere interface has been based on the premise that brine with dissolved air becomes supersaturated with respect to the atmosphere during ice growth. Based on Henry's Law, gas bubbles within brine should grow when brine reaches saturation during cooling, given that the total partial pressure of atmospheric gases is above the implicit pressure in brine of 1 atm. Using high‐resolution light microscopy time series imagery of gas bubble evolution inside discrete brine pockets, we observed bubbles shrinking during cooling events in response to the development of freezing pressure above 3 atm. During warming of discrete brine pockets, existing bubbles expand and new bubbles nucleate in response to depressurization. Pressure variation within these inclusions has direct impacts on aqueous‐gaseous equilibrium, indicating that Henry's Law at a constant pressure of 1 atm is inadequate to assess the partitioning between dissolved and gaseous fractions of gas in sea ice. This new evidence of pressure build‐up in discrete brine inclusions controlling the solubility of gas and nucleation of bubbles in these inclusions has the potential to affect the transport pathways of air bubbles and dissolved gases within sea ice‐ocean‐atmosphere interface and modifies brine biochemical properties. Article in Journal/Newspaper Sea ice Université de Nantes: HAL-UNIV-NANTES Journal of Geophysical Research: Oceans 124 3 1660 1678 |