Tracer measurements in growing sea ice support convective gravity drainage parameterizations
International audience Gravity drainage is the dominant process redistributing solutes in growing sea ice. Modeling gravity drainage is therefore necessary to predict physical and biogeochemical variables in sea ice. We evaluate seven gravity drainage parameterizations, spanning the range of approac...
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
2020
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Online Access: | https://hal.science/hal-02904132 https://hal.science/hal-02904132/document https://hal.science/hal-02904132/file/Thomas_et_al_JGR2020.pdf https://doi.org/10.1029/2019jc015791 |
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Open Polar |
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Archives ouvertes de Paris-Saclay |
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ftuniparissaclay |
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English |
topic |
[PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] |
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[PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] Thomas, M. Vancoppenolle, Martin France, J.-L. Sturges, W. T. Bakker, Dorothee C. E. Kaiser, J. von Glasow, R. Tracer measurements in growing sea ice support convective gravity drainage parameterizations |
topic_facet |
[PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] |
description |
International audience Gravity drainage is the dominant process redistributing solutes in growing sea ice. Modeling gravity drainage is therefore necessary to predict physical and biogeochemical variables in sea ice. We evaluate seven gravity drainage parameterizations, spanning the range of approaches in the literature, using tracer measurements in a sea ice growth experiment. Artificial sea ice is grown to around 17 cm thickness in a new experimental facility, the Roland von Glasow air-sea-ice chamber. We use NaCl (present in the water initially) and rhodamine (injected into the water after 10 cm of sea ice growth) as independent tracers of brine dynamics. We measure vertical profiles of bulk salinity in situ, as well as bulk salinity and rhodamine in discrete samples taken at the end of the experiment. Convective parameterizations that diagnose gravity drainage using Rayleigh numbers outperform a simpler convective parameterization and diffusive parameterizations when compared to observations. This study is the first to numerically model solutes decoupled from salinity using convective gravity drainage parameterizations. Our results show that (1) convective, Rayleigh number-based parameterizations are our most accurate and precise tool for predicting sea ice bulk salinity; and (2) these parameterizations can be generalized to brine dynamics parameterizations, and hence can predict the dynamics of any solute in growing sea ice. Plain Language Summary The cold atmosphere in the Arctic and Southern Oceans can cause sea water to freeze at the surface, forming sea ice. The salt present in the sea water is trapped in the newly formed sea ice, in pockets of very salty liquid, or brine. Brine is much denser than the ocean below, which causes the brine to drain into the ocean. This process is generally referred to as gravity drainage. It is critically important, affecting the ocean's circulation, the movement of greenhouse gases through sea ice, and the supply of nutrients to sea ice algae. Several authors have ... |
author2 |
Centre for Ocean and Atmospheric Sciences Norwich (COAS) School of Environmental Sciences Norwich University of East Anglia Norwich (UEA)-University of East Anglia Norwich (UEA) Nucleus for European Modeling of the Ocean (NEMO R&D ) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) European Project: 616938,EC:FP7:ERC,ERC-2013-CoG,ASIBIA(2014) European Project: 730997,EUROCHAMP2020(2020) |
format |
Article in Journal/Newspaper |
author |
Thomas, M. Vancoppenolle, Martin France, J.-L. Sturges, W. T. Bakker, Dorothee C. E. Kaiser, J. von Glasow, R. |
author_facet |
Thomas, M. Vancoppenolle, Martin France, J.-L. Sturges, W. T. Bakker, Dorothee C. E. Kaiser, J. von Glasow, R. |
author_sort |
Thomas, M. |
title |
Tracer measurements in growing sea ice support convective gravity drainage parameterizations |
title_short |
Tracer measurements in growing sea ice support convective gravity drainage parameterizations |
title_full |
Tracer measurements in growing sea ice support convective gravity drainage parameterizations |
title_fullStr |
Tracer measurements in growing sea ice support convective gravity drainage parameterizations |
title_full_unstemmed |
Tracer measurements in growing sea ice support convective gravity drainage parameterizations |
title_sort |
tracer measurements in growing sea ice support convective gravity drainage parameterizations |
publisher |
HAL CCSD |
publishDate |
2020 |
url |
https://hal.science/hal-02904132 https://hal.science/hal-02904132/document https://hal.science/hal-02904132/file/Thomas_et_al_JGR2020.pdf https://doi.org/10.1029/2019jc015791 |
genre |
Arctic ice algae Sea ice |
genre_facet |
Arctic ice algae Sea ice |
op_source |
ISSN: 2169-9275 EISSN: 2169-9291 Journal of Geophysical Research. Oceans https://hal.science/hal-02904132 Journal of Geophysical Research. Oceans, 2020, 125 (2), pp.e2019JC015791. ⟨10.1029/2019jc015791⟩ https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2019JC015791 |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1029/2019jc015791 info:eu-repo/grantAgreement/EC/FP7/616938/EU/Arctic sea ice, biogeochemistry and impacts on the atmosphere: Past, present, future/ASIBIA info:eu-repo/grantAgreement//730997/EU/European Union’s Horizon 2020 research and innovation programme under grant agreement/EUROCHAMP2020 hal-02904132 https://hal.science/hal-02904132 https://hal.science/hal-02904132/document https://hal.science/hal-02904132/file/Thomas_et_al_JGR2020.pdf doi:10.1029/2019jc015791 WOS: 000530025600005 |
op_rights |
http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1029/2019jc01579110.1029/2019JC015791 |
container_title |
Journal of Geophysical Research: Oceans |
container_volume |
125 |
container_issue |
2 |
_version_ |
1810293675056431104 |
spelling |
ftuniparissaclay:oai:HAL:hal-02904132v1 2024-09-15T17:51:42+00:00 Tracer measurements in growing sea ice support convective gravity drainage parameterizations Thomas, M. Vancoppenolle, Martin France, J.-L. Sturges, W. T. Bakker, Dorothee C. E. Kaiser, J. von Glasow, R. Centre for Ocean and Atmospheric Sciences Norwich (COAS) School of Environmental Sciences Norwich University of East Anglia Norwich (UEA)-University of East Anglia Norwich (UEA) Nucleus for European Modeling of the Ocean (NEMO R&D ) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) European Project: 616938,EC:FP7:ERC,ERC-2013-CoG,ASIBIA(2014) European Project: 730997,EUROCHAMP2020(2020) 2020-02 https://hal.science/hal-02904132 https://hal.science/hal-02904132/document https://hal.science/hal-02904132/file/Thomas_et_al_JGR2020.pdf https://doi.org/10.1029/2019jc015791 en eng HAL CCSD Wiley-Blackwell info:eu-repo/semantics/altIdentifier/doi/10.1029/2019jc015791 info:eu-repo/grantAgreement/EC/FP7/616938/EU/Arctic sea ice, biogeochemistry and impacts on the atmosphere: Past, present, future/ASIBIA info:eu-repo/grantAgreement//730997/EU/European Union’s Horizon 2020 research and innovation programme under grant agreement/EUROCHAMP2020 hal-02904132 https://hal.science/hal-02904132 https://hal.science/hal-02904132/document https://hal.science/hal-02904132/file/Thomas_et_al_JGR2020.pdf doi:10.1029/2019jc015791 WOS: 000530025600005 http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess ISSN: 2169-9275 EISSN: 2169-9291 Journal of Geophysical Research. Oceans https://hal.science/hal-02904132 Journal of Geophysical Research. Oceans, 2020, 125 (2), pp.e2019JC015791. ⟨10.1029/2019jc015791⟩ https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2019JC015791 [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] info:eu-repo/semantics/article Journal articles 2020 ftuniparissaclay https://doi.org/10.1029/2019jc01579110.1029/2019JC015791 2024-08-01T23:49:22Z International audience Gravity drainage is the dominant process redistributing solutes in growing sea ice. Modeling gravity drainage is therefore necessary to predict physical and biogeochemical variables in sea ice. We evaluate seven gravity drainage parameterizations, spanning the range of approaches in the literature, using tracer measurements in a sea ice growth experiment. Artificial sea ice is grown to around 17 cm thickness in a new experimental facility, the Roland von Glasow air-sea-ice chamber. We use NaCl (present in the water initially) and rhodamine (injected into the water after 10 cm of sea ice growth) as independent tracers of brine dynamics. We measure vertical profiles of bulk salinity in situ, as well as bulk salinity and rhodamine in discrete samples taken at the end of the experiment. Convective parameterizations that diagnose gravity drainage using Rayleigh numbers outperform a simpler convective parameterization and diffusive parameterizations when compared to observations. This study is the first to numerically model solutes decoupled from salinity using convective gravity drainage parameterizations. Our results show that (1) convective, Rayleigh number-based parameterizations are our most accurate and precise tool for predicting sea ice bulk salinity; and (2) these parameterizations can be generalized to brine dynamics parameterizations, and hence can predict the dynamics of any solute in growing sea ice. Plain Language Summary The cold atmosphere in the Arctic and Southern Oceans can cause sea water to freeze at the surface, forming sea ice. The salt present in the sea water is trapped in the newly formed sea ice, in pockets of very salty liquid, or brine. Brine is much denser than the ocean below, which causes the brine to drain into the ocean. This process is generally referred to as gravity drainage. It is critically important, affecting the ocean's circulation, the movement of greenhouse gases through sea ice, and the supply of nutrients to sea ice algae. Several authors have ... Article in Journal/Newspaper Arctic ice algae Sea ice Archives ouvertes de Paris-Saclay Journal of Geophysical Research: Oceans 125 2 |