Fast Warming of the Surface Ocean Under a Climatological Scenario
International audience Key Points: 6 • Weakly varying climatological winds reduce upper ocean vertical mixing, affect-7 ing the redistribution of air-sea fluxes 8 • Coupled to an atmospheric boundary layer, the modeled ocean response to clima-9 tological winds is to warm up considerably at the surfa...
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Online Access: | https://hal.science/hal-02410290 https://hal.science/hal-02410290/document https://hal.science/hal-02410290/file/clim_wind_v03.pdf https://doi.org/10.1029/2019GL082336 |
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ftunivbrest:oai:HAL:hal-02410290v1 2023-12-17T10:46:47+01:00 Fast Warming of the Surface Ocean Under a Climatological Scenario Jamet, Q. Dewar, W., K Wienders, N. Deremble, B. Laboratoire de physique des océans (LPO) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) Florida State University Tallahassee (FSU) 2019-04-04 https://hal.science/hal-02410290 https://hal.science/hal-02410290/document https://hal.science/hal-02410290/file/clim_wind_v03.pdf https://doi.org/10.1029/2019GL082336 en eng HAL CCSD American Geophysical Union info:eu-repo/semantics/altIdentifier/doi/10.1029/2019GL082336 hal-02410290 https://hal.science/hal-02410290 https://hal.science/hal-02410290/document https://hal.science/hal-02410290/file/clim_wind_v03.pdf doi:10.1029/2019GL082336 info:eu-repo/semantics/OpenAccess ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://hal.science/hal-02410290 Geophysical Research Letters, 2019, 46 (7), pp.3871-3879. ⟨10.1029/2019GL082336⟩ [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography info:eu-repo/semantics/article Journal articles 2019 ftunivbrest https://doi.org/10.1029/2019GL082336 2023-11-21T23:41:53Z International audience Key Points: 6 • Weakly varying climatological winds reduce upper ocean vertical mixing, affect-7 ing the redistribution of air-sea fluxes 8 • Coupled to an atmospheric boundary layer, the modeled ocean response to clima-9 tological winds is to warm up considerably at the surface 10 • Results illustrate the pivotal improvements in air-sea interactions achieved by driv-11 ing an ocean model with an atmospheric boundary layer 12 Abstract 13 We examine various strategies for forcing ocean-only models, including an atmospheric 14 boundary layer model. This surface forcing allows air-sea exchanges to affect atmospheric 15 temperature and relative humidity, thus removing the assumption of an infinite atmo-16 spheric heat capacity associated with the prescription of these variables. When exposed 17 to climatological winds, the simulated North Atlantic oceanic temperature warms con-18 siderably at the surface as compared to a model with full atmospheric variability. This 19 warming is mainly explained by a weakened upper ocean vertical mixing in response to 20 the weakly varying climatological winds. Specifying the atmospheric temperatures in-21 hibits this warming, but depends on the unrealistic large atmospheric heat capacity. We 22 thus interpret the simulated warmer ocean as a more physically consistent ocean response. 23 We conclude the use of an atmospheric boundary layer model provides many benefits 24 for ocean only modeling, although a 'normal' year strategy is required for maintaining 25 high frequency winds. 26 Article in Journal/Newspaper North Atlantic Université de Bretagne Occidentale: HAL Geophysical Research Letters 46 7 3871 3879 |
institution |
Open Polar |
collection |
Université de Bretagne Occidentale: HAL |
op_collection_id |
ftunivbrest |
language |
English |
topic |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
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[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography Jamet, Q. Dewar, W., K Wienders, N. Deremble, B. Fast Warming of the Surface Ocean Under a Climatological Scenario |
topic_facet |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
description |
International audience Key Points: 6 • Weakly varying climatological winds reduce upper ocean vertical mixing, affect-7 ing the redistribution of air-sea fluxes 8 • Coupled to an atmospheric boundary layer, the modeled ocean response to clima-9 tological winds is to warm up considerably at the surface 10 • Results illustrate the pivotal improvements in air-sea interactions achieved by driv-11 ing an ocean model with an atmospheric boundary layer 12 Abstract 13 We examine various strategies for forcing ocean-only models, including an atmospheric 14 boundary layer model. This surface forcing allows air-sea exchanges to affect atmospheric 15 temperature and relative humidity, thus removing the assumption of an infinite atmo-16 spheric heat capacity associated with the prescription of these variables. When exposed 17 to climatological winds, the simulated North Atlantic oceanic temperature warms con-18 siderably at the surface as compared to a model with full atmospheric variability. This 19 warming is mainly explained by a weakened upper ocean vertical mixing in response to 20 the weakly varying climatological winds. Specifying the atmospheric temperatures in-21 hibits this warming, but depends on the unrealistic large atmospheric heat capacity. We 22 thus interpret the simulated warmer ocean as a more physically consistent ocean response. 23 We conclude the use of an atmospheric boundary layer model provides many benefits 24 for ocean only modeling, although a 'normal' year strategy is required for maintaining 25 high frequency winds. 26 |
author2 |
Laboratoire de physique des océans (LPO) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) Florida State University Tallahassee (FSU) |
format |
Article in Journal/Newspaper |
author |
Jamet, Q. Dewar, W., K Wienders, N. Deremble, B. |
author_facet |
Jamet, Q. Dewar, W., K Wienders, N. Deremble, B. |
author_sort |
Jamet, Q. |
title |
Fast Warming of the Surface Ocean Under a Climatological Scenario |
title_short |
Fast Warming of the Surface Ocean Under a Climatological Scenario |
title_full |
Fast Warming of the Surface Ocean Under a Climatological Scenario |
title_fullStr |
Fast Warming of the Surface Ocean Under a Climatological Scenario |
title_full_unstemmed |
Fast Warming of the Surface Ocean Under a Climatological Scenario |
title_sort |
fast warming of the surface ocean under a climatological scenario |
publisher |
HAL CCSD |
publishDate |
2019 |
url |
https://hal.science/hal-02410290 https://hal.science/hal-02410290/document https://hal.science/hal-02410290/file/clim_wind_v03.pdf https://doi.org/10.1029/2019GL082336 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://hal.science/hal-02410290 Geophysical Research Letters, 2019, 46 (7), pp.3871-3879. ⟨10.1029/2019GL082336⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1029/2019GL082336 hal-02410290 https://hal.science/hal-02410290 https://hal.science/hal-02410290/document https://hal.science/hal-02410290/file/clim_wind_v03.pdf doi:10.1029/2019GL082336 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1029/2019GL082336 |
container_title |
Geophysical Research Letters |
container_volume |
46 |
container_issue |
7 |
container_start_page |
3871 |
op_container_end_page |
3879 |
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1785570416524263424 |