Relationship between DMS concentration and the upper mixed layer solar radiation dose
International audience Dimethylsulfide (DMS) is a natural sulfur compound arising from algal dimethylsulfoniopropionate (DMSP) but through complex biotic and abiotic processes. It is an important natural source of atmospheric sulfur providing new and/or bigger hygroscopic particles for cloud formati...
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ftceafr:oai:HAL:hal-04113759v1 2024-04-28T08:30:50+00:00 Relationship between DMS concentration and the upper mixed layer solar radiation dose Belviso, S. Caniaux, G. Laboratoire des Sciences du Climat et de l'Environnement (LSCE) Commissariat à l'énergie atomique et aux énergies alternatives (CEA) à renseigner, Unknown Region 2009 https://hal.science/hal-04113759 en eng HAL CCSD hal-04113759 https://hal.science/hal-04113759 BIBCODE: 2009EGUGA.11.2005B EGU General Assembly 2009 https://hal.science/hal-04113759 EGU General Assembly 2009, 2009, à renseigner, Unknown Region. pp.2005 [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/conferenceObject Conference papers 2009 ftceafr 2024-04-11T00:29:40Z International audience Dimethylsulfide (DMS) is a natural sulfur compound arising from algal dimethylsulfoniopropionate (DMSP) but through complex biotic and abiotic processes. It is an important natural source of atmospheric sulfur providing new and/or bigger hygroscopic particles for cloud formation over the ocean. One recent study (Vallina and Simo, Science, 2007) suggests the existence of a close quantitative link, at the global scale but also locally, between DMS and the solar radiation dose (SRD), a measure of available radiation inside the mixed layer. Joint data including CTDs, DMS concentration and solar radiation data, collected all along the year 2001 in the northeastern Atlantic during the POMME experiment are analyzed. Contrary to the observations in the Sargasso Sea and Blanes Bay (Mediterranean Sea) presented by Vallina and Simo (2007), this new data set clearly indicates that SRD and DMS are only weakly correlated, and this whatever the numerous sensitivity tests performed (i.e. the solar irradiance, the optical properties of surface waters, the mixed layer depth criteria). Additionally, the DMS versus SRD relationship appears quite sensitive to the irradiance attenuation law. Hence, it appears that SRD cannot be used to understand DMS dynamics at the scale of the north Atlantic basin. Conference Object North Atlantic HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives) |
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Open Polar |
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HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives) |
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language |
English |
topic |
[SDU]Sciences of the Universe [physics] |
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[SDU]Sciences of the Universe [physics] Belviso, S. Caniaux, G. Relationship between DMS concentration and the upper mixed layer solar radiation dose |
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[SDU]Sciences of the Universe [physics] |
description |
International audience Dimethylsulfide (DMS) is a natural sulfur compound arising from algal dimethylsulfoniopropionate (DMSP) but through complex biotic and abiotic processes. It is an important natural source of atmospheric sulfur providing new and/or bigger hygroscopic particles for cloud formation over the ocean. One recent study (Vallina and Simo, Science, 2007) suggests the existence of a close quantitative link, at the global scale but also locally, between DMS and the solar radiation dose (SRD), a measure of available radiation inside the mixed layer. Joint data including CTDs, DMS concentration and solar radiation data, collected all along the year 2001 in the northeastern Atlantic during the POMME experiment are analyzed. Contrary to the observations in the Sargasso Sea and Blanes Bay (Mediterranean Sea) presented by Vallina and Simo (2007), this new data set clearly indicates that SRD and DMS are only weakly correlated, and this whatever the numerous sensitivity tests performed (i.e. the solar irradiance, the optical properties of surface waters, the mixed layer depth criteria). Additionally, the DMS versus SRD relationship appears quite sensitive to the irradiance attenuation law. Hence, it appears that SRD cannot be used to understand DMS dynamics at the scale of the north Atlantic basin. |
author2 |
Laboratoire des Sciences du Climat et de l'Environnement (LSCE) Commissariat à l'énergie atomique et aux énergies alternatives (CEA) |
format |
Conference Object |
author |
Belviso, S. Caniaux, G. |
author_facet |
Belviso, S. Caniaux, G. |
author_sort |
Belviso, S. |
title |
Relationship between DMS concentration and the upper mixed layer solar radiation dose |
title_short |
Relationship between DMS concentration and the upper mixed layer solar radiation dose |
title_full |
Relationship between DMS concentration and the upper mixed layer solar radiation dose |
title_fullStr |
Relationship between DMS concentration and the upper mixed layer solar radiation dose |
title_full_unstemmed |
Relationship between DMS concentration and the upper mixed layer solar radiation dose |
title_sort |
relationship between dms concentration and the upper mixed layer solar radiation dose |
publisher |
HAL CCSD |
publishDate |
2009 |
url |
https://hal.science/hal-04113759 |
op_coverage |
à renseigner, Unknown Region |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
EGU General Assembly 2009 https://hal.science/hal-04113759 EGU General Assembly 2009, 2009, à renseigner, Unknown Region. pp.2005 |
op_relation |
hal-04113759 https://hal.science/hal-04113759 BIBCODE: 2009EGUGA.11.2005B |
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1797588559293579264 |