Table_1_Net Community Production, Dissolved Organic Carbon Accumulation, and Vertical Export in the Western North Atlantic.DOCX
The annual North Atlantic phytoplankton bloom represents a hot spot of biological activity during which a significant fraction of net community production (NCP) can be partitioned into dissolved organic carbon (DOC). The fraction of seasonal NCP that is not respired by the heterotrophic bacterial co...
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ftfrontimediafig:oai:figshare.com:article/12219551 2023-05-15T17:26:58+02:00 Table_1_Net Community Production, Dissolved Organic Carbon Accumulation, and Vertical Export in the Western North Atlantic.DOCX Nicholas Baetge Jason R. Graff Michael J. Behrenfeld Craig A. Carlson 2020-04-30T04:27:09Z https://doi.org/10.3389/fmars.2020.00227.s001 https://figshare.com/articles/Table_1_Net_Community_Production_Dissolved_Organic_Carbon_Accumulation_and_Vertical_Export_in_the_Western_North_Atlantic_DOCX/12219551 unknown doi:10.3389/fmars.2020.00227.s001 https://figshare.com/articles/Table_1_Net_Community_Production_Dissolved_Organic_Carbon_Accumulation_and_Vertical_Export_in_the_Western_North_Atlantic_DOCX/12219551 CC BY 4.0 CC-BY Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering North Atlantic Aerosols and Marine Ecosystems Study net community production dissolved organic carbon ARGO convective overturn vertical export phytoplankton community composition Dataset 2020 ftfrontimediafig https://doi.org/10.3389/fmars.2020.00227.s001 2020-05-06T22:54:47Z The annual North Atlantic phytoplankton bloom represents a hot spot of biological activity during which a significant fraction of net community production (NCP) can be partitioned into dissolved organic carbon (DOC). The fraction of seasonal NCP that is not respired by the heterotrophic bacterial community and accumulates as seasonal surplus DOC (ΔDOC) in the surface layer represents DOC export potential to the upper mesopelagic zone, and in the North Atlantic this is facilitated by winter convective mixing that can extend to depths > 400 m. However, estimates of ΔDOC and vertical DOC export for the western North Atlantic remain ill-constrained and the influence of phytoplankton community structure on the partitioning of seasonal NCP as ΔDOC is unresolved. Here, we couple hydrographic properties from autonomous in situ sensors (ARGO floats) with biogeochemical data from two meridional transects in the late spring (∼44–56°N along ∼−41°W) and early autumn (∼42–53°N along ∼−41°W) as part of the North Atlantic Aerosols and Marine Ecosystems Study (NAAMES). We estimate that 4–35% of seasonal NCP is partitioned as ΔDOC and that annual vertical DOC export ranges between 0.34 and 1.15 mol C m –2 in the temperate and subpolar western North Atlantic. Two lines of evidence reveal that non-siliceous picophytoplankton, like Prochlorococcus, are indicator species of the conditions that control the accumulation of DOC and the partitioning of NCP as ΔDOC. Dataset North Atlantic Frontiers: Figshare |
institution |
Open Polar |
collection |
Frontiers: Figshare |
op_collection_id |
ftfrontimediafig |
language |
unknown |
topic |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering North Atlantic Aerosols and Marine Ecosystems Study net community production dissolved organic carbon ARGO convective overturn vertical export phytoplankton community composition |
spellingShingle |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering North Atlantic Aerosols and Marine Ecosystems Study net community production dissolved organic carbon ARGO convective overturn vertical export phytoplankton community composition Nicholas Baetge Jason R. Graff Michael J. Behrenfeld Craig A. Carlson Table_1_Net Community Production, Dissolved Organic Carbon Accumulation, and Vertical Export in the Western North Atlantic.DOCX |
topic_facet |
Oceanography Marine Biology Marine Geoscience Biological Oceanography Chemical Oceanography Physical Oceanography Marine Engineering North Atlantic Aerosols and Marine Ecosystems Study net community production dissolved organic carbon ARGO convective overturn vertical export phytoplankton community composition |
description |
The annual North Atlantic phytoplankton bloom represents a hot spot of biological activity during which a significant fraction of net community production (NCP) can be partitioned into dissolved organic carbon (DOC). The fraction of seasonal NCP that is not respired by the heterotrophic bacterial community and accumulates as seasonal surplus DOC (ΔDOC) in the surface layer represents DOC export potential to the upper mesopelagic zone, and in the North Atlantic this is facilitated by winter convective mixing that can extend to depths > 400 m. However, estimates of ΔDOC and vertical DOC export for the western North Atlantic remain ill-constrained and the influence of phytoplankton community structure on the partitioning of seasonal NCP as ΔDOC is unresolved. Here, we couple hydrographic properties from autonomous in situ sensors (ARGO floats) with biogeochemical data from two meridional transects in the late spring (∼44–56°N along ∼−41°W) and early autumn (∼42–53°N along ∼−41°W) as part of the North Atlantic Aerosols and Marine Ecosystems Study (NAAMES). We estimate that 4–35% of seasonal NCP is partitioned as ΔDOC and that annual vertical DOC export ranges between 0.34 and 1.15 mol C m –2 in the temperate and subpolar western North Atlantic. Two lines of evidence reveal that non-siliceous picophytoplankton, like Prochlorococcus, are indicator species of the conditions that control the accumulation of DOC and the partitioning of NCP as ΔDOC. |
format |
Dataset |
author |
Nicholas Baetge Jason R. Graff Michael J. Behrenfeld Craig A. Carlson |
author_facet |
Nicholas Baetge Jason R. Graff Michael J. Behrenfeld Craig A. Carlson |
author_sort |
Nicholas Baetge |
title |
Table_1_Net Community Production, Dissolved Organic Carbon Accumulation, and Vertical Export in the Western North Atlantic.DOCX |
title_short |
Table_1_Net Community Production, Dissolved Organic Carbon Accumulation, and Vertical Export in the Western North Atlantic.DOCX |
title_full |
Table_1_Net Community Production, Dissolved Organic Carbon Accumulation, and Vertical Export in the Western North Atlantic.DOCX |
title_fullStr |
Table_1_Net Community Production, Dissolved Organic Carbon Accumulation, and Vertical Export in the Western North Atlantic.DOCX |
title_full_unstemmed |
Table_1_Net Community Production, Dissolved Organic Carbon Accumulation, and Vertical Export in the Western North Atlantic.DOCX |
title_sort |
table_1_net community production, dissolved organic carbon accumulation, and vertical export in the western north atlantic.docx |
publishDate |
2020 |
url |
https://doi.org/10.3389/fmars.2020.00227.s001 https://figshare.com/articles/Table_1_Net_Community_Production_Dissolved_Organic_Carbon_Accumulation_and_Vertical_Export_in_the_Western_North_Atlantic_DOCX/12219551 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
doi:10.3389/fmars.2020.00227.s001 https://figshare.com/articles/Table_1_Net_Community_Production_Dissolved_Organic_Carbon_Accumulation_and_Vertical_Export_in_the_Western_North_Atlantic_DOCX/12219551 |
op_rights |
CC BY 4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.3389/fmars.2020.00227.s001 |
_version_ |
1766118848265715712 |