Biogeochemical budgets in the eastern boundary current system of the North Atlantic: Evidence of net heterotrophy and nitrogen fixation
8 páginas, 2 figuras, 1 tabla Thermohaline and chemical data from three WOCE (World Ocean Circulation Experiment) cruises conducted in 1997 and 1998 define the MedBox region, bounded by the Strait of Gibraltar, 24uN, 41uN, and 22uW. The carbon budget indicates that the MedBox is a heterotrophic regi...
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Language: | English |
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American Society of Limnology and Oceanography
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ftcsic:oai:digital.csic.es:10261/55477 2024-02-11T10:06:26+01:00 Biogeochemical budgets in the eastern boundary current system of the North Atlantic: Evidence of net heterotrophy and nitrogen fixation Álvarez, Marta Álvarez-Salgado, Xosé Antón 2007 http://hdl.handle.net/10261/55477 en eng American Society of Limnology and Oceanography https://doi.org/10.4319/lo.2007.52.4.1328 Limnology and Oceanography 52(4): 1328-1335 (2007) 0024-3590 http://hdl.handle.net/10261/55477 open artículo http://purl.org/coar/resource_type/c_6501 2007 ftcsic https://doi.org/10.4319/lo.2007.52.4.1328 2024-01-16T09:40:23Z 8 páginas, 2 figuras, 1 tabla Thermohaline and chemical data from three WOCE (World Ocean Circulation Experiment) cruises conducted in 1997 and 1998 define the MedBox region, bounded by the Strait of Gibraltar, 24uN, 41uN, and 22uW. The carbon budget indicates that the MedBox is a heterotrophic region, where carbon is mineralized at a net rate of 17 6 11 g C m22 yr21, supported by the input of allochthonous organic matter, mainly in the dissolved form, from the adjacent ocean. Dissolved organic carbon accounts for 90% of the organic carbon demand. In vitro measurements to estimate the net community production of the study area differ largely from our geochemical budget estimation, likely reflecting different spatial and temporal scales and/or terms or processes not taken into account by both methods. The nitrogen budget of the MedBox pointed to a significant atmospheric input via N2 fixation (3.4 6 3.1 g N m22 yr21). M. Álvarez was funded by a postdoctoral fellowship of the European Social Fund–CSIC I3P program. Peer reviewed Article in Journal/Newspaper North Atlantic Digital.CSIC (Spanish National Research Council) Limnology and Oceanography 52 4 1328 1335 |
institution |
Open Polar |
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Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
description |
8 páginas, 2 figuras, 1 tabla Thermohaline and chemical data from three WOCE (World Ocean Circulation Experiment) cruises conducted in 1997 and 1998 define the MedBox region, bounded by the Strait of Gibraltar, 24uN, 41uN, and 22uW. The carbon budget indicates that the MedBox is a heterotrophic region, where carbon is mineralized at a net rate of 17 6 11 g C m22 yr21, supported by the input of allochthonous organic matter, mainly in the dissolved form, from the adjacent ocean. Dissolved organic carbon accounts for 90% of the organic carbon demand. In vitro measurements to estimate the net community production of the study area differ largely from our geochemical budget estimation, likely reflecting different spatial and temporal scales and/or terms or processes not taken into account by both methods. The nitrogen budget of the MedBox pointed to a significant atmospheric input via N2 fixation (3.4 6 3.1 g N m22 yr21). M. Álvarez was funded by a postdoctoral fellowship of the European Social Fund–CSIC I3P program. Peer reviewed |
format |
Article in Journal/Newspaper |
author |
Álvarez, Marta Álvarez-Salgado, Xosé Antón |
spellingShingle |
Álvarez, Marta Álvarez-Salgado, Xosé Antón Biogeochemical budgets in the eastern boundary current system of the North Atlantic: Evidence of net heterotrophy and nitrogen fixation |
author_facet |
Álvarez, Marta Álvarez-Salgado, Xosé Antón |
author_sort |
Álvarez, Marta |
title |
Biogeochemical budgets in the eastern boundary current system of the North Atlantic: Evidence of net heterotrophy and nitrogen fixation |
title_short |
Biogeochemical budgets in the eastern boundary current system of the North Atlantic: Evidence of net heterotrophy and nitrogen fixation |
title_full |
Biogeochemical budgets in the eastern boundary current system of the North Atlantic: Evidence of net heterotrophy and nitrogen fixation |
title_fullStr |
Biogeochemical budgets in the eastern boundary current system of the North Atlantic: Evidence of net heterotrophy and nitrogen fixation |
title_full_unstemmed |
Biogeochemical budgets in the eastern boundary current system of the North Atlantic: Evidence of net heterotrophy and nitrogen fixation |
title_sort |
biogeochemical budgets in the eastern boundary current system of the north atlantic: evidence of net heterotrophy and nitrogen fixation |
publisher |
American Society of Limnology and Oceanography |
publishDate |
2007 |
url |
http://hdl.handle.net/10261/55477 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
https://doi.org/10.4319/lo.2007.52.4.1328 Limnology and Oceanography 52(4): 1328-1335 (2007) 0024-3590 http://hdl.handle.net/10261/55477 |
op_rights |
open |
op_doi |
https://doi.org/10.4319/lo.2007.52.4.1328 |
container_title |
Limnology and Oceanography |
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52 |
container_issue |
4 |
container_start_page |
1328 |
op_container_end_page |
1335 |
_version_ |
1790604152395530240 |