urn:SDN:CSR:LOCAL:SI29201405210 utf8 Campaña/Survey Cruise Summary record Instituto Español de Oceanografía Royal Belgian Institute of Natural Sciences, Management Unit of North Sea and Scheldt Estuary Mathematical Models, Belgian Marine Data Centre N/A Belgium N/A pointOfContact 2021-11-29 ISO 19115/SeaDataNet profile 1.0 SeaDataNet geographic co-ordinate reference frames L10 2011-03-03 revision 3 https://www.seadatanet.org/urnurl/SDN:L10 World Geodetic System 84 Campaña: 2014/14 Survey: 2014/14 Referencia IEO: BSH20143186 IEO ID: BSH20143186 2014-05-31 creation urn:SDN:CSR:LOCAL:BSH20143186 urn:SDN:CSR:LOCAL:BSH20143186 UNKNOWN UNKNOWN N/A Unknown N/A originator UNKNOWN UNKNOWN N/A Belgium N/A originator UNKNOWN UNKNOWN N/A Belgium N/A originator The research programme of Belgica campaign 2014/14 aimed at assessing the different biogeochemical processes controlling the carbon and nitrogen cycles in oligotrophic N.E. Atlantic waters. These cycles are essential components of the ‘biological Carbon Pump' by which part of atmospheric carbon dioxide is transferred to the ocean's interior. Our approach is based on the use of dual nitrate isotope measurements (natural abundance and enrichment experiments) to disentangle these various nitrogen processes in the marine environment, and in particular the process of diazotrophy by which atmospheric N2 is introduced into the oceanic fixed nitrogen reservoir. This input of ‘new' nitrogen should stand in balance with the denitrification process by which nitrogen is lost from the oceanic system. There are indications that the intensity as well as the geographical distribution of diazotrophic activity has been underestimated till date, in general. It is of particular interest to better document diazotrophic activity at latitudes of 38°N and northward, areas for which only few data are available. During the cruise we studied the different biogeochemical processes acting on the marine N-cycle, including N2 fixation, nitrate (NO3-), ammonium (NH4+) and nitrite (NO2-) uptake, nitrification, along a north-south section through the Gulf of Biscaye to Cape Finisterre and further south in open ocean waters along the Iberian peninsula till about 38°30'N. In addition, the effect of iron limitation on the nitrogen fixation and the nitrification processes was investigated. The research programme of Belgica campaign 2014/14 aimed at assessing the different biogeochemical processes controlling the carbon and nitrogen cycles in oligotrophic N.E. Atlantic waters. These cycles are essential components of the ‘biological Carbon Pump' by which part of atmospheric carbon dioxide is transferred to the ocean's interior. Our approach is based on the use of dual nitrate isotope measurements (natural abundance and enrichment experiments) to disentangle these various nitrogen processes in the marine environment, and in particular the process of diazotrophy by which atmospheric N2 is introduced into the oceanic fixed nitrogen reservoir. This input of ‘new' nitrogen should stand in balance with the denitrification process by which nitrogen is lost from the oceanic system. There are indications that the intensity as well as the geographical distribution of diazotrophic activity has been underestimated till date, in general. It is of particular interest to better document diazotrophic activity at latitudes of 38°N and northward, areas for which only few data are available. During the cruise we studied the different biogeochemical processes acting on the marine N-cycle, including N2 fixation, nitrate (NO3-), ammonium (NH4+) and nitrite (NO2-) uptake, nitrification, along a north-south section through the Gulf of Biscaye to Cape Finisterre and further south in open ocean waters along the Iberian peninsula till about 38°30'N. In addition, the effect of iron limitation on the nitrogen fixation and the nitrification processes was investigated. Prof. Dr.. Frank Dehairs Vrije Universiteit Brussels, Faculty of Sciences, Department of Chemistry, Laboratory of Analytical and Environmental Chemistry Vrije Universiteit Brussels, Faculty of Sciences, Department of Chemistry, Laboratory of Analytical and Environmental Chemistry +32 (0)2 629 1265 +32 (0)2 629 1811 Belgium fdehairs@vub.ac.be pointOfContact https://csr.seadatanet.org/html/20143186/20143186_trackchart.gif GIF Oceanographic geographical features theme GEMET - INSPIRE themes, version 1.0 2008-06-01 publication 110 145 146 216 marsden_square Ten-degree Marsden Squares C37 2007-08-03 revision https://www.seadatanet.org/urnurl/SDN:C37 Zeebrugge departure_place SeaDataNet Ports Gazetteer C38 2007-09-20 revision https://www.seadatanet.org/urnurl/SDN:C38 Lisbon arrival_place SeaDataNet Ports Gazetteer C38 2007-09-20 revision https://www.seadatanet.org/urnurl/SDN:C38 Belgium departure_country International Standards Organisation countries C32 2007-08-22 revision https://www.seadatanet.org/urnurl/SDN:C32 Portugal arrival_country International Standards Organisation countries C32 2007-08-22 revision https://www.seadatanet.org/urnurl/SDN:C32 Belgica platform ICES Platform Codes C17 2007-05-14 revision https://www.seadatanet.org/urnurl/SDN:C17 research vessel platform_class SeaVoX Platform Categories L06 2007-01-13 revision https://www.seadatanet.org/urnurl/SDN:L06 Bay of Biscay place SeaVoX salt and fresh water body gazetteer C19 2007-03-01 revision https://www.seadatanet.org/urnurl/SDN:C19 Trace metalloid concentrations in biota Carbon concentrations in suspended particulate material Light absorption in the water column New production in water bodies Density of the water column Chlorophyll pigment concentrations in water bodies Nitrogen concentrations in suspended particulate material Alkalinity, acidity and pH of the water column Ocean colour and earth-leaving visible waveband spectral radiation Salinity of the water column Nitrification rate in the water column Concentration of silicon species in the water column Date and time Silicate concentration parameters in the water column Nitrate concentration parameters in the water column Temperature of the water column Ammonium and ammonia concentration parameters in water bodies Nitrite concentration parameters in the water column Phosphate concentration parameters in the water column parameter BODC Parameter Discovery Vocabulary P02 2007-09-25 revision https://www.seadatanet.org/urnurl/SDN:P02 meteorological packages CTD instrument SeaDataNet device categories L05 2007-03-01 publication https://www.seadatanet.org/urnurl/SDN:L05 Not applicable utf8 oceans -20.000000 -10.000000 30.000000 40.000000 0.001 10.000000 50.000000 60.000000 -20.000000 -10.000000 40.000000 50.000000 -10.000000 0.001 40.000000 50.000000 2014-05-21T00:00:00Z 2014-05-31T00:00:00Z XML 1 https://csr.seadatanet.org/ WWW:LINK-1.0-http--related Base de datos internacional con información de campañas desde 1873 hasta la actualidad. La presente campaña la podrás encontrar como 2014/14. International database with information of surveys from 1873 till today. Use the tag 2014/14 to locate the present survey. SeaDataNet - CRS inventory https://cdi.seadatanet.org/search WWW:LINK-1.0-http--related Descubre si hay datos de esta campaña disponibles, utilizando para ello la etiqueta 2014/14 en el buscador de datos de SeaDataNet. Discover if there are available data associated to this cruise by using the tag 2014/14 in the free search box of the SeaDataNet portal. SeaDataNet - CDI inventory Campaña/Survey Reglamento (UE) n o 1089/2010 de la Comisión de 23 de noviembre de 2010 por el que se aplica la Directiva 2007/2/CE del Parlamento Europeo y del Consejo en lo que se refiere a la interoperabilidad de los conjuntos y los servicios de datos espaciales Commission Regulation (EU) No 1312/2014 of 10 December 2014 amending Regulation (EU) No 1089/2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data services 2010-12-08 publication See the referenced specification true Reglamento (UE) n o 1089/2010 de la Comisión de 23 de noviembre de 2010 por el que se aplica la Directiva 2007/2/CE del Parlamento Europeo y del Consejo en lo que se refiere a la interoperabilidad de los conjuntos y los servicios de datos espaciales Commission Regulation (EU) No 1312/2014 of 10 December 2014 amending Regulation (EU) No 1089/2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data services 2010-12-08 publication See the referenced specification true El Centro de datos aplica controles de calidad estandarizados a todos los datos de los que es responsable. 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