BUSCADOR RECOLECTA

The item is made of 2 files, of which 1 is the dataset and the other include detailed information about measures realized.-- Dataset contributed to the Project Carbochange, This dataset gathers discrete measurements of CO2 (pH and alkalinity) and hydrographic variables (salinity, temperature, dissolved oxygen, nitrate, phosphate and silicate) obtained during the cruise MOC2EQ carried out from 5 April to 16 May 2010. pH was measured spectrophotometrically following the Clayton and Byrne (1993). This method consists on adding a dye solution to the seawater sample, so that the ratio between two absorbances at two different wavelengths is proportional to the sample pH. Alkalinity was measured using an automatic potentiometric titrator Titrando 809 Metrohm, with a Metrohm 6.0232.100 combination glass electrode and a Pt-1000 probe for temperature measurement following the methodology given by Pérez and Fraga (1987). Dissolved oxygen was analyzed following the widely applied Winkler method. Determinations of nitrate, phosphate and silicate were carried out following methods described by Hansen and Grassoff (1983) Salinity and Temperature were recorded with a CTD probe, Spanish Projects GHG4MOC (CTM2009-07574-E) and MOC2 (CTM2008-06438-C02-01/MAR) supported by Ministerio de Ciencia e Innovación, and CARBOCHANGE (264879), No

MOC-TRANSIT Cruise (29HE20100315) carried out on the Research Vessel Hespérides in 2010, MOC "Oceanic Memory of the Climate: Intermediate water flow and its transformation into surface waters in the Equatorial Atlantic"

MOC2EQ Cruise (29HE20100402) carried out on the Research Vessel Hespérides in 2010, MOC "Oceanic Memory of the Climate: Intermediate water flow and its transformation into surface waters in the Equatorial Atlantic ". Discrete measurements of CO2 (pH and alkalinity) and hydrographic variables (salinity, temperature, dissolved oxygen, nitrate, phosphate and silicate) obtained during the cruise MOC2EQ carried out from 5 April to 16 May 2010

INDEMARES-2 Cruise (29GD20100606) carried out on the Research Vessel García del Cid in 2010, To study the benthic communities of the Cap de Creus canyon and the Menorca channel.The campaign began with the bathymetric and geomorphological characterization of the southern area of the canyon from which we had no information.Transects were made with the submarine JAGO

INDEMARES-3 Cruise (29GD20100903) carried out on the Research Vessel García del Cid in 2010, To study the benthic communities of the Cap de Creus canyon and the Menorca channel.The study area of the campaign is the north and south slope of the channel and the semi-deep zones of the southern canyon of Menorca adjacent to the channel, and the objective was to collect geological, oceanographic and bionomic information of the study area through transects of video of the benthic communities that inhabit the continental slope.The use of the submarine JAGO was a priority during the course of the campaign,A total of 10 dives were performed, in which video transects were made and samples were collected (rocks, benthic organisms and zooplankton).Dredge sets were made by Van Veen (24 hauls) and Martin Rauschert (10), to characterize the infauna and megafauna communities, respectively. Zooplankton fishing was also carried out through the zooplankton net (7 hauls) and zooplankton pump to characterize heterotrophic plankton populations in the area. In addition, water samples and profiles of CTD and rosette (9 hauls) were also obtained in order to characterize the water column at the physico-chemical level. We also proceeded to characterize the water column and the particulate matter fluxes of the Son Bou canyon through anchoring / mooring. During the night work shift, once all activities on the deck had been completed, sweeps were performed with the multibeam probe to characterize the bathymetry of the study areas