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The goals of this campaign are framed within the objectives of the overall project 'Radial Profunda de Canarias', being the experimental cruise of the proposal. Thus, this cruise will help to: • Determine the structure of the current when it reaches the Canary Islands, mass transport, heat and nutrients and interannual variability. • Characterize the different modes of variability of heat and mass transport in easternorth atlantic subtropical gyre. • To determine the correlation between heat and mass transport with the NAO atmospheric and oceanic index. • Characterize the annual cycle in the physical conditions of the surface layers and mixture to where the seasonal cycle is significant, relating it to the meteorological forcings. • Characterization of changes in water masses, mainly in the North Atlantic Central Water (NACW), in Antarctic Atlantic Intermediate Water (AAIW) in Mediterranean Water (MW) and bottom waters of the Canary Basin, in based on temperature, salinity, nutrients and oxygen.
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This survey has been projected in the frame of La Restinga Volcano monitoring. After a wide number of surveys conducted by R/V Ramon Margalef during the volcano crissis (from october 2011 to february 2012) the aim this time is to compleate a bathymetric surver again in order to find out possible changes in geomorphology, Sound velocity profiles will be carried out in order to obtain the best accuracy on the data adquired.
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The NUREIEV1 cruise targets the main objective of testing the hypothesis that sea storms are the main trigger for the transfer of matter and energy, including pollutants and litter, from the coastal to the deep ocean in the SE of Spain (36º20’N to 37º36’N and 2º40’W to 0º40’W). A dedicated strategy was performed during the NUREIEV1 cruise to achieve the objective including: 1) the collection of sediment cores (multicores and gravity cores) in the vicinity of the mine tailings deposit near the Portman Bay 2) the deployment of mooring lines with automated sediment traps and currentmeters to monitor particle fluxes (including pollutants released from the mine tailings deposit) and near bottom oceanographic parameters (current speed and directions, temperature, transmissivity), 3) the profiling of the water column (either from the ship by means of a CTD and from a little boat in the shallower stations) to study physico-chemical characteristics of the water column including dissolved trace elements and radiosotopes 4) the collection of floating debris including microplastics from surface waters 5) and the high resolution swath mapping and TOPAS profiling to investigate seafloor features.
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The objective of the project RADIALES, started in 1990, aims at “understanding and modelling the response of the marine ecosystem to the sources of temporal variability in oceanographic and planktonic components, focusing on those factors and processes affecting biological production and potentially altering the ecosystem services”. This project is the oldest multidisciplinary ocean observation initiative still active in Spain.
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The objective of the project RADIALES, started in 1990, aims at “understanding and modelling the response of the marine ecosystem to the sources of temporal variability in oceanographic and planktonic components, focusing on those factors and processes affecting biological production and potentially altering the ecosystem services”. This project is the oldest multidisciplinary ocean observation initiative still active in Spain. Tests of deploy and recovery lander prototype vehicule.
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Evaluation of the effect of spills of emissaries in the Bay of Palma de Mallorca
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Recovery of lost Moorings.
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Oceanographic survey collected in the framework of the following research project: - Métodos de Produccion de Huevos. Estimacion de la biomasa de especies pelagicas de interes comercial: sardina, anchoa, caballa y jurel (ICTIOEVA)-. This Project is funded by the Instituto Espanol de Oceanografia and the main scientific objective is to produce an index and a direct estimate of the biomass of the Gulf of Cadiz anchovy stock using the Daily Egg Production Method (DEPM). Specific aims: a) To estimate the spawning area distribution of anchovy and the daily and total egg production. b) To collect adults to obtain anchovy gonads for atresia and fecundity estimation c) Distribution and abundance of other commercial species of interest: sardine, horse mackerel d) To describe the oceanographic and meteorological character of the area of study with the aim of relating environmental conditions (temperature, salinity, currents) with the spatial distribution of the ichthyoplankton
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To estimate nitrogen (NH4+, NO2-, NO3-), phosphate and silicate fluxes in the Strait of Gibraltar, to quantify and characterise the fluxes of particulate organic carbon and nitrogen (POC/PON) and to estimate of picoplankton, nanoplankton and microplankton biomass distribution in the Strait of Gibraltar.(Workpackage 4.2. -Inorganic and organic fluxes in the Strait of Gibraltar). To describe the hydrological structure and the geochemical fields of the region of the Gulf of Cadiz, particularly at the levels influenced by the Mediterranean waters, in order to set a background for interpreting the dynamics of the Outflow (Wokpackage 4.3. ' Mediterranean Outflow').
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The objectives of this cruise are framed on the project ¿Radial Profunda de Canarias (RAPROCAN-III)¿. This Project is funded by the Instituto Español de Oceanografía and the main scientific objectives are: a) Characterize the different ways of variability of heat and mass transport at the eastern end of the subtropical gyre. b) Determine the structure of current that reaches the Canary Islands, their mass trans port, heat and nutrients and their interannual variability. c) Determine the correlation between heat and mass transport with the atmospheric and oceanic NAO index. d) Characterize the annual cycle in the physical condition of the surface and mixed layers as far as the seasonal cycle is significant, relating to meteorological forcing. e) Characterize of changes in water masses, mainly in the North Atlantic Central Water (NACW), Intermediate Water (AAIW), Mediterranean Water (MW) and bottom water of the Canary basin, studying their characteristics of temperature, salinity, nutrients and oxygen.