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The main objective of the Idrissi-2016 recovery cruise is to recovery the 10 Ocean Bottom Seismometers and Hydrophones (OBS/H) deployed in the ocean floor during the oceanographic mission Idrissi-2016 accomplished on September 2016. The OBS will have been acquiring earthquake data occurring in the area during 3 months under the sea. Seismic data will determine the shallow and deep crustal structure and plate geometry of the convergent system giving rise to earthquakes as the Mw 6.3 occurred on January 25th 2016, specially along the Al Idrissi fault, possibly the responsible of the geological hazards that threaten the region. In addition, the data acquired will allow improving our knowledge on the tectonics, faults parameters and landslides to define the most significant geological hazards, including large earthquakes and rarely tsunamis. Together with the OBS/H recovery, a detailed bathymetry survey of the Al Idrissi fault will be performed along the fault using hull-mounted echosounders on the vessel.
The goals of this survey are framed within the educational activity of the Faculty of Marine Sciences ULPGC to give the possibility of a complete oceanographic study (Physical , Chemical , Biological and Geological Survey ) in the south and north-east of Gran Canaria students of Degree, Bachelor and Master , the convergence zone between the area and the trail of the island and the presence of permanent rotation south of it. Thus this survey will contribute to a comprehensive training for students in oceanographic study of an oceanic region may Determine the structure of water bodies, the effects of convergence and divergence to the passage of the Canary Current across the channels between islands, mass transport , and nutrients. Determine the distribution of chemical species , including oxygen and carbon dioxide system and quantify the transport of CO2 in the atmosphere-ocean study area , the effect of micro and mesoscale phenomena in their distribution. To characterize the effect of the wake , turns and other mesoscale structures in the distribution of species of phytoplankton and zooplankton.
The main objective is that students of MIOUCA become familiar with some of the techniques that can be used aboard a research vessel. To do this, aboard the "B / O Angeles Alvariño" of the Spanish Institute of Oceanography (IEO), students will perform a series of activities that will enable the characterization of the water column and seabed, from a point of view multidisciplinary and integrative (biological, physical, chemical and geological), along two radial one perpendicular to the Cape Trafalgar (fig. 1) and another perpendicular to the Guadalquivir River (Fig. 1) with a total of seven hydrographic stations for the study of the water column (Fig. 1) and two filling stations witnessed the sedimentary column in the River Guadalquivir transect (Fig. 1) .In addition be made physiography studies multibeam seabed probe. To obtain the information necessary to perform this study different sampling techniques will be used, and data acquisition and analysis, and ship with their own computers. In this way the campaign will contribute to a comprehensive education of students in the multidisciplinary study of an oceanic region, with the participation of teachers in different areas of knowledge.
Main targets: · ESTOC Observatory service - FixO3. · ESTOC time-series - Winter sampling. · Coastal observatory sampling. · Time Serie for environmental control of the PLOCAN test bed.
ROV inspection of the seafloor from the continetnal shelf to depths in excess of 1500 m, with special attention to submarine canyons. Complementary CTD castts, multibeam and sub-bottom profiler acquisition. Occasional SVPs.
The main objective of Vulcano-II project "Physico-chemical, biological and geological study of an underwater volcano in a degassing stage: island of El Hierro", is assess the degree of damage and recovery on the marine ecosystem of the volcano submarine of the island of El Hierro. To do this, it held the monitoring of the physico-chemical, biological and geological properties of the submarine process of the island of El Hierro and other areas of volcanic interest, giving continuity to the first and only time series data of a multidisciplinary monogenetic submarine volcano in Spanish waters. 1 .- Study of the spatio-temporal variability of physical, chemical and biogeochemical. 2. Evaluation of the impact of the eruption process of trophic lower levels. 3. physiographic, morphological and structural characterization of the seabed associated emissions and adjacent offshore areas.
The leg 1 of the NUREIEV 3 oceanographic cruise took place from 22 to 30 April 2016. The area of work has located on the continental margin of the SE of Iberian Peninsula, off the coast of Murcia and Almeria, with reference coordinates from 36º20'N to 37º36'N and 2º40'W to 0º40'W. The tasks performed consisted of: • Bathymetric mapping with multibeam echosounder for seabed mapping, from inner shelf to upper slope (50 to 1500 m depth). • Geophysical works with TOPAS, very high resolution seismic profiles, to characterize the sedimentary cover of the study area. • Recovery of 5 mooring lines, instrumented for the continuous monitoring of the hydrological (water masses) and sediment (particle fluxes) dynamics from the last cruise in September 2015. Each mooring line is composed by one current meter for measuring temperature, turbidity, velocity and direction of currents and one sediment trap for sampling sinking particles. In addition, each mooring is equipped with an acoustic release for recovery and with suitable buoyancy. Monitoring with instrumented mooring lines has covered an annual cycle, in two phases of 6 months each one. • CTD profiling and water sampling. Profiles have been made in each of the submarine canyons monitored for measuring physical and chemical variables of water column (temperature, salinity, turbidity, oxygen concentration and chlorophyll) and calibration of instruments of mooring lines. • Performing surface sampling of floating microplastics by neuston net. • Sampling of surface sediments by multicorer.
The main objective of the project "VULcanología CAnaria submariNA, VULCANA", is assess the degree of damage and recovery on the marine ecosystem of the volcano submarine of the island of El Hierro, making it extensible to any other region sensitive to underwater volcanic activity in the archipelago. To do this, he held the monitoring of the physico-chemical, biological and geological properties of the submarine process of the island of El Hierro and other areas of volcanic interest, giving continuity to the first and only time series data of a multidisciplinary monogenetic submarine volcano in Spanish waters. 1 .- Study of the spatio-temporal variability of physical, chemical and biogeochemical. 2. Evaluation of the impact of the eruption process of trophic lower levels. 3. physiographic, morphological and structural characterization of the seabed associated emissions and adjacent offshore areas.