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Keyword
acoustic tracking systems
62 record(s)
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In this cruise the mooring lines deployed in April 2012 have been recovered. In addition communication between acoustic receivers and a deck unit has been tested. This is part of the international program OTN ("Ocean Tracking Network," in Spanish "Red de Seguimiento Oceánico"). This work is preparatory for the deployment of a curtain listening across the Strait of Gibraltar.
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Se pretende continuar con las labores acometidas en la Primera Campaña realizada en el 2015 en lo referido al conocimiento del pecio: - Extensión del pecio. - Estado de conservación de los materiales. - Dispersión de los restos del buque español. - Continuar con el “mapeado” arqueológico. - Avanzar en la interpretación y análisis del pecio. - Extracción de los siguientes elementos, basada en motivaciones de carácter histórico‐culturales, museográficas, de conservación, archivísticas y jurídicas: a.‐ Culebrina de bronce del siglo XVI. Peso aproximado: entre 1.300 y 1.800 Kg. b.‐ Un “cañón pedrero” u “obús de a tres”, de bronce. Pareja del extraído en 2015. c.‐ Elementos de la vajilla de plata estropeada (plata de chafalonía) que figura en la documentación del AGI. d.‐ También se extraerán algunos elementos que en el 2015 se filmaron y cuya función desconocemos. e.‐ Dependiendo de las circunstancias de la Campaña, es posible que se proceda a extraer la segunda culebrina de la Mercedes.
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Make the underwater archaeological chart of the coast of Murcia.
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The main objevtive of the FAUCES 1 bis is the identification of the rececent morphosedimentary feaures of two submarine canyons in the Albroan sea , Guadiaro and Garrucha. To achive this general objetive, we adquire data with the TOPAS system and the mulbeam bathimetry.
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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.
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ROV evaluation to analyze fishing pressure on benthic habitat
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Direct visual observation survey in order to improve the knowledge of marine bottoms in the Menorca Channel and Emile Baudot seamount. For that, the specific objectives are: 1. Improvement of the scientific knowledge for the physical, environmental and biological characterization of areas known to present high diversity of juveniles of European spiny lobster in the Menorca channel and 2. Start the biological characterization of benthic habitats in circalitoral and batyal bottoms in the Emile Baudot seamount.
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Long term time series monitoring in 3 standard sections: Santander, Gijón and Cudillero to study the hydrographical and biological variability and tendencies in the water masses, the timing of any pronounced shift observed on them as well as the search of their causes and their biogeochemical consequences.
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Multidisciplinary cruise: Sampling physical and chemical variables that will: - Study thermohaline characteristics, kinematics, dynamics and biology of the eastern half of the Gulf of Cadiz - Establish relationships between climate, hydrology and hydrodynamics and the early stages of development of the species associated with the platform. - Provide data to feed global and regional numerical models. - Generate and distribute a database for the evolution of the marine climate and its resources.
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Analyze and evaluate the environmental impact on the coastal area of Gibraltar caused by the dumping of concrete and rock blocks into the sea.