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Keyword
Le Suroit
8 record(s)
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Acoustic measurements.
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Retrieving an array of moored current meters recording subtidal circulation on the ocean margins of the Bay of Biscay (Armorican and Aquitaine shelves and slopes). Related hydrological measurements taken. This falls under the ASPEX project.
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The main objective of the MOOSE-GE cruises is to observe the annual evolution of the Northwestern Mediterranean Sea in the context of the climate change and anthropogenic pressure in order to be able to detect and identify long-term environmental trend and anomalies of the marine ecosystem. The annual cruise focuses on moorings maintenance and hydrology, biogeochemistry and biology monitoring of the Northwestern Mediterranean basin. It aims to follow variability of water masses properties (LIW and WMDW) and biogeochemical and biological content related to these water masses. BILLION 32 cruise was part of this cruise too.
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The main objective of the MOOSE-GE cruises is to observe the annual evolution of the Northwestern Mediterranean Sea in the context of the climate change and anthropogenic pressure in order to be able to detect and identify long-term environmental trend and anomalies of the marine ecosystem. The annual cruise focuses on moorings maintenance and hydrology, biogeochemistry and biology monitoring of the Northwestern Mediterranean basin. It aims to follow variability of water masses properties (LIW and WMDW) and biogeochemical and biological content related to these water masses. BILLION 36 cruise was part of this cruise too.
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<p>Studying eddies related to water circulation in the Gulf of Lion. The LOPB and LOMIC labs will implement a technique never used before for coastal systems, i.e. tracking of a water mass using the chemically inert compound sulphur hexafluoride (SF6). After injecting the tracer from aboard RV Suroît, the substance's dissemination will be estimated thanks to real-time measurements performed on board. To monitor the eddy structure, RV Suroît will be accompanied by RV Tethys II. Several innovative devices or systems will be deployed simultaneously (measuring currents using Doppler acoustic profiler (with the moorings already in the zone since 2009 and the 2 vessels' shipboard current meters); Measuring surface currents using an array of HF radars installed onshore; several satellite-monitored drifting buoys, including a CARIOCA buoy which will continuously log the physical parameters and CO2 trends near the surface; autonomous underwater gliders fitted with various biogeochemical sensors; real-time satellite observation of surface temperature and phytoplankton concentrations; and operational numerical modelling. The measurements will be analyzed on board and will be used to locate the eddy's position in order to guide the vessels to the drifting research zone. The original aspect of LATEX is that it combines expertise in physical oceanography and marine biogeochemistry to try and penetrate the mystery of these mesoscale structures and particularly to assess the role they play in transfer of matter between the coastal zone and the open sea. The fate of organic matter will be closely observed during this monitoring of the drifting eddy structure to understand how the biogeochemical properties (quality of organic matter, stoichiometry of particulate matter, primary and bacterial production) evolve over time in this volume of water enclosed by physical processes.</p>
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Studying the role played by formation of deep water in the chemical composition and budgets of matter in the Mediterranean. Understanding the relationships between the way plankton food webs are organized and the hydrodynamic structures. The related project is MISTRALS - MerMEX.
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Studying the role played by formation of deep water in the chemical composition and budgets of matter in the Mediterranean. Understanding the relationships between the way plankton food webs are organized and the hydrodynamic structures. The related project is MISTRALS - MerMEX.
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The main objective of the MOOSE-GE cruises is to observe the annual evolution of the Northwestern Mediterranean Sea in the context of the climate change and anthropogenic pressure in order to be able to detect and identify long-term environmental trend and anomalies of the marine ecosystem. The annual cruise focuses on moorings maintenance and hydrology, biogeochemistry and biology monitoring of the Northwestern Mediterranean basin. It aims to follow variability of water masses properties (LIW and WMDW) and biogeochemical and biological content related to these water masses.