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Hydrographic and oceanographic service of the French navy
31 record(s)
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Beautemps-Beaupré cruise.
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SHOM cruise aboard the Pourquoi Pas?
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Transit.
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Transit.
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Transit.
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<p style="margin-left:0cm; margin-right:0cm">The Protevs Swot 2018 campaign aimed to explore the South Balearic zone in early spring to observe the small scales of the oceanic mixed layer using high-resolution sampling devices.</p> <p style="margin-left:0cm; margin-right:0cm">The area was chosen because it was positioned below the SWOT satellite's planned swath in its validation/calibration period. In this sense, it is a precursor experiment of experiments for the year 2022 and as such exploratory of the scales that will be observable by this newly designed altimetry satellite.</p> <p style="margin-left:0cm; margin-right:0cm">A particular focus was placed on an anticyclonic structure in the southern Balearic Islands that is systematically detectable by altimetry but which appears to be an artifact.</p> <p style="margin-left:0cm; margin-right:0cm">These samplings were combined with fine analysis of the surface content of small phytoplankton by flow cytometry to study the shaping of the marine landscape by frontal physical processes.</p>
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<p style="text-align:justify">The main scientific objectives of the cruises are threefold:</p> <ul> <li style="text-align: justify;">to asses the large scale circulation in the Western Basin, evaluating the water masses and the fluxes at different key point in the basin (The North Current, The East and West Corsica currents, the Balearic front, Algerian Basin). The final goal was numerical modelling assessment.</li> <li style="text-align: justify;">to identify and follow peculiar mesoscale structures such as surface eddies, modal weddies, submesoscale coherent vortices (SCV) meanders or filaments and explore the signature on the sea surface height (altimetry) and the acoustic impact (sound propagation).</li> <li style="text-align: justify;">to observe and interpret the submesoscale dynamics such ageostrophic stirring, symmetric instabilities, mixed layer instabilities, subduction and convection.</li> </ul> <p style="text-align:justify">The <strong>Protevs2015_leg1 </strong>campaign took place from the 8th to 28th of January 2015 on board of the RV <em>Pourquoi Pas?</em> in the north western mediterranean basin. It is focused on physical aspects (hydrology and dynamics). The main objective was the dynamics of the North current from its roots in the Ligurian Sea downstream to the Gulf of Lion. The surveys try to catch not only the meso-scale features but also the submesoscale associated to the the northern current or at least in its vicinity.</p> <p style="text-align:justify"> </p> <p style="text-align:justify"> </p>
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Hydrography and physical oceanography cruise for the French Navy's hydrographic and oceanographic service (SHOM).
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SHOM cruise between Brest and Vigo
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SHOM cruise