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Portugal
25 record(s)
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<p>The MEDITGIB 2014 campaign is a physical oceanography campaign; it aims to study the Mediterranean outflow and its future in the Gulf of Cadiz. The aim is to qualify the Mediterranean waters at the entrance to the Strait upstream and monitor their transformation through the Strait to identify mixing zones along the way. The monitoring extends downstream into the Gulf of Cadiz where the Mediterranean outflow enters at the exit of the Strait: its extension and distribution in the Gulf are part of the problem of the campaign. In the direction entering the Mediterranean Sea, the aim is to follow the Atlantic surface waters and their future towards the Mediterranean Sea;</p> <p>One of the rapid dynamic oceanographic processes that potentially has a role in the Strait area as well as to the east is the internal waves; MeditGib is particularly interested in the generation zones identified in the Camarinal threshold area and the eastward propagation of the generated waves. To this end, several instrumental devices are moored (current meter, thermistor chain) throughout the campaign.</p>
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Overall objectives in the EU GO project are to assess the promising potential of seismic imaging for physical oceanography, in view of its combination of fine resolution and coverage unmatched by conventional oceanographic measurements. D318 was to provide the means of assessment by obtaining a unique, comprehensive, oceanographic and seismic dataset at the same time and place. Specific objectives for R.R.S. Discovery cruise 318a were to deploy four ADCP moorings, three adjacent temperature-logger moorings and STABLE, in an L-shape array in 750-1000m depth east of Portimao Canyon, carrying out adjacent CTD stations, deploy two OBH moorings, carry out seismic sections using the Ifremer high-frequency air-guns and streamer, accompanied by regular XBT and less frequent XCTD casts. In addition underway data was logged including ship-borne ADCP, surface temperature and salinity, meteorology, gravity and magnetics (to test new NERC magnetometers).
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Overall objectives in the EU GO project are to assess the promising potential of seismic imaging for physical oceanography, in view of its combination of fine resolution and coverage unmatched by conventional oceanographic measurements. D318 was to provide the means of assessment by obtaining a unique comprehensive oceanographic and seismic dataset at the same time and place. Specific objectives for R.R.S. Discovery cruise 318b were to (i) recover four ADCP moorings, three adjacent temperature-logger moorings and STABLE, from 750-1000m depth east of Portimao Canyon (ii) perform deep water CTD casts (iii) carry out seismic sections using the NMF supplied Bolt airgun and streamer, accompanied by regular XBT and less frequent XCTD casts, iv) work with MV Poseidon to test novel seismic data acquistion strategies. In addition underway data was logged including ship-borne ADCP, surface temperature and salinity, meteorology, gravity and magnetics (to test new NERC magnetometers).
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Transit.
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Hydrography and physical oceanography cruise for the French Navy's hydrographic and oceanographic service (SHOM).
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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
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Transit.
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SHOM cruise between Brest and Lisbon
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SHOM cruise between Lisbon and Toulon