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Registros recuperados: 23 | |
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Vangriesheim, Annick; Bournot-marec, Claudie; Fontan, Anne-claire. |
During the JGOFS-France/Eumeli programme, biogeochemical processes governing particle fluxes throughout the water column were studied in the Eastern Subtropical North Atlantic Ocean. From February 1991 to December 1992, three consecutive sets of sediment trap moorings were installed at two sites: the mesotrophic site: similar to18degrees 30 N, 21degrees 00 W, and the oligotrophic site: similar to21degrees 00 N, 31degrees 00 W. Currents were measured at each sediment trap level (250, 1000 and 2500 m) in order to understand better the dynamics in this area and its influence on the particle fluxes through the water column and to monitor the current speed conditions during the particle trapping. The results of these current measurements are presented here,... |
Tipo: Text |
Palavras-chave: Rossby waves; Current variability; Cape Verde frontal zone; Eastern subtropical; North Atlantic ocean; Ondes de Rossby; Courant variabilité; Cap Vert; Subtropical Est; Océan Atlantique Nord. |
Ano: 2003 |
URL: http://archimer.ifremer.fr/doc/2003/publication-374.pdf |
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Khripounoff, Alexis; Vangriesheim, Annick; Crassous, Philippe; Segonzac, Michel; Lafon, V; Waren, A. |
In order to provide information on the production and the distribution of hydrothermal particulate and biological material produced by deep-sea hydrothermal vents, three moorings with sediment traps and currentmeters were deployed for one year in the Azores Triple Junction region. Two moorings were positioned close to two hydrothermal vent fields at the Mid-Atlantic Ridge (Rainbow, 36 degrees 14'N, 33 degrees 54'W, 2250 in depth and Lucky Strike 37 degrees 17'N, 32 degrees 17'W, 1600 in depth). A third was moored out of the influence of the Rainbow vents representing the reference of the pelagic flux in this area. At the Rainbow field, particulate flux (range 341-634 g m(-2)d(-1)) showed a high temporal variation controlled essentially by the current... |
Tipo: Text |
Palavras-chave: Bivalve reproduction; Bivalve larvae; Particle composition; Particle flux; Currents; Deep sea hydrothermal vents. |
Ano: 2008 |
URL: http://archimer.ifremer.fr/doc/2008/publication-4059.pdf |
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Registros recuperados: 23 | |
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