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An Unstructured Numerical Model to Study Wind-Driven Circulation Patterns in a Managed Coastal Mediterranean Wetland: The Vaccares Lagoon System 5
Boutron, Olivier; Bertrand, Olivier; Fiandrino, Annie; Hoehener, Patrick; Sandoz, Alain; Cherain, Yves; Coulet, Eric; Chauvelon, Philippe.
The spatiotemporal structure of wind-driven circulation patterns and associated water exchanges can drive important bio-hydrodynamic interactions in shallow lagoons. The Vaccares lagoon system is a complex shallow hydrosystem located in the central part of the Rhone Delta (France). It is internationally recognized as part of a biosphere reserve within the framework of UNESCO's Man and Biosphere Programme, and as a RAMSAR site. Due to its frequent occurrence in this area, and considering the shallowness of the Vaccares lagoon system, wind is assumed to play a major role in the hydrodynamic and biological processes. In this study, a hydrodynamic model was developed to investigate the structure of wind-driven circulations in the Vaccares lagoon system, to...
Tipo: Text Palavras-chave: Coastal lagoon; Mathematical model; Hydrodynamics; Calibration; Validation; Wind-driven circulation.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00303/41382/40558.pdf
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Les courants et la circulation des eaux sur le plateau continental sénégalais 20
Diouf, Sidiya.
Ce travail porte prinipalement sur les courants marins et en particuliers sur la circulation dans la zone côtière sénégalaise et les masses d'eaux qu'on y rencontre. Nous avons donné quelques notions générales sur les courant marins. Au large de la côte sénégalaise, il y a deux grandes circulations: (1) le courant nord-équatorial qui prend naissance vers les îles du Cap-Vert et qui transporte les eaux froides du courant dit des Canaries vers l'ouest; (2) le contre-courant équatorial transportrant vers l'est les eaux chaudes et salées formées sur le bord sud du courant nord-équatorial. Prés de la côte, les courants de surface ont une forte variabilité due à la succession du courant des Canaries et du contre-courant équatorial. Les courants de marée sont...
Tipo: Theses and Dissertations Palavras-chave: Coastal zone; Cutting underwater; Swell; Wave forces; Ocean currents; Current data; Ocean currents; Wind-driven circulation; Upwelling; Cold water masses; Tropical oceanography; Deep water; Ocean currents; Ocean currents; Http://aims.fao.org/aos/agrovoc/c_12883; Http://aims.fao.org/aos/agrovoc/c_12883.
Ano: 1993 URL: http://hdl.handle.net/1834/4073
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