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Start Over Descriptor "West Indian Ocean" Topic agulhas current
4 results on '"West Indian Ocean"'

1. Proceedings of the International Ocean Discovery Program; South African climates (Agulhas LGM density profile); Expedition 361 of the riserless drilling platform, Port Louis, Mauritius, to Cape Town, South Africa; Sites U1474-U1479, 30 January-31 March 2016

Subjects
Historical Geology and Paleoecology, Agulhas Current, Algae, Atlantic Ocean, Biostratigraphy, Cenozoic, Cores, Correlation, Diatoms, Expedition 361, Foraminifera, Geochemistry, Hydrochemistry, Indian Ocean, International Ocean Discovery Program, Invertebrata, Lithostratigraphy, Magnetostratigraphy, Marine sediments, Microfossils, Mozambique Channel, Nannofossils, Neogene, Paleo-oceanography, Paleoclimatology, Physical properties, Plantae, Pore water, Protista, Quaternary, Sediments, South Atlantic, Southeast Atlantic, Tertiary, West Indian Ocean, 12 Stratigraphy
Published
2017

2. Proceedings of the International Ocean Discovery Program; South African climates (Agulhas LGM density profile); Expedition 361 of the riserless drilling platform, Port Louis, Mauritius, to Cape Town, South Africa; Sites U1474-U1479, 30 January-31 March 2016

Author

Hall, Ian R., Hemming, Sidney R., Levay, Leah J., Barker, Stephen R., Berke, Melissa A., Luna Brentegani, Thibaut Caley, Alejandra Cartagena-Sierra, Charles, Christopher D., Coenen, Jason J., Crespin, Julien G., Franzese, Allison M., Jens Gruetzner, Han Xibin, Hines, Sophia K. V., Jimenez Espejo, Francisco J., Janna Just, Andreas Koutsodendris, Kaoru Kubota, Nambiyathodi Lathika, Norris, Richard D., Thiago Pereira dos Santos, Rebecca Robinson, Rolison, John M., Simon, Margit H., Deborah Tangunan, Jeroen van der Lubbe, Masako Yamane, Zhang Hucai, and Geology and Geochemistry

Subjects
Agulhas Current, Algae, Atlantic Ocean, Biostratigraphy, Cenozoic, Cores, Correlation, Diatoms, Expedition 361, Foraminifera, Geochemistry, Hydrochemistry, Indian Ocean, International Ocean Discovery Program, Invertebrata, Lithostratigraphy, Magnetostratigraphy, Marine sediments, Microfossils, Mozambique Channel, Nannofossils, Neogene, Paleo-oceanography, Paleoclimatology, Physical properties, Plantae, Pore water, Protista, Quaternary, Sediments, South Atlantic, Southeast Atlantic, Tertiary, West Indian Ocean, 12 Stratigraphy, Historical Geology and Paleoecology
Published
2017

3. Proceedings of the International Ocean Discovery Program; South African climates (Agulhas LGM density profile); Expedition 361 of the riserless drilling platform, Port Louis, Mauritius, to Cape Town, South Africa; Sites U1474-U1479, 30 January-31 March 2016

Author

Hall, Ian R., Hemming, Sidney R., LeVay, Leah J., Barker, Stephen R., Berke, Melissa A., Brentegani, Luna, Caley, Thibaut, Cartagena-Sierra, Alejandra, Charles, Christopher D., Coenen, Jason J., Crespin, Julien G., Franzese, Allison M., Gruetzner, Jens, Xibin, Han, Hines, Sophia K. V., Jimenez Espejo, Francisco J., Just, Janna, Koutsodendris, Andreas, Kubota, Kaoru, Lathika, Nambiyathodi, Norris, Richard D., Pereira dos Santos, Thiago, Robinson, Rebecca, Rolison, John M., Simon, Margit H., Tangunan, Deborah, Yamane, Masako, Hucai, Zhang, and van der Lubbe, H. J. L.

Subjects
Historical Geology and Paleoecology, Agulhas Current, Algae, Atlantic Ocean, Biostratigraphy, Cenozoic, Cores, Correlation, Diatoms, Expedition 361, Foraminifera, Geochemistry, Hydrochemistry, Indian Ocean, International Ocean Discovery Program, Invertebrata, Lithostratigraphy, Magnetostratigraphy, Marine sediments, Microfossils, Mozambique Channel, Nannofossils, Neogene, Paleo-oceanography, Paleoclimatology, Physical properties, Plantae, Pore water, Protista, Quaternary, Sediments, South Atlantic, Southeast Atlantic, Tertiary, West Indian Ocean, 12 Stratigraphy, Historical Geology and Paleoecology, 12 Stratigraphy
Published
2017

4. Madagascar: A pacemaker for the Agulhas Current system?

Author

P. Florenchie, Johann R. E. Lutjeharms, Pierrick Penven, Department of Oceanography, and Faculty of Science

Subjects
Modèle, Tourbillon, West Indian Ocean, Primitive equation, Mozambique Channel, Océan Indien, Western boundary current, channels, Agulhas current, models, Afrique, Equation primitive, Indian Ocean Islands, Primitive equations, Continuum, Madagascar, Action vent, Anomalie, West indian, Indian Ocean, Mozambique, Fréquence, East Africa, Boundary current, Indian ocean, Geophysics, Oceanography, Eddy, frequency, Africa, Chenal, anomalies, General Earth and Planetary Sciences, Wind effect, Vortex, Geology
Abstract

[1] Western boundary currents are driven by zonally integrated wind-stress curl over the width of subtropical basins. This cross-basin integration is interrupted in the South Indian Ocean where Madagascar presents a formidable barrier. Nevertheless, a western boundary current has been thought to exist in the Mozambique Channel, the Mozambique Current. Recent observations have however shown that no such current exists and that the flow in the channel instead consists of a train of eddies. Is this western boundary anomaly due to the presence of Madagascar? We have used a primitive equations model to investigate the flow in the South West Indian Ocean as if there were no Madagascar. We show that a normal, continuous western boundary current is then formed that constitutes a continuum with the Agulhas Current. The presence of Madagascar is shown to affect the frequency of inter-ocean exchange events south of Africa.

Published
2006
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