| Registro completo |
| Provedor de dados: |
20
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| País: |
Belgium
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| Título: |
Reversing Bottom Circulation in the Somali Basin
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| Autores: |
Molinari, R.L.
Beal, L.M.
Chereskin, T.K.
Robbins, P.E.
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| Data: |
2000-08-15
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| Ano: |
2000
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| Palavras-chave: |
Hydrographic data
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| Resumo: |
Two sets of direct velocity measurements were taken, concurrent with hydrographic data, in the bottom waters of the northern Somali Basin in June and September, 1995. The velocities indicate a temporal flow reversal in the bottom circulation, which is consistent with the changing density structure between the sections. In June, there is evidence of a southward Deep Western Boundary Current with a transport of 5 Sv. By September, flow close to the boundary is northward, with a transport of 2.6 Sv. Furthermore, the deep density gradient across the interior of the Somali Basin also changes between occupations, implying a cyclonic circulation in June and anticyclonic flow in September. Rossby wave activity is high in this region during the southwest monsoon, yet there is also evidence of a strong barotropic component to the Great Whirl in September, which may cause the reversal in the abyssal circulation.
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| Tipo: |
Journal Contribution
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| Idioma: |
Inglês
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| Identificador: |
Geophysical Research Letters, 27(16), p. 2565-2568
0094-8276
http://hdl.handle.net/1834/555
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| Formato: |
245481 bytes
application/pdf
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