Data/hora: 16/06/2024 10:25:32

Provedor de dados: | 20
País: | Belgium
Título: | Reversing Bottom Circulation in the Somali Basin
Autores: | Molinari, R.L.; Beal, L.M.; Chereskin, T.K.; Robbins, P.E.
Data: | 2000-08-15
Ano: | 2000
Palavras-chave: | Hydrographic data.
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.
Tipo: | Journal Contribution
Idioma: | Inglês

Identificador:

Geophysical Research Letters, 27(16), p. 2565-2568

0094-8276

http://hdl.handle.net/1834/555

Formato:

245481 bytes

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