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| Brossier, F; Monier, L; Delecluse, P. |
| Wave-Like oscillations over a period of 30 days, with a wavelength of 1 000 to 1 200 km, have been observed in the Pacific Ocean between 2 degrees N and 4 degrees N. Eddies with the same time-space scale are present in the sea-level oscillations observed by satellites. A numerical modelling of these long equatorial waves is presented in this paper. Fluctuations of currents and density around given mean fields are computed by a cyclic perturbation model. The oceanic response has to fit given sea-level oscillations. Three sea-level data sets have been considered : one is deduced from Geosat altimetric measurements; the other two are analytically constructed, with random time-dependence. Three mean circulations have also been studied : no mean flow, and mean... |
| Tipo: Text |
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| Ano: 1994 |
URL: http://archimer.ifremer.fr/doc/00099/21031/18657.pdf |
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