Deep current measurements suggest long waves in the eastern equatorial pacific.
Science
; 193(4256): 883-5, 1976 Sep 03.
Article
em En
| MEDLINE
| ID: mdl-17753636
ABSTRACT
During the 1975 El Niño expedition an array of conventional and electric field type near-bottom current recorders was deployed at the equator 300 kilometers west of the Galápagos Islands. While hydrographic observations were indicating El Niño activity off the South American coast, the current meters recorded an oscillation with a 25-day period, a wavelength of about 1000 kilometers, and an amplitude of 0.04 meter per second propagating westward at approximately 0.5 meter per second. These characteristics agree with theoretical models of a first-mode baroclinic Rossby wave trapped at the equator.
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01-internacional
Base de dados:
MEDLINE
Tipo de estudo:
Prognostic_studies
Idioma:
En
Ano de publicação:
1976
Tipo de documento:
Article