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Intermediate models of intraseasonal and interannual waves in the tropics
Budin, G.R.; Davey, M.K. (1990). Intermediate models of intraseasonal and interannual waves in the tropics, in: Nihoul, J.C.J. (Ed.) Coupled ocean-atmosphere modeling: proceedings of the 21th International Liège Colloquium on Ocean Hydrodynamics, Liège, May 8-12, 1989. Journal of Marine Systems, 1(1-3): pp. 39-50
In: Nihoul, J.C.J. (Ed.) (1990). Coupled ocean-atmosphere modeling: proceedings of the 21th International Liège Colloquium on Ocean Hydrodynamics, Liège, May 8-12, 1989. Journal of Marine Systems, 1(1-3). Elsevier Scientific: Amsterdam. 313 pp., more
In: Journal of Marine Systems. Elsevier: Tokyo; Oxford; New York; Amsterdam. ISSN 0924-7963, more
Peer reviewed article  

Available in  Authors 
Document type: Conference paper

Keyword
    Marine

Authors  Top 
  • Budin, G.R.
  • Davey, M.K.

Abstract
    The main interannual signal in the tropics is the El Nino Southern Oscillation (ENSO) phenomenon, which is essentially driven by ocean-atmosphere interaction in the Pacific (and probably Indian Ocean) regions. This paper describes a coupled ocean-atmosphere-land model of intermediate complexity, with realistic tropical geometry. Land conditions control whether or not the model produces interannual variability in the Pacific; a result which emphasises the importance of the "maritime continent" region in affecting tropical variability. Active interannual variability is confined to the Pacific region, with eastward propagation of coupled modes that are regenerated in the western Pacific at regular intervals. Additional atmospheric "noise" in the 9 to 180 day range, and an annual cycle in land heating, did not disturb this regular behaviour.

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