Solitary Rossby Waves in the Lower Tropical TroposphereReport as inadecuate




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ISRN Atmospheric SciencesVolume20132013, Article ID124965, 8 pages

Research Article

Department of Physics, Faculty of Science, University of Douala, P.O. Box 24157, Douala, Cameroon

Laboratory for Environmental Modelling and Atmospheric Physics, Department of Physics, University of Yaounde 1, Yaound, Cameroon

Received 27 February 2013; Accepted 8 May 2013

Academic Editors: L.Ahrens, M. N.Lorenzo, and R.Singh

Copyright 2013 Andre Lenouo and Francois Kamga Nkankam. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Weakly nonlinear approximation is used to study the theoretical comportment of large-scale disturbances around the intertropical midtropospheric jet. We show here that the Korteweg de Vries KdV theory is appropriated to describe the structure of the streamlines around the African easterly jet AEJ region. The introduction of the additional velocity of the soliton C1 permits to search the stage where the configuration of the wave structures is going to emerge out of specified initial conditions and this is the direct and inverse cascade method. It was also shown that the configurations of disturbances can be influenced by this parameter so that we can look if the disturbances are in the control or not of their dispersive effects. This permits to explain the evolution of initial conditions of the Tropical Storm TS Debby over West Africa from 20 to 24 August 2006.





Author: Andre Lenouoand Francois Kamga Nkankam

Source: https://www.hindawi.com/



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