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Tytuł artykułu
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Abstrakty
The paper presents a 2-layer baroclinic model of the troposphere in geostrophic approximation that enables to obtain, after application of the Galerkin method, a fairly simple low-parametric dynamic system describing the phenomena of nonlinear interactions, bifurcations, blocking and auto-regulation in the atmosphere. It enables to take into consideration such basic factors molding the atmospheric dynamics like heat exchange with the surface, orography, vertical diversity of the zonal drift and hydrostatic stability. Conditions oforographic bifurcation of the model were investigated and confronted with the results obtained from a barotropic model. Impact of the zonal thermal diversity of the surface and the vertical diversity of the zonal drift of the troposphere on the orographic bifurcation was assessed. Oscillation character analysis was made in the dynamic system after Hopf bifurcation of the second kind.
Czasopismo
Rocznik
Tom
Strony
217--235
Opis fizyczny
Bibliogr. 9 poz., wykr.
Twórcy
autor
- Warsaw University, ICM, Pawińskiego 5a, 02-106 Warsaw, Poland
- AVIOMET Ltd. Miła 25/7, 01-033 Warsaw, Poland
autor
- Warsaw University, ICM, Pawińskiego 5a, 02-106 Warsaw, Poland
autor
- Military University of Technology, Kaliskiego 2, 00-908 Warsaw, Poland
Bibliografia
- 1. R. BROJEWSKI, A.F. GONCHARENKO, N.N. IVACHTCHENKO, D.M. SONECHKIN, B. JAKUBIAK, Low-frequency localization of planetary wave phases in H&QQ field of the Northern Hemisphere [in Russian], Russian Meteorology and Hydrology, 4, 25-30, 2003.
- 2. R. BROJEWSKI, Bifurcation of zonal flow in the atmosphere due to orographic factors dependence of the results of computation on the accuracy of modeling, J. Tech. Phys. 37, 1, 101-126, 1996.
- 3. R. BROJEWSKI, J. JASIŃSKI, About, the properties of attraction sets of two models of physics of the atmosphere, J. Tech. Phys., 44, 3, 235-252, 2003.
- 4. R. BROJEWSKI, A. F. GONCHARENKO, N. N. IVACHTCHENKO, D. M. SONECHKIN, Localization of planetary wave phases in H500 fieid of the Northern Hemisphere [in Russian], [in:[ Singularity of climate and methods of weather's phenomena prediction., 336, 179-191, Gidrornet, 2001.
- 5. B, JAKUBIAK, Instabilities in a large-scale atmospheric flow, V Internationa! Symposium on Military Meteorology, Proceedings p. 89-94, Poznari, September 29 - October 02, 2003.
- 6. S. MANABE, Climate Dynamics, Academic Press, Inc. 1985.
- 7. S. MANABE, Weather Dynamics, Academic Press, Inc. 1985.
- 8. PBP AVIOMET Ltd., Research report [in Polish], No. (1 and 2)/ICM/GR1503, 2002-2003.
- 9. PBP AVIOMET Ltd., Research report [in Polish], No. 3/ICM/GR1503, 2004 [in press).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BAT5-0004-0051