Variable Coefficient KdV Equation and the Analytical Diagnoses of a Dipole Blocking Life Cycle

Chin. Phys. Lett.

2006, Vol. 23

Issue (4): 887-890 DOI:

Original Articles

Variable Coefficient KdV Equation and the Analytical Diagnoses of a Dipole Blocking Life Cycle

TANG Xiao-Yan^1,2;HUANG Fei^1,2,3;LOU Sen-Yue^1,2

¹Department of Physics, Shanghai Jiao Tong University, Shanghai 200030 ²Center of Nonlinear Science, Ningbo University, Ningbo 315211 ³Department of Marine Meteorology, Ocean University of China, Qingdao 266003

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TANG Xiao-Yan, HUANG Fei, LOU Sen-Yue 2006 Chin. Phys. Lett. 23 887-890

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Abstract A variable coefficient Korteweg de Vries (VCKdV) system is derived by considering the time-dependent basic flow and boundary conditions from the well-known Euler equation with an earth rotation term. The analytical solution obtained from the VCKdV equation can be successfully used to explain fruitful phenomena in fluid and other physical fields, for instance, the atmospheric blocking phenomena. In particular, a diploe blocking case happened during 9 April 1973 to 18 April 1973 read out from the National Center for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data is well described by the analytical solution.

Keywords: 47.35.+i 47.32.-y 92.60.Dj 02.30.Ik 02.30.Jr

Published: 01 April 2006

PACS:	47.35.+i
	47.32.-y	(Vortex dynamics; rotating fluids)
	92.60.Dj
	02.30.Ik	(Integrable systems)
	02.30.Jr	(Partial differential equations)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I4/0887

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