A Gyrostatic Low-Order Model for the El Ñino-Southern Oscillation

Alexander Gluhovsky

Complexity, 2017, vol. 2017, 1-4

Abstract:

The paper demonstrates that, similar to other important models of atmospheric phenomena, beginning with the celebrated Lorenz model of the Rayleigh-Bénard convection, the Vallis low-order model (LOM) of the El Ñino-Southern Oscillation admits a gyrostatic form and discusses how gyrostatic LOMs may offer a general framework for deriving effective physically sound models for atmospheric dynamics and time series analysis. Any such model has a quadratic integral of motion (interpreted as some form of energy), which eliminates unphysical behaviors that have often plagued atmospheric LOMs and paves way for developing Hamiltonian LOMs. Restricting LOMs to a gyrostatic form also helps to design LOMs of optimum size and provides a modular construction of LOMs using gyrostats as elementary building blocks.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:6176045

DOI: 10.1155/2017/6176045

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