Climate Response and Fluctuation Dissipation

1975/10/01 by C. E. Leith · 6 citations
Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics

paper · pdf · doi:10.1175/1520-0469(1975)032<2022:crafd>2.0.co;2

Abstract

The fluctuation-dissipation theorem of statistical mechanics, proved in this note for a system with two quadratic integrals of motion such as that of two-dimensional or geostrophic turbulence, relates, the mean response to impulsive external forcing of a dynamical system to its natural unforced variability. The utility of this theorem in providing an estimate of the response of climatic means to changing external influences is discussed.

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