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ABSTRACT

Bhattacharya et al. 1982

Bhattacharya, K., M. Ghil, and I.L. Vulis, 1982: Internal variability of an energy-balance model with delayed albedo effects. J. Atmos. Sci., 39, 1747-1773, doi:10.1175/1520-0469(1982)039<1747:IVOAEB>2.0.CO;2.

We present a simple, deterministic energy-balance model with possible relevance to climatic variations on the time scale of glaciation cycles. The lag between ice-sheet extent and zonally-averaged temperature is modeled as a time delay in the ice-albedo feedback. The model exhibits self-sustained oscillations which are quasi-periodic or aperiodic in character. Fourier spectra of solutions have the features of many paleo-climatic records: peaks of variable height and width superimposed on a continuous, red-noise type background.

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