On the role of integral feedbacks in stochastic climate models

Using a stochastic approach with zero-dimensional energy-balance models, we consider the problem of periodic climate changes and the influence of integral feedbacks on climate oscillations. Based on the resulting linear integral–differential stochastic equation, we calculate the spectrum of fluctuat...

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Bibliographic Details
Published in:Izvestiya. Atmospheric and oceanic physics 2017, Vol.53 (1), p.12-18
Main Author: Petrov, D. A.
Format: Article
Language:English
Subjects:
Air temperature
Climate change
Climate models
Climatology
Earth and Environmental Science
Earth Sciences
Geophysics/Geodesy
Marine
Mathematical models
Stochastic models
Temperature
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Summary:Using a stochastic approach with zero-dimensional energy-balance models, we consider the problem of periodic climate changes and the influence of integral feedbacks on climate oscillations. Based on the resulting linear integral–differential stochastic equation, we calculate the spectrum of fluctuations of average surface-air temperature and determine its statistical properties. We analyze the influence of proper cycles of inertial units and “slow” nonstationarity on the fluctuation spectrum.
ISSN:0001-4338
1555-628X
DOI:10.1134/S0001433816060128