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Regime Transitions and Heteroclinic Connections in a Barotropic Atmosphere
Publisher: American Meteorological Society
Abstract: By interpreting transitions between atmospheric flow regimes as a deterministic rather than a stochastic phenomenon, new insight is gained into the phase-space characteristics of these transitions. The identification of ...
Observed Nondiffusive Dynamics in Large-Scale Atmospheric Flow
Publisher: American Meteorological Society
Abstract: The dynamics of large-scale atmospheric flow is characterized by both noisy, diffusive behavior, stemming mainly from small-scale, high-frequency atmospheric processes and by more structured, nondiffusive aspects, coming ...
Strategies for Model Reduction: Comparing Different Optimal Bases
Publisher: American Meteorological Society
Abstract: Several different ways of constructing optimal bases for efficient dynamical modeling are compared: empirical orthogonal functions (EOFs), optimal persistence patterns (OPPs), and principal interaction patterns (PIPs). ...
A Mechanism for Atmospheric Regime Behavior
Publisher: American Meteorological Society
Abstract: Adopting the viewpoint that atmospheric flow regimes can be associated with steady states, this work investigates the hypothesis that regime transitions in deterministic atmosphere models are related to the existence of ...
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