Author:
Srivastava Abhishekh,DelSole Timothy
Abstract
This paper shows that the most predictable components of internal variability in coupled atmosphere–ocean models are remarkably similar to the most predictable components of climate models without interactive ocean dynamics (i.e., models whose ocean is represented by a 50-m-deep slab ocean mixed layer with no interactive currents). Furthermore, a linear regression model derived solely from dynamical model output can skillfully predict observed anomalies in these components at least a year or two in advance, indicating that these model-derived components and associated linear dynamics are realistic. These results suggest that interactive ocean circulation is not essential for the existence of multiyear predictability previously identified in coupled models and observations.
Funder
National Science Foundation
National Aeronautics and Space Administration
DOC | National Oceanic and Atmospheric Administration
Publisher
Proceedings of the National Academy of Sciences
Cited by
23 articles.
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