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Applying engineering feedback analysis tools to climate dynamics

MacMynowski, Douglas G. and Tziperman, Eli (2008) Applying engineering feedback analysis tools to climate dynamics. In: 2008 American Control Conference. Proceedings of the American Control Conference. IEEE , Piscataway, NJ, pp. 4179-4184. ISBN 978-1-4244-2078-0.

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The application of feedback analysis tools from engineering control theory to problems in climate dynamics is discussed through two examples. First, the feedback coupling between the thermohaline circulation and wind-driven circulation in the North Atlantic Ocean is analyzed with a relatively simple model, in order to better understand the coupled system dynamics. The simulation behavior is compared with analysis using root locus (in the linear regime) and describing functions (to predict limit cycle amplitude). The second example does not directly involve feedback, but rather uses simulation-based identification of low-order dynamics to understand parameter sensitivity in a model of El Nino/Southern Oscillation dynamics. The eigenvalue and eigenvector sensitivity can be used both to better understand physics and to tune more complex models. Finally, additional applications are discussed where control tools may be relevant to understand existing feedbacks in the climate system, or even to introduce new ones.

Item Type:Book Section
Related URLs:
URLURL TypeDescription DOIArticle
MacMynowski, Douglas G.0000-0003-1987-9417
Tziperman, Eli0000-0002-7998-5775
Additional Information:© 2008 AACC. This work was supported by the James McDonnell Foundation.
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James McDonnell FoundationUNSPECIFIED
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INSPEC Accession Number10060662
Series Name:Proceedings of the American Control Conference
Record Number:CaltechAUTHORS:20100629-095101747
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:18845
Deposited By: Tony Diaz
Deposited On:14 Jul 2010 17:13
Last Modified:08 Nov 2021 23:47

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