- A31D-2095: A Nonlocal, Pattern-aware Response and Feedback Framework for Global Climate Response
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Board 2095‚ Hall EFG (Poster Hall)NOLA CC
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Jian Lu, Ocean University of China (First Author, Presenting Author)
Parvathi Madathil Kooloth, University of Wisconsin Madison
Yi Huang, McGill University
Derek DeSantis, Los Alamos National Laboratory
Yiling Huo, Pacific Northwest National Laboratory
Fukai Liu, Ocean University of China
Zaiyu Wang, Ocean University of China
Hailong Wang, Pacific Northwest National Laboratory
Climate sensitivity and feedbacks have traditionally been examined as a zero-dimensional problem, neglecting the crucial patterns of response and forcing. This limitation has long hindered the acquisition of robust, patterned climate information essential for informed decision-making. In this study, we strive to develop an innovative pattern-aware feedback framework by solving an inverse problem in a finite-dimensional space using a data-driven, optimization approach. The resultant reduced-order representation of the original system not only affords a feedback framework to quantify the patterns of the climate response but also reveals the most excitable—and thus most robust—modes of the climate system. The predictive power exhibited by the reduced-order model shows promise for optimizing climate forcing for certain research applications.
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