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Multi-objective optimization of GENIE earth system models

By Andrew R. Price, Richard J. Myerscough, Ivan I. Voutchkov, Robert Marsh and Simon J. Cox

Abstract

The tuning of parameters in climate models is essential to provide reliable long-term forecasts of Earth system behaviour. We apply a multi-objective optimization algorithm to the problem of parameter estimation in climate models. This optimization process involves the iterative evaluation of response surface models (RSMs), followed by the execution of multiple Earth system simulations. These computations require an infrastructure that provides high-performance computing for building and searching the RSMs and high-throughput computing for the concurrent evaluation of a large number of models. Grid computing technology is therefore essential to make this algorithm practical for members of the GENIE project

Topics: QA75, QC
Year: 2009
OAI identifier: oai:eprints.soton.ac.uk:65094
Provided by: e-Prints Soton

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