Statistical calibration of complex computer models: A case study with the Lyon-Feder-Mobarry model of the magnetosphere

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• Sain, S (National Center for Atmospheric Research)
• Monday 05 September 2011, 16:00-16:30
• Seminar Room 1, Newton Institute.

If you have a question about this talk, please contact Mustapha Amrani.

Design and Analysis of Experiments

The magnetosphere is the region of the Earth’s magnetic field that forms a protective bubble which impedes the transfer of energy and momentum from solar wind plasma. The Lyon-Fedder-Mobarry model is used for coupled magnetosphere-ionosphere simulation and to model the eff ect of electron storms on the upper atmosphere. This model is generally run in a high-performance computing environment and the output represents a bivariate spatial-temporal field. In this work, we outline an approach for calibrating this computer model and quantifying the uncertainty in the calibration parameters that combines the computationally expensive but sparser high-resolution output with the lower fidelity but computationally inexpensive low-resolution output.

This talk is part of the Isaac Newton Institute Seminar Series series.

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