Projects per year
Abstract
We describe a framework for the simultaneous estimation of model parameters in a partial differential equation using sparse observations. Markov Chain Monte Carlo sampling is used in a Bayesian framework to estimate posterior probability distributions for each parameter. We describe the necessary components of this approach and its broad potential for application in models of unsteady processes. The framework is applied to three case studies, of increasing complexity, from the field of cohesive sediment transport. We demonstrate that the framework can be used to recover posterior distributions for all parameters of interest and the results agree well with independent estimates (where available). We also demonstrate how the framework can be used to compare different model parameterizations and provide information on the covariance between model parameters.
Original language | English |
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Article number | e2022MS003500 |
Journal | Journal of Advances in Modeling Earth Systems |
Volume | 15 |
Issue number | 6 |
DOIs | |
Publication status | Published - Jun 2023 |
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Dive into the research topics of 'In Situ Estimation of Erosion Model Parameters Using an Advection-Diffusion Model and Bayesian Inversion'. Together they form a unique fingerprint.Projects
- 2 Finished
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The role of internal wave-driven near-bed turbulent dynamics in coastal ocean sediment mobilisation
Ivey, G. (Investigator 01), Jones, N. (Investigator 02), Fringer, O. (Investigator 03), Nash, J. (Investigator 04) & Kelly, S. (Investigator 05)
ARC Australian Research Council
1/01/14 → 30/06/17
Project: Research
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ARC ITRH for Offshore Floating Facilities
Watson, P. (Investigator 01), Cassidy, M. (Investigator 02), Efthymiou, M. (Investigator 03), Ivey, G. (Investigator 04), Jones, N. (Investigator 05), Cheng, L. (Investigator 06), Draper, S. (Investigator 07), Zhao, M. (Investigator 08), Randolph, M. (Investigator 09), Gaudin, C. (Investigator 10), O'Loughlin, C. (Investigator 11), Hodkiewicz, M. (Investigator 12), Cripps, E. (Investigator 13), Zhao, W. (Investigator 14), Wolgamot, H. (Investigator 15), White, D. (Investigator 16), Doherty, J. (Investigator 17), Taylor, P. (Investigator 18), Stanier, S. (Investigator 19) & Gourvenec, S. (Investigator 20)
ARC Australian Research Council
1/01/14 → 30/12/22
Project: Research