Surrogate Neural Networks to Estimate Parametric Sensitivity of Ocean Models

Yixuan Sun, Elizabeth Cucuzzella, Steven Brus, Sri Hari Krishna Narayanan, Balu Nadiga +3 more
11/10/2023
physics.ao-phcs.LG

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Abstract

Modeling is crucial to understanding the effect of greenhouse gases, warming, and ice sheet melting on the ocean. At the same time, ocean processes affect phenomena such as hurricanes and droughts. Parameters in the models that cannot be physically measured have a significant effect on the model output. For an idealized ocean model, we generated perturbed parameter ensemble data and trained surrogate neural network models. The neural surrogates accurately predicted the one-step forward dynamics, of which we then computed the parametric sensitivity.

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Cite this paper

@article{sun2023surrogate,
  title  = {Surrogate Neural Networks to Estimate Parametric Sensitivity of Ocean Models},
  author = {Yixuan Sun and Elizabeth Cucuzzella and Steven Brus and Sri Hari Krishna Narayanan and Balu Nadiga and Luke Van Roekel and Jan Hückelheim and Sandeep Madireddy},
  year   = {2023},
  eprint = {2311.08421},
  archivePrefix = {arXiv},
  url    = {http://arxiv.org/abs/2311.08421v1}
}

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