IMPROVING THE ACCURACY OF SURGE MODELS USING SUBGRID CORRECTIONS

Andrew Kennedy; Damrongsak Wirasaet; Diogo Bolster; J. Casey Dietrich

doi:10.9753/icce.v36.currents.46

No. 36 (2018), Swash, Nearshore Currents, and Long Waves

No. 36 (2018)

IMPROVING THE ACCURACY OF SURGE MODELS USING SUBGRID CORRECTIONS

Swash, Nearshore Currents, and Long Waves

Published 2018-12-30

Andrew Kennedy
Damrongsak Wirasaet
Diogo Bolster
J. Casey Dietrich

Andrew Kennedy

Damrongsak Wirasaet

Diogo Bolster

J. Casey Dietrich

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IMPROVING THE ACCURACY OF SURGE MODELS USING SUBGRID CORRECTIONS. (2018). Coastal Engineering Proceedings, 1(36), currents.46. https://doi.org/10.9753/icce.v36.currents.46

Abstract

Modern storm surge models to predict hurricane water levels have gone in two opposite directions: (1) Low resolution, fast, models that may be run thousands of times as a storm approaches land; and (2) High resolution, more accurate, models that are largely used for planning and hindcasts, and are too slow for real-time ensemble forecasts. Differences in predictions between the two types of models are particularly large over flooded ground, which is most important for human activities.

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References

Casulli (2009). A high-resolution wetting and drying algorithm for free-surface hydrodynamics, Int. J. Num. Meth. Fluids, WILEY, vol. 60, pp. 32-39.

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IMPROVING THE ACCURACY OF SURGE MODELS USING SUBGRID CORRECTIONS

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