Articles | Volume 16, issue 11
Development and technical paper
14 Jun 2023
Development and technical paper |  | 14 Jun 2023

Adding sea ice effects to a global operational model (NEMO v3.6) for forecasting total water level: approach and impact

Pengcheng Wang and Natacha B. Bernier

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Cited articles

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Bij de Vaate, I., Vasulkar, A., Slobbe, D., and Verlaan, M.: The Influence of Arctic Landfast Ice on Seasonal Modulation of the M2 Tide, J. Geophys. Res.-Oceans, 126, e2020JC016630,, 2021. a, b, c
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Caldwell, P. C., Merrifield, M. A., and Thompson, P. R.: Sea level measured by tide gauges from global oceans – the Joint Archive for Sea Level holdings (NCEI Accession 0019568), Version 5.5, NOAA National Centers for Environmental Information [data set], (last access: 3 October 2022), 2015. a
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Short summary
Effects of sea ice are typically neglected in operational flood forecast systems. In this work, we capture these effects via the addition of a parameterized ice–ocean stress. The parameterization takes advantage of forecast fields from an advanced ice–ocean model and features a novel, consistent representation of the tidal relative ice–ocean velocity. The new parameterization leads to improved forecasts of tides and storm surges in polar regions. Associated physical processes are discussed.