Articles | Volume 14, issue 10
The Cryosphere, 14, 3465–3478, 2020
https://doi.org/10.5194/tc-14-3465-2020
The Cryosphere, 14, 3465–3478, 2020
https://doi.org/10.5194/tc-14-3465-2020

Research article 19 Oct 2020

Research article | 19 Oct 2020

Toward a method for downscaling sea ice pressure for navigation purposes

Jean-François Lemieux et al.

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Short summary
Sea ice pressure poses great risk for navigation; it can lead to ship besetting and damages. Sea ice forecasting systems can predict the evolution of pressure. However, these systems have low spatial resolution (a few km) compared to the dimensions of ships. We study the downscaling of pressure from the km-scale to scales relevant for navigation. We find that the pressure applied on a ship beset in heavy ice conditions can be markedly larger than the pressure predicted by the forecasting system.