Articles | Volume 17, issue 8
https://doi.org/10.5194/tc-17-3229-2023
https://doi.org/10.5194/tc-17-3229-2023
Research article
 | 
09 Aug 2023
Research article |  | 09 Aug 2023

Atmospheric highs drive asymmetric sea ice drift during lead opening from Point Barrow

MacKenzie E. Jewell, Jennifer K. Hutchings, and Cathleen A. Geiger

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Cited articles

Babb, D. G., Landy, J. C., Barber, D. G., and Galley, R. J.: Winter sea ice export from the Beaufort Sea as a preconditioning mechanism for enhanced summer melt: A case study of 2016, J. Geophys. Res.-Oceans, 124, 6575–6600, https://doi.org/10.1029/2019JC015053, 2019. a, b
Babb, D. G., Galley, R. J., Howell, S. E. L., Landy, J. C., Stroeve, J. C., and Barber, D. G.: Increasing Multiyear Sea Ice Loss in the Beaufort Sea: A New Export Pathway for the Diminishing Multiyear Ice Cover of the Arctic Ocean, Geophys. Res. Lett., 49, e2021GL097595, https://doi.org/10.1029/2021GL097595, 2022. a
Eicken, H., Shapiro, L., Gaylord, A., Mahoney, A., and Cotter, P.: Mapping and characterization of recurring spring leads and landfast ice in the Beaufort and Chukchi Seas, Final Report, OCD Study Boem 2005-068, https://espis.boem.gov/final%20reports/3482.pdf (last access: 6 December 2022), 2005. a, b
Fetterer, F., Savoie, M., Helfrich, S., and Clemente-Colón, P.: Multisensor Analyzed Sea Ice Extent – Northern Hemisphere (MASIE-NH), Version 1, Boulder, Colorado USA. National Snow and Ice Data Center [data set], https://doi.org/10.7265/N5GT5K3K, 2010. a
GEBCO Bathymetric Compilation Group 2022: The GEBCO_2022 Grid – a continuous terrain model of the global oceans and land, NERC EDS British Oceanographic Data Centre NOC [data set], https://doi.org/10.5285/e0f0bb80-ab44-2739-e053-6c86abc0289c, 2022. a, b
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Sea ice repeatedly fractures near a prominent Alaskan headland as winds move ice along the coast, challenging predictions of sea ice drift. We find winds from high-pressure systems drive these fracturing events, and the Alaskan coastal boundary modifies the resultant ice drift. This observational study shows how wind patterns influence sea ice motion near coasts in winter. Identified relations between winds, ice drift, and fracturing provide effective test cases for dynamic sea ice models.