Articles | Volume 19, issue 5
https://doi.org/10.5194/tc-19-1825-2025
https://doi.org/10.5194/tc-19-1825-2025
Research article
 | 
12 May 2025
Research article |  | 12 May 2025

Multiple modes of shoreline change along the Alaskan Beaufort Sea observed using ICESat-2 altimetry and satellite imagery

Marnie B. Bryant, Adrian A. Borsa, Eric J. Anderson, Claire C. Masteller, Roger J. Michaelides, Matthew R. Siegfried, and Adam P. Young

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Cited articles

Alaska ShoreZone: ShoreZone, Alaska ShoreZone [data set], https://www.shorezone.org/ (last access: 20 March 2024), 2023. a, b
Arndt, P. S. and Fricker, H. A.: A framework for automated supraglacial lake detection and depth retrieval in ICESat-2 photon data across the Greenland and Antarctic ice sheets, The Cryosphere, 18, 5173–5206, https://doi.org/10.5194/tc-18-5173-2024, 2024. a
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Baranskaya, A., Novikova, A., Shabanova, N., Belova, N., Maznev, S., Ogorodov, S., and Jones, B. M.: The Role of Thermal Denudation in Erosion of Ice-Rich Permafrost Coasts in an Enclosed Bay (Gulf of Kruzenstern, Western Yamal, Russia), Front. Earth Sci., 8, 566227, https://doi.org/10.3389/feart.2020.566227, 2021. a, b, c, d, e, f, g, h, i
Barnhart, K. R., Anderson, R. S., Overeem, I., Wobus, C., Clow, G. D., and Urban, F. E.: Modeling erosion of ice-rich permafrost bluffs along the Alaskan Beaufort Sea coast, J. Geophys. Res.-Earth, 119, 1155–1179, https://doi.org/10.1002/2013JF002845, 2014. a, b, c, d, e, f, g
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Short summary
We measure shoreline change across a 7 km stretch of coastline on the Alaskan Beaufort Sea coast between 2019 and 2022 using multispectral imagery from Planet and satellite altimetry from ICESat-2. We find that shoreline change rates are high and variable and that different shoreline types show distinct patterns of change in shoreline position and topography. We discuss how the observed changes may be driven by both time-varying ocean and air conditions and spatial variations in morphology.
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