Evaluating landfast sea ice ridging near UtqiagVik Alaska Using TanDEM-X interferometry

Marjan Marbouti (Corresponding Author), Leif E.B. Eriksson, Dyre Oliver Dammann, Denis Demchev, Joshua Jones, Anders Berg, Oleg Antropov

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Abstract

Seasonal landfast sea ice stretches along most Arctic coastlines and serves as a platform for community travel and subsistence, industry operations, and as a habitat for marine mammals. Landfast ice can feature smooth ice and areas of m-scale roughness in the form of pressure ridges. Such ridges can significantly hamper trafficability, but if grounded can also serve to stabilize the shoreward ice. We investigate the use of synthetic aperture radar interferometry (InSAR) to assess the formation and movement of ridges in the landfast sea ice near Utqiagvik, Alaska. The evaluation is based on the InSAR-derived surface elevation change between two TanDEM-X bistatic image pairs acquired during January 2012. We compare the results with backscatter intensity, coastal radar data, and SAR-derived ice drift and evaluate the utility of this approach and its relevance for evaluation of ridge properties, as well as landfast sea ice evolution, dynamics, and stability.

Original languageEnglish
Article number1247
JournalRemote Sensing
Volume12
Issue number8
DOIs
Publication statusPublished - 1 Apr 2020
MoE publication typeA1 Journal article-refereed

Keywords

  • InSAR
  • Landfast sea ice
  • Sea ice
  • Synthetic aperture radar
  • TanDEM-X

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    Marbouti, M., Eriksson, L. E. B., Dammann, D. O., Demchev, D., Jones, J., Berg, A., & Antropov, O. (2020). Evaluating landfast sea ice ridging near UtqiagVik Alaska Using TanDEM-X interferometry. Remote Sensing, 12(8), [1247]. https://doi.org/10.3390/RS12081247