Mapping Arctic Bottomfast Sea Ice Using SAR Interferometry.
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Dammann, Dyre O.
Eriksson, Leif E. B.
Mahoney, Andrew R.
Stevens, Christopher W.
van der Sanden, Joost
Meyer, Franz J.
Tweedie, Craig E.
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Bottomfast sea ice is an integral part of many near-coastal Arctic ecosystems with implications for subsea permafrost, coastal stability and morphology. Bottomfast sea ice is also of great relevance to over-ice travel by coastal communities, industrial ice roads, and marine habitats. There are currently large uncertainties around where and how much bottomfast ice is present in the Arctic due to the lack of effective approaches for detecting bottomfast sea ice on large spatial scales. Here, we suggest a robust method capable of detecting bottomfast sea ice using spaceborne synthetic aperture radar interferometry. This approach is used to discriminate between slowly deforming floating ice and completely stationary bottomfast ice based on the interferometric phase. We validate the approach over freshwater ice in the Mackenzie Delta, Canada, and over sea ice in the Colville Delta and Elson Lagoon, Alaska. For these areas, bottomfast ice, as interpreted from the interferometric phase, shows.....
Sustainable Development Goals (SDG)14.a
Maturity LevelPilot or Demonstrated
Spatial CoverageBeaufort Sea
CitationDammann, D. O., Eriksson, L. E. B., Mahoney, A. R., Stevens, C. W., Van der Sanden, J., et al. (2018) Mapping Arctic Bottomfast Sea Ice using SAR Interferometry. Remote Sensing, 10:720, 17pp. DOI: https://doi.org/10.3390/rs10050720
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