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

Marjan Marbouti; Leif E.B. Eriksson; Dyre Oliver Dammann; Denis Demchev; Joshua Jones; Anders Berg; Oleg Antropov

doi:10.3390/RS12081247

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

Marjan Marbouti^*
, Leif E.B. Eriksson
, Dyre Oliver Dammann
, Denis Demchev
, Joshua Jones
, Anders Berg
, Oleg Antropov

^*Corresponding author for this work

BA6408 Remote sensing

University of Helsinki
Chalmers University of Technology
StormGeo
University of Alaska Fairbanks
AFRY

Research output: Contribution to journal › Article › Scientific › peer-review

8 Citations (Scopus)

167 Downloads (Pure)

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 language	English
Article number	1247
Journal	Remote Sensing
Volume	12
Issue number	8
DOIs	https://doi.org/10.3390/RS12081247
Publication status	Published - 1 Apr 2020
MoE publication type	A1 Journal article-refereed

Funding

This research was funded by Academy of Finland (grant number: 296628), the Swedish National Space Agency (SNSA) (Dnr 192/15) and StormGeo. Open access funding provided by University of Helsinki. TanDEM-X data were provided free of charge by the German Aerospace Center (DLR) under the license agreement ATI OCEA0401.

Keywords

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

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rs12081247Final published version, 7.88 MBLicence: CC BY

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title = "Evaluating landfast sea ice ridging near UtqiagVik Alaska Using TanDEM-X interferometry",

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.",

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AU - Marbouti, Marjan

AU - Eriksson, Leif E.B.

AU - Dammann, Dyre Oliver

AU - Demchev, Denis

AU - Jones, Joshua

AU - Berg, Anders

AU - Antropov, Oleg

PY - 2020/4/1

Y1 - 2020/4/1

N2 - 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.

AB - 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.

KW - InSAR

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KW - Sea ice

KW - Synthetic aperture radar

KW - TanDEM-X

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ER -

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

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Keywords

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