Articles | Volume 16, issue 4
The Cryosphere, 16, 1523–1542, 2022
The Cryosphere, 16, 1523–1542, 2022
Research article
27 Apr 2022
Research article | 27 Apr 2022

Automatic delineation of cracks with Sentinel-1 interferometry for monitoring ice shelf damage and calving

Ludivine Libert et al.

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Cited articles

Alley, K. E., Scambos, T. A., Anderson, R. S., Rajaram, H., Pope, A., and Haran, T. M.: Continent-wide estimates of Antarctic strain rates from Landsat 8-derived velocity grids, J. Glaciol., 64, 321–332., 2018. 
Andersen, J. K., Kusk, A., Merryman-Boncori, J. P., Hvidberg, C. S., and Grinsted, A.: Improved Ice Velocity Measurements with Sentinel-1 TOPS Interferometry, Remote Sens., 12, 2014,, 2020. 
Anderson, R., Jones, D. H., and Gudmundsson, G. H.: Halley Research Station, Antarctica: calving risks and monitoring strategies, Nat. Hazards Earth Syst. Sci., 14, 917–927,, 2014. 
Banwell, A., Willis, I., Macdonald, G., Goodsell, B., Mayer, D., Powell, A., and Macayeal, D.: Calving and rifting on the McMurdo Ice Shelf, Ann. Glaciol., 58, 78–87,, 2017. 
Baran, I., Stewart, M. P., Kampes, B. M., Perski, Z., and Lilly, P.: A modification to the Goldstein radar interferogram filter, IEEE T. Geosci. Remote, 41, 2114–2118,, 2003. 
Short summary
Open fractures are important to monitor because they weaken the ice shelf structure. We propose a novel approach using synthetic aperture radar (SAR) interferometry for automatic delineation of ice shelf cracks. The method is applied to Sentinel-1 images of Brunt Ice Shelf, Antarctica, and the propagation of the North Rift, which led to iceberg calving in February 2021, is traced. It is also shown that SAR interferometry is more sensitive to rifting than SAR backscatter and optical imagery.