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Description

This data set provides a comprehensive map for the Antarctic Ice Sheet of the short-term zone of migration of the ice grounding line (i.e., the transition boundary between grounded ice and ice floating in the ocean waters) for the given period, due to changes in oceanic tide. This variation is represented by polylines that indicate the upstream and downstream bounds in the grounding line variation for a given year. The data are derived using an automated machine learning algorithm to delineate thousands of grounding lines in interferometric synthetic aperture radar (InSAR) data acquired by Sentinel-1 A/B, supplemented by data from COSMO SkyMed, RADARSAT-2, and European Remote Sensing (ERS) satellites.

Version Description

Initial release

Product Summary

Platforms
COSMO-SKYMED ,
ERS-1 ,
ERS-2 ,
RADARSAT-1 ,
RADARSAT-2 ,
Sentinel-1A ,
Sentinel-1B
Instruments
SAR ,
C-SAR
Projects
MEaSUREs
Spatial Extent

N: -60 S: -90 E: 180 W: -180

Spatial Resolution
100 Meters x 100 Meters
Spatial Reference System(s)
WGS 84 / Antarctic Polar Stereographic (EPSG:3031)
Location
ANTARCTICA
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2018-01-01 to 2020-12-31
Temporal Resolution
1 Year
Concept ID
C3298525131-NSIDC_CPRD
Data State
COMPLETE
Number of Files/Granules
2
Processing Level
4
Published
Updated
Science Keywords
Grounding Line

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Rignot, E., Mouginot, J., & Scheuchl, B. (2023). MEaSUREs Grounding Zone of the Antarctic Ice Sheet, Version 1 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/HGLT8XB480E4 Date Accessed: 2026-10-15

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Publications Citing This Dataset

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Title Authors Year Referenced Datasets
Thirty years of glacier grounding line retreat in Antarctica
  • Rignot, Eric, Scheuchl, Bernd, Barre, Jean Baptiste, Brancato, Virginia, Charrier, Laurane, Chen, Hanning, Ciraci, Enrico, Dinh, Andy, Herreid, Sam, Jeong, Seongsu, Li, Xin, Mitchell, Thomas, Mohajerani, Yara, Shamsian, Sina, Tolpekin, Valentyn, Velicogna, Isabella, Wollersheim, Michael
Local bed-controlled grounding-line retreat at Cook Ice Shelf, East Antarctica, revealed by differential InSAR
  • Han, Hyangsun, Lee, Siung, Kim, Taewook, Kim, Jin-Woo, Jeon, Yeong-Beom, Kim, Jong-Gun, Lee, Seung Chul
Amery Ice Shelf Grounding Line Datapoints Automated Extraction from Airborne Ice-penetrating Radar
  • Xia, Menglian, Cui, Xiangbin, Lv, Chen, Greenbaum, Jamin S., Wei, Wei, Jong, Lenneke M., An, Lu, Tian, Yixiang, Liu, Jiaxin, Hao, Tong, Xie, Huan, Guo, Jingxue, Li, Lin, Roberts, Jason L., Habbal, Feras, van Ommen, Tas, Siegert, Martin J., Sun, Bo, Li, Rongxing
Recent Variability in Fracture Characteristics and Ice Flow of Thwaites
  • Wang, Shujie, Alexander, Patrick M., Alley, Richard B., Huang, Zhengrui, Parizek, Byron R., Willet, Amanda G., Anandakrishnan, Sridhar
Short and Long-term Grounding Zone Dynamics of Amery Ice Shelf, East
  • Zhu, Yikai, Hogg, Anna E., Hooper, Andrew, Wallis, Benjamin J.
Mid-Holocene sea-ice dynamics and climate in the northeastern Weddell
  • Stevenson, Mark A., Hodgson, Dominic A., Bentley, Michael J., Grocke, Darren R., Tunstall, Neil, Longley, Chris, Graham, Alice, McClymont, Erin L.
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