Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 18, issue 8
Articles | Volume 18, issue 8
https://doi.org/10.5194/essd-18-6017-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-6017-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 8
Data description article
 | Highlight paper
 | 
25 Aug 2026
Data description article | Highlight paper |  | 25 Aug 2026

Grounded icebergs around Antarctica: a high-resolution dataset derived from deep learning and Sentinel-1 synthetic aperture radar

Kaihong Jiao, Alexander D. Fraser, Johannes Lohse, Pat Wongpan, Caitlin Adams, and Alexander C. Bradley

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Editorial statement
This study presents a high-resolution, continent-wide dataset of grounded icebergs around Antarctica. By providing a comprehensive inventory of 39 619 stationary icebergs, including icebergs as small as 0.016 km², it establishes a reference dataset for investigations of Antarctic coastal processes, fast ice dynamics, and marine ecosystems.
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Short summary
Grounded icebergs anchor Antarctic sea ice and support marine ecosystems, yet their continent-wide distribution was previously unknown. Using satellite radar imagery and an automated artificial intelligence tool, we mapped nearly 40 000 stationary icebergs. We discovered that tiny, frequently overlooked icebergs actually dominate both the total number and area. This public dataset offers a crucial new baseline for modelling coastal ice stability and understanding broader environmental changes.
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