The Cryosphere
The Cryosphere
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Articles | Volume 20, issue 3
Articles | Volume 20, issue 3
https://doi.org/10.5194/tc-20-1929-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-1929-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 3
Research article
 | 
02 Apr 2026
Research article |  | 02 Apr 2026

Southwest Greenland supraglacial lake bathymetry derived from ICESat-2 and spectral stratification of satellite imagery

Jinhao Lv, Chunchun Gao, Chao Qi, Shaoyu Li, Dianpeng Su, Kai Zhang, and Fanlin Yang

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Short summary
This study integrates ICESat-2 observations with multispectral imagery to estimate supraglacial lake depths on the Greenland Ice Sheet using satellite-derived bathymetry (SDB). By accounting for depth-dependent reflectance variations, we apply spectral stratification to improve SDB inversion accuracy. Owing to its low cost, strong spatiotemporal coverage, and enhanced accuracy, this approach provides valuable insights for monitoring supraglacial lake water depths.
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