Articles | Volume 20, issue 5
https://doi.org/10.5194/tc-20-3051-2026
https://doi.org/10.5194/tc-20-3051-2026
Research article
 | 
26 May 2026
Research article |  | 26 May 2026

Improved workflow for customized ICESat-2 ATL06 elevations captures seasonal mountain snow depths at sub-kilometer scale

Karina Zikan, Ellyn M. Enderlin, Hans-Peter Marshall, and Shad O'Neel

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Cited articles

Aberle, R. and Enderlin, E.: RaineyAbe/glacier-snow-cover-analysis: First release (0.0.1), Zenodo [code], https://doi.org/10.5281/zenodo.14868024, 2025. a
Adebisi, N., Marhsall, H.-P., ONeel, S., Vuyovich, C., Hiemstra, C., and Elder, K.: SnowEx20-21 QSI Lidar DEM 0.5m UTM Grid, NASA National Snow and Ice Data Center Distributed Active Archive Center, Version 1 [data set], https://doi.org/10.5067/YO583L7ZOLOO, 2022. a, b
Barnett, T. P., Adam, J. C., and Lettenmaier, D. P.: Potential impacts of a warming climate on water availability in snow-dominated regions, Nature, 438, 303–309, https://doi.org/10.1038/nature04141, 2005. a
Besso, H., Shean, D., and Lundquist, J. D.: Mountain snow depth retrievals from customized processing of ICESat-2 satellite laser altimetry, Remote Sens. Environ., 300, 113843, https://doi.org/10.1016/j.rse.2023.113843, 2024. a, b, c, d, e, f, g, h, i, j, k, l, m, n, o
Chen, T., Jiang, L., Yang, J., Kong, D., and Pang, Y.: An improvement in ICESat-2 ATL03 snow depth estimation: a case study in the Tuolumne Basin, USA, Int. J. Digit. Earth, 18, 2505628, https://doi.org/10.1080/17538947.2025.2505628, 2025. a, b, c, d, e
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Short summary
We present an improved method for measuring mountain snow depth using NASA’s ICESat-2 satellite that accounts for steep terrain. By comparison to weather station and helicopter measurements, we show that ICESat-2 captures snow depth both over a season and across a mountain ridge. ICESat-2 works best when slopes are less than 20°. Enough mountain terrain falls within this slope range that ICESat-2 could dramatically expand snow depth observation and provide critical data for water management.
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