Author

R. Tilling

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Open access Aug 2026

Robust Regional Contrast but Penetration‐Sensitive Snow Thickness Over Sea Ice From Multi‐Winter Antarctic CRYO2ICE Observations

Snow on Antarctic sea ice modulates albedo, thermodynamic growth, and snow–ice formation, yet remains a leading uncertainty in altimetry‐derived sea‐ice thickness. Here we use the post‐2022 CRYO2ICE configuration to derive along‐track winter snow thickness from ICESat‐2 laser and CryoSat‐2 Ku‐band radar freeboards over...

Xinlong Liu, Alexander D. Fraser, R. Tilling et al. · Earth and Space Science · 0 citations

Open access Aug 2026

First Assessment of ICESat‐2 Summer Sea Ice Freeboard With Airborne Validation

ICESat‐2 has demonstrated solid performance in retrieving sea ice freeboard during winter, when sea ice surface types are well‐defined and leads provide reliable sea surface height references. Summer retrievals are challenging because melt ponds are not explicitly distinguished in the ATL07 surface classification and m...

Ellen M. Buckley, S. Kacimi, Melinda A. Webster et al. · Geophysical Research Letters · 0 citations