TY - JOUR T1 - Ice front positions for Greenland glaciers (2002–2021): a spatially extensive seasonal record and benchmark dataset for algorithm validation JO - Earth System Science Data UR - https://doi.org/10.5194/essd-18-2635-2026 PY - 2026/04/13 AU - Lu X AU - Jiang L AU - Li D AU - Liu Y AU - Sole AJ AU - Livingstone SJ ED - DO - DOI: 10.5194/essd-18-2635-2026 PB - Copernicus GmbH VL - 18 IS - 4 SP - 2635 EP - 2652 Y2 - 2026/04/22 ER -