Sentinel-1 HH+HV backscatter statistics for five Antarctic ice shelves 2019–2025 — dataset for Shobha Mourya Dumpati (2026)

Radiometrically calibrated Sentinel-1 GRD-MD EW mode HH and HV gamma0 backscatter statistics for Shackleton, Abbot, Nickerson, Sulzberger, and Rennick ice shelves, derived from 180 valid scene-site observations across 2019–2025. Includes per-site CSV files, combined master file, ice shelf boundary GeoJSON, granule list JSON, and georeferenced HH gamma0 GeoTIFF spatial maps for Nickerson and Sulzberger.