Gas hydrate dissolution triggered by subglacial groundwater flushing during deglaciation

Paul C. Knutz
Nature Geoscience, Published online: 14 May 2026; doi:10.1038/s41561-026-01978-3 Subglacial meltwater flushed methane from the gas hydrate stability zone and released it into seawater during Greenland Ice Sheet retreat across the continental shelf in the last deglaciation, according to ocean drilling, seismic data and modelling.