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Abstract Glacial meltwater has been increasingly recognised as a potential source of atmospheric methane, yet its origin and variability in the High Arctic remain poorly constrained. In this study, we present measurements of methane concentration and carbon‑isotope composition in meltwater draining the northern Greenland Ice Sheet.
The stability of marine methane hydrates and the potential release of methane gas to the ocean and atmosphere have received considerable attention in the past decade. Sophisticated hydraulic-thermodynamic models are increasingly being applied to investigate the dynamics of bottom-water warming, hydrate dissociation and gas escape from the seafloor.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.