In November, I wrote a post describing research on Antarctic glacial melting by Catherine Ritz, Tamsin Edwards, Gaël Durand, Antony Payne, Vincent Peyaud, and Richard Hindmarsh (“Potential sea-level rise from Antarctic ice-sheet instability constrained by observations”). I had asked one of the authors, Tamsin Edwards, to address a few questions about the study. I also asked glacier expert Richard Alley a few questions. Alley got back to me right away, but Edwards was unable to do so, so I wrote up Alley’s commentary here, with the intention of covering Edwards’ response at a later time. Over…
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