Sean Birkel, Paul Mayewski, Kirk Maasch, Andrei Kurbatov, and Bradfield Lyon npj Climate and Atmospheric Science volume 1, Article number: 24 (2018) https://www.nature.com/articles/s41612-018-0036-6 The Atlantic multidecadal oscillation (AMO) is a 60–70 year pattern of sea-surface temperature (SST) variability in the North Atlantic commonly ascribed to internal ocean dynamics and changes in northward heat transport. Recent modeling studies, however, read more Evidence for a volcanic underpinning of the Atlantic multidecadal oscillation – Birkel et al.