Arctic Ocean Anomalies

‘Atlantification’ of Arctic sea tipping it towards new climate regime https://www.carbonbrief.org/atlantification-arctic-sea-tipping-towards-new-climate-regime Scientists are keeping a close eye on the Beaufort Gyre https://www.pri.org/stories/2018-01-06/scientists-are-keeping-close-eye-beaufort-gyre In a Spin:

Extinction Events in Earth History and Today

Flood basalts and mass extinctions – ancient hyperthermals as analogs for anthropogenic climate change.  Oceanic Anoxic Event (OAE) and mass extinctions are considered to be hyperthermals