Recent Change in the Arctic and the Arctic Oscillation
The Northern-hemisphere Annual Mode, popularly referred to as the Arctic Oscillation (AO) (Wallace and Thompson, 2002), is a robust pattern in the surface manifestation of the strength of the polar vortex (for a very readable description, see Hodges, 2000).
807: Persistent Toxic Substances, Food Security, and Indigenous Peoples of the Russian North
Recent Change in the Arctic and the Arctic Oscillation.pdf