GNGTS 2019 - Atti del 38° Convegno Nazionale

GNGTS 2019 S essione 1.4 231 Fig. 1 - Locations of the Northern Magnetic Pole and limits of ice cap at the moment of minimum extension in 1979 (green) and 2018 (yellow). Fig. 2 - Locations of the Southern Magnetic Pole and limits of ice cap at the moment of minimum extension in 1979 (green) and 2018 (yellow).