New Study: Greenland Was 3-7°C Warmer And Far Less Glaciated Than Today 6000-8000 Years Ago
By Kenneth Richard on 12. January 2026
A large portion of the Greenland ice sheet that is today over 500 m thick did not exist during the Early to Mid Holocene.
Prudhoe Dome (PD), a 2500 km² section of northwestern Greenland’s ice sheet (GIS), is today 500 to 600 m thick (Walcott-George et al., 2026).
Approximately 6000-8000 years ago, or when atmospheric CO2 was alleged to be ~260 ppm, PD had deglaciated completely, exposing the soil to sunlight.
The primary mechanism for the PD deglaciation was the estimated 3-7°C warmer-than-present regional temperatures. This warming and the consequent ice cap minima was said to be “Arctic-wide”.
Starting ~4000 years ago the GIS gradually began thickening until it recently reached its modern glaciated state, with glaciation peaking in the 1800s.
https://notrickszone.com/2026/01/12/new-study-greenland-was-3-7c-warmer-and-far-less-glaciated-than-today-6000-8000-years-ago/