Not exact matches
Folkerts (Barton Community College); 4.7 ± 0.2; Statistical
Estimates are based on multiple regression of a wide variety of publicly available monthly
arctic data (e.g., extent, area, sea surface
temperature, North Atlantic Oscillation, and so forth).
From that link's words, the DMI «green line» IS the best way to consistently compare the daily
estimate of NORTH areas of the
arctic — those areas north of 70 latitude to 83 north latitude NASA - GISS extrapolates «surface» ground - based
temperatures as far as 1200 km from where their land - based measurements were made from 60 - 70 latitude over the ever - greening (and darker) tundra and forests OUT to the open sea where where the
arctic sea ice actually is present.