In
Pohjoismaat lähdekirja (Nordic sourcebook) 1990 by FGH (canon V1). Authors write about Iceland. 100 kt to Keflavik air base. Rest of the country will go back to 19th century. In the year 2000 war has practically ended. (If I remember it right? Sourcebooks are like police, women and taxicab. You newer find one when you need it...)
Situation in Greenland could be something like that. Trickle of electricity from alternative power plant? Fishing without motor-powered vessels? Back to old days without much dying and suffering? Famine or two maybe? And dont forget EMP!
http://en.wikipedia.org/wiki/Keflav%C3%ADk_Air_Base