data. The regional model was calibrated with ground surface temperature data and tested
using ground temperature data from four shallow boreholes and a rock glacier inventory.
The results indicate widespread mountain permafrost at elevations above 800–900 m asl in
northern and eastern Iceland. According to the regional map, the mountain permafrost zone
covers c. 8000 km2 which is about 8% of the country's land area. Copyright© 2007 John …