Description of datafiles:

Missing data indicated by  -99.99999

Iceland Active Layer Data

• File: iceactlr.dat
• Location: Thjorsarver, Central Highland, Iceland
• Latitude: 63o 30' N
• Longitude: 18o 40' W
• Time period: 1982 - 1992
• Columns:
  • Year
  • kjuly = proportion of stations with frozen ground 4-7 July
  • kjulaug = ditto on 1-4 August
  • kaugust = ditto on 20-24 August
  • aldjulyo = mean active layer depth (cm) on 4-7 July, palsas excluded
  • sejulyo = standard error of the mean for the above
  • aldjulyp and sejulyp are as above but for palsas only
  • aldjao = active layer depth (cm) on 1-4 August, palsas excluded
  • sealdjao = s.e. of above
  • aldjap and sealdjap are as above but for palsas only
  • aldaugo = mean active layer depth (cm) on 20-24 August, palsas excluded
  • sealdaugo = s.e. of above
  • aldaugp and sealdaugp are as above but for palsas only
  • kyrbefore = proportion of stations with frozen ground in late August of the year before
  • dd5, dd6, dd7 and dd8 are monthly degree days above zero
  • precip56, precip7.....etc precipitation (mm)
  • snow9....snow12 is snowdepth in cm for those months
  • frdd is frost degree days, i.e. below zero
• Format:
  Year: yyyy
  All other columns: nnn.nnnnn