Description of Data Files

Missing data indicated by 999.99
Dates are represented as dd/mm/yyyy
All temperatures are in degrees C

Borehole Temperature Data

• Location: Mongolia
• Time period: 1970-1996
• Files:
  Description of boreholes: table1.dat
  • Columns: Borehole number, Latitude(N), Longitude(E), Location, Borehole Depth[m], Elevation[m], Mean annual ground temperature-T, Depth to permafrost top-h[m],Depth to permafrost bottom-M[m]
  • Format: nna-#nnn,nn.nn,nnn.nn,ccccccccccccccccccccccccccccccc,cccccccccccccccccccccccccccc, nnnn,nnn.nn,nnn.nn,nnn.nn
  Measurements: tables2-3.dat
  • Fields: Date, T(C) at 1m, T(C) at 3cm, T(C) at 5m, T(C) at 10m, T(C) at 15m, T(C) at 20m, T(C) at 25m, T(C) at 30m, T(C) at 40m, T(C) at 50m, Measured T(C), T(C) at H, T(C) at h, Temperature gradient g(C/m) between depths of 10m and 2m, Increase in T for 10 years t(C), Increase in h for 10 years z(cm)
  • Format: dd/mm/yyyy,nnn.nn,nnn.nn,nnn.nn,nnn.nn,nnn.nn,nnn.nn,nnn.nn,nnn.nn,nnn.nn,nnn.nn,nnn.nn,nnn.nn, nnn.nn,nnn.nn,nnn.nn,nnn.nn
  • Comments: The above fields may have been measured at a variety of dates.

t-increase in T for 10 years, 0C,
z-increase in h for 10 years, cm
g-temperature gradient, 0C/m