Nalaikh M2b depression (pingo)

General Information

Created: 2014-02-13 12:34:41
Modified: 2014-02-17 08:46:55

Active: No
Responsible Countries: Mongolia,
Timezone:UTC/GMT +08:00 hours
Vegetation Type:No Vegetation
Responsible Person:Natsagdorj Sharkhuu

MEAN ANNUAL GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL AMPLITUDE (°C) – report  value for most recent year or 12 month interval –1.6°C at a depth of 7 m.

NAME AND LOCATION OF CLOSEST CLIMATE STATION (latitude, longitude, and distance from borehole, km) – provide (if available) mean monthly air temperature and snow depth of reporting interval for mean annual ground temperature. Buyantukhaa station, near Ulaanbaatar airport is located at N47° 51` E 106° 46` at 1267 m a.s.l. at a distance of 40 km from the boreholes to the North-west

Depth:8 m
Drilling Angle:90 °
Diameter:5 cm
Deepest Sensor:8 m
Drilling Method:Dry drilling
Date Drilled:01. Nov 1998
Type:by foot, 5 km from borehole M2E
Type:natural: located on pingo top surrounded by thermokarst lake
Distance From Heat:0 m
Permafrost Thickness:40 m
Permafrost Zone:Isolated Patches
Vegetation:Practically naked surface on the pingo
Lithology:0-1.3 m –lacustrine silt; 1.3-8.0 m –lacustrine ice rich silt, sometimes pure ice with a thickness of 0.1-0.3 m. In generally, ice predominates in profile.
Morphology:The pingo is surrounded by water pond of thermokarst lake. The lake is about 180 m in diameter and 1-3 m in a depth of water. The pingo is about 50 m in diameter and 5 m in height. At present, the thermokarst and pingo are active.
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Longitude:107.33833333 °
Latitude:47.77638889 °
Elevation:1401.72473145 m
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