Darhad M13a depression (Huurchin plain)

General Information

Created: 2014-02-13 14:58:55
Modified: 2014-02-14 15:20:55

Active: No
Responsible Countries: Mongolia,
Timezone:UTC/GMT +08:00 hours
Vegetation Type:Grassland
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 -3.07°C, -2.76°C, -2.36°C and -0.92°C (in Oct 2005) at depths of 10; 20; 40 and 80 m, respectively.

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. Rinchinlkhumbe station is located 45 km South-East from the borehole (N51°06’31.7’’ E99°39’58.7’’).

Depth:92 m
Drilling Angle:90 °
Diameter:13 cm
Deepest Sensor:80 m
Drilling Method:Dry drilling
Date Drilled:01. Jan 2004
Type:road (by jeep), 70 km from Tsagaan nuur village
Permafrost Thickness:100 m
Permafrost Zone:Continuous
Vegetation:Very poor grassland (steppe herds)
Lithology:0-0.6 m – brown sandy loam 0.6- 92 m blue-gray lacustrine silt with thin layers of fine sand and clay. Ice content is 35-40% at depth of 2 to 7 m and 20-35% at depth of 7 to 92 m
Morphology:The borehole is located in the dry plain of Tarbagat lake terrace
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Bibliographic References

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Longitude:99.49755556 °
Latitude:51.18730556 °
Elevation:1547.92333984 m
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