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Nalaikh M2d depression (thermokarst)

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General Information

Created: 2014-01-16 10:26:00
Modified: 2014-02-14 10:25:44

Active: No
Country:Mongolia
Site:Tov
GTN-P:MN 22
TC-Code:M2d
Responsible Countries: Mongolia,
Timezone:UTC/GMT +08:00 hours
Vegetation Type:No Vegetation
Responsible Person:Natsagdorj Sharkhuu
MAGT (C) -2,1
MAGT_DEPTH (m) 5,5
MAGT_DATE 2008

Permafrost present, the active layer is about 1.3 m thick.

MEAN ANNUAL GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL AMPLITUDE (°C) – report  value for most recent year or 12 month interval

Temperatures at a depth of 5.5 range from 2.0 to -2.6oC

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' E106°46' at 1267 m a.s.l. and at a distance of 40 km from the boreholes to the north-west.

Depth:6 m
Drilling Angle:90 °
Deepest Sensor:5.5 m
Drilling Method:dry drilling
Date Drilled:01. Jun 2003
Type:by foot, 5 km from M2E
Permafrost Thickness:35 m
Permafrost Zone:Isolated Patches
Lithology:0-6 m silt and clay. Ice content is from 30% to 44%
Morphology:The borehole is located at the bottom of a thermokarst depression near a pingo.
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Longitude:107.33833333 °
Latitude:47.77638889 °
Elevation:1395 m
EPSG:4326
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