Little Smith LS-01

General Information

Created: 2014-02-13 09:26:36
Modified: 2014-02-13 09:42:31

Active: No
Site:Mackenzie River
GTN-P:CA 189
Responsible Countries: Canada,
Timezone:UTC/GMT -05:00 hours
Vegetation Type:Coniferous Forest
Responsible Person:Sharon Smith

Permafrost present but thickness unknown.


MEAN ANNUAL GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL AMPLITUDE (°C) – report value for most recent year or 12 month interval -0.1°C

Depth of zero annual amplitude (or depth of measurement reported above) 10.0 m

Year or 12 month interval for mean reported above August 2008-09


Norman Wells: 65°16.8’N, 126°48’W

Monthly average air temperatures and snow depths for Jan - Dec 2009

Month             Temp (°C)      Total Snow (cm)

Jan                  -28.7                21.2

Feb                  -23.5                15.8

Mar                 -23.3                12.6

Apr                  -4.3                  10.6

May                 5.7                   6.8

Jun                  14.1                 T

Jul                   16.3                 T

Aug                 14.2                 0

Sept                8.2                   5.0

Oct                  -3.0                  22.4

Nov                 -17.9                13.2

Dec                 -20.7                36.0

MAAT             -5.2

Depth:20.6 m
Drilling Angle:90 °
Deepest Sensor:15 m
Drilling Method:Rubber track-mounted M5T drill rig
Date Drilled:01. Feb 2007
Type:Winter: road, summer: helicopter
Distance From Road:20 m
Slope:2 °
Aspect:267.6 °
Permafrost Zone:Discontinuous
Vegetation:Open mature black spruce forest.
Landform:Alluvial flood plain
Lithology:Top 50 cm – Clay, unfrozen 0.5-1 m Sand: silty, fine, loose, brown. 1-3.5 m Gravel, some sand, free water Below 3.5 m – clay – silty, sandy, some gravel, stiff to very stiff, grey, moist. Frozen at approx. 8.5 m in 2008.
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Bibliographic References

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Longitude:-124.73972222 °
Latitude:64.43166667 °
Elevation:66.52677155 m
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