Steep Creek Top Steep-02

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General Information

Created: 2014-01-08 15:38:42
Modified: 2016-07-19 14:04:20

Active: Yes
Country:Canada
Site:Mackenzie River
GTN-P:CA 114
TC-Code:Steep-02
Responsible Countries: Canada,
Timezone:UTC/GMT -05:00 hours
Vegetation Type:Other
Responsible Person:Sharon Smith
MAGT  (C) : 1.4
MAGT Depth (m) : 12.0
MAGT Date/ Period : Sept 2008-09

MEAN ANNUAL GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL AMPLITUDE (°C) – report value for most recent year or 12 month interval 1.4°C

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

Year or 12 month interval for mean reported above September 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

AIR TEMPERATURE AND SNOW COVER THICKNESS/DENSITY MEASUREMENTS AT THE BOREHOLE SITE (indicate frequency of observations):

Air temperature: Yes [ ] No [X]    Snow thickness: Yes [ ] No[X]   Density: Yes [ ] No[X]

Depth:28.3 m
Drilling Angle:90 °
Deepest Sensor:15 m
Drilling Method:Rubber track-mounted M5T drill rig
Date Drilled:01. Feb 2006
Type:Winter: road, summer: helicopter
Distance From Road:20 m
Type:Anthropogenic: At edge of cleared pipeline right-of-way
Aspect:124.2 °
Permafrost Zone:Discontinuous
Vegetation:Mixed, white spruce, jackpine, aspen, birch
Landform:Alluvial and colluvial, north facing slope of stream valley (site at edge of cleared right-of-way)
Lithology:0-20 cm – Gravel 20 cm to 10 m mainly clay, below 10 m gravel and sand to 15 m, then clay again below.
Morphology:Top of hill or ridge
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Map

Longitude:-124.374783 °
Latitude:64.181183 °
Elevation:147 m
EPSG:4326
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