River Between Two Mountains RBTM-02

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General Information

Created: 2014-01-08 13:39:01
Modified: 2014-02-12 10:21:54

Active: No
Country:Canada
Site:Mackenzie River
GTN-P:CA 90
TC-Code:RBTM-02
Responsible Countries: Canada,
Timezone:UTC/GMT -05:00 hours
Vegetation Type:Coniferous Forest
Responsible Person:Sharon Smith
MAGT  (C) : -0.5
MAGT Depth (m) : 7.5
MAGT Date/ Period : Sept 08-Aug 09

MEAN ANNUAL GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL AMPLITUDE (°C) – report value for most recent year or 12 month interval -0.4°C

Depth of zero annual amplitude (or depth of measurement reported above) 12.5 m

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

 

Fort Simpson (61°45.6’N and 121°14.4’W) is closes to this site, but data is incomplete so Norman Wells values are shown instead.

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:12.5 m
Drilling Angle:90 °
Deepest Sensor:12.5 m
Drilling Method:Rubber track-mounted M5T drill rig
Date Drilled:01. Mar 2007
Type:Helicopter in summer, winter road
Distance From Road:20 m
Type:anthropogenic: Some trees cleared above borehole
Distance From Heat:0 m
Slope:3 °
Aspect:44.3 °
Permafrost Thickness:>12.5 m
Permafrost Zone:Discontinuous
Vegetation:Dense black spruce forest
Landform:Transition lacustrine to alluvial moraine terrain
Lithology:Top 20 cm – peat: organic soil 0.2 to 12.5 m – Clay, with some sand between 1.5 and 2 m.
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Map

Longitude:-123.179804 °
Latitude:62.930989 °
Elevation:148.412384 m
EPSG:4326
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