Geology Reference
In-Depth Information
(A) Physiographic Region
Mackenzie Delta
Low Arctic
High Arctic
Location:
Inuvik
Tuktoyaktuk
Sachs Harbour (Ikaahuk)
Resolute Bay
Latitude:
69° N
69° 30
′
N
72° N
74° N
Ecological region:
Northern Sub-arctic
Low Arctic
Low Arctic
High Arctic
Elevation (m):
60
18
84
64
Mean temperature (°C):
Annual
−
9.6
−
10.7
−
14. 5
−
16.4
January
−
29.0
−
27.2
−
29.0
−
32.6
July
+
13.2
+
10.3
+
5.0
+
4.3
Average frost-free period:
45
55
15
9
Average precipitation:
Annual (mm)
260
130
102
136
June-August (mm)
93
64
49
69
Snowfall (cm)
174
56
47
78
(B)
Temperature (°C)
Precipitation (mm)
Mean Daily
Extreme
Rain
Snow
Total
No. of days with
No. of days
Ye a r
precipitation
with frost
Max.
Min.
Shingle Point:
−
10.6 °C
31.0 °C
−
52.2 °C
110
86
196
63
286
55 m a.s.l.
68°57
N
137°13
′
W
Eagle Plain:
′
−
6.9 °C
27.5 °C
−
48.0 °C
277
166
441
105
n/a
116 m a.s.l.
66°26
N
136°45
′
W
Old Crow:
′
−
10.5 °C
31.6 °C
−
59.4 °C
108
104
212
71
302
253 m a.s.l.
67°34
N
139°43
′
′
W
Source: Wahl et al. (1987).
