Page 330 - Geosystems An Introduction to Physical Geography 4th Canadian Edition

294 part II The Water, Weather, and Climate Systems
Continental air mass
35.0 38
32.5 32 30.0 27 27.5 21 25.0 16 22.5 10
20.0 4
0 –1
–7
7.5 –23 5.0 –29 2.5 –34
–40 JFMAMJJASOND
Month
(a) Climograph for Churchill, Manitoba.
▲Figure 10.15 Subarctic cool-summer climate. [(b) Bobbé Christopherson.]
Continental air mass
35.0 38
32.5 32 30.0 27 27.5 21 25.0 16 22.5 10 20.0 4
0 –1
–7
7.5 –23 5.0 –29 2.5 –34
–40 JFMAMJJASOND
Month
Station: Churchill, Manitoba Lat/long: 58° 45′ N 94° 04′ W Avg. Ann. Temp.: –7°C
Total Ann. Precip.: 44.3 cm Elevation: 35 m
Population: 1400
Ann. Temp. Range: 40 C° Ann. Hr of Sunshine: 1732
(b) The port of Churchill operates during the ice-free season from July to October and offers a shorter shipping route from the Prairie Provinces to Europe destinations than eastward through the Great Lakes and St. Lawrence Seaway.
17.5
15.0
12.5 –12 10.0 –18
0
120°
0 1000 KILOMETRES
Churchill
CANADA
90° 70°
0
(a) Climograph for Verkhoyansk, Russia.
(b) A summer scene shows one of many ponds created by thawing permafrost.
▲Figure 10.16 Extreme subarctic cold-winter climate. [(b) Dean Conger/Corbis.]
Station: Verkhoyansk, Russia Lat/long: 67° 35′ N 133° 27′ E Avg. Ann. Temp.: –15°C
Total Ann. Precip.: 15.5 cm
Elevation: 137 m Population: 1500
Ann. Temp. Range: 63 C°
Verkhoyansk
RUSSIA
0 1200 KILOMETRES
17.5
15.0
12.5 –12 10.0 –18
50°
40°
30°
30°
0°
180°
60°
80°
170°
150°
40°
Precipitation (cm)
Precipitation (cm)
Temperature (°C)
Temperature (°C)