Impact of Continuous Cropping on the Diurnal Range of Dew Point Temperature during the Foliar Expansion Period of Annual Crops on the Canadian Prairies
Table 1
Location of selected climate stations, daily mean air temperatures, and land use areas of corresponding ecodistricts for census years 1961 and 2006 in the Canadian Prairies.
Climatic zone
Station name
Province
Latitude (°N)
Longitude (°W)
Altitude (m)
(°C)
Ecodistrict
Total land area (k ha)
Total annual crop area
Summerfallow area
(k ha)
(k ha)
1961
2006
1961
2006
Subhumid
Calgary
Alberta
51.1
114.0
1,084.1
15.0
798
697.9
284.2
407.8
107.2
14.6
Edmonton
Alberta
53.3
113.6
723.3
15.0
727
716.4
327.5
421.9
67.9
11.9
Grande Prairie
Alberta
55.2
118.9
669.0
15.0
599
142.2
54.9
69.7
22.9
6.2
Prince Albert
Saskatchewan
53.2
105.7
428.2
16.5
702
296.5
151.7
197.7
49.5
9.4
Red Deer
Alberta
52.2
113.9
904.6
14.8
737
335.8
166.3
174.4
15.5
3.5
The Pas
Manitoba
54.0
101.1
270.4
16.7
667
311.5
1.5
1.3
1.0
0.1
Winnipeg
Manitoba
50.0
97.2
238.7
18.4
849
913.4
505.4
690.4
89.5
8.2
Semiarid
Estevan
Saskatchewan
49.2
103.0
580.6
18.2
794
637.0
271.5
371.0
218.7
63.6
Lethbridge
Alberta
49.6
112.8
928.7
16.8
793
763.7
276.8
378.3
129.2
28.6
Medicine Hat
Alberta
50.0
110.7
716.9
18.2
815
405.7
48.2
64.0
58.4
35.2
Moose Jaw
Saskatchewan
50.3
105.6
576.7
18.1
822
321.8
78.4
132.6
78.8
20.8
Regina
Saskatchewan
50.4
104.7
577.6
17.6
792
896.4
403.9
648.9
318.0
50.0
Saskatoon
Saskatchewan
52.2
106.7
504.1
17.2
774
101.1
40.0
58.9
30.5
7.2
Daily mean temperature from 1961 to 2006 during the foliar expansion period (DOY 165 to 195) of annual crops.