Identification of Variations in the Climatic Conditions of the Lerma-Chapala-Santiago Watershed by Comparative Analysis of Time Series
Table 2
Absolute, relative, and proportional areas of the Lerma-Chapala-Santiago watershed with changes in temperature between time series one (1960–2010) and time series three (1981–2010).
No.
Series 1: 1960–2010
Series 3: 1981–2010
Tendency
Surface area with changes
Percentage area of the watershed
km2
%
1
Warm
Dry, semiarid
↑
155.7
1.665
0.1164
2
Warm
Semiwarm (temperate)
↓
123.4
1.319
0.0922
3
Warm
Semiwarm (warm)
↓
58.3
0.623
0.0436
4
Dry, arid
Dry, semiarid
↓
85.1
0.909
0.0636
5
Dry, semiarid
Temperate
↓
922.3
9.861
0.6893
6
Dry, semiarid
Semiwarm (temperate)
↓
86.2
0.922
0.0644
7
Dry, semiarid
Dry, arid
↑
4.4
0.047
0.0033
8
Dry, semiarid
Warm
↓
0.2
0.002
0.0001
9
Semiwarm (warm)
Warm
↑
2.0
0.021
0.0015
10
Semiwarm (warm)
Semiwarm (temperate)
↓
1.3
0.014
0.0010
11
Semiwarm (temperate)
Dry, semiarid
↑
2,973.1
31.787
2.2219
12
Semiwarm (temperate)
Temperate
↓
2,408.7
25.753
1.8001
13
Semiwarm (temperate)
Semiwarm (warm)
↑
90.9
0.972
0.0679
14
Semiwarm (temperate)
Warm
↑
74.4
0.796
0.0556
15
Temperate
Semiwarm (temperate)
↑
1,461.9
15.630
1.0925
16
Temperate
Dry, semiarid
↑
904.0
9.665
0.6756
17
Temperate
Cold
↓
1.3
0.014
0.0010
Total
9,353.1
100
6.99
The behavior of rainfall can contribute considerably toward variations in temperature characterization.
