WSP06234

• File Number: 8271.300
• Description: Colorado River Basin Salinity Control Program - General Information and Publications-Reports
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 2/1/1974
• Title: Salinity Management Options for the Colorado River
• Water Supply Pro - Doc Type: Report/Study

C)
(d')
~
00
---.1
--.1

Table 3. 95% confidence intervals of conductivities of saturated soil
extracts on four soil textural classes from two samples per year over
10 years on the Imperial Valley Field Station. mmho/cm.

Area No.

Imperial stratified
Top 30 cm 30-60 cm

21
22
31
32
41
42
61
62
63
64

6.07 + 0.67
5.25 + 0.53
5.54 + 0.77
3.89 + 0.53
4.36+0.77
5.91 + 1.51
4.10 + 0.46
3.19 + 0.32
2.94 + 0.46
5.39:f 0.76

4.66

8.13 + 1.17
7.60 + 0.53
6.77 + 0.54
5.51:;: 0.72
5.21 + 0.69
6.64 + 1.40
6.27 + 0.44
5.37 + 0.64
4.82 + 0.83
6.64 :f 0.71

6.30

Average

Meloland

43
44
51
52
53
54
65
66
81
82
83

3.52 + 0.45
2.72 + 0.56
3.25 + 0.36
3.31 + 0.54
2.82 + 0.35
2.68 + 0.36
2.51 + 0.26
2.76 + 0.39
2.18 + 0.22
3.19 + 0.57
2.37 :f 0.27

2.84

4.85 + 0.49
3.47 + 0.32
4.79 + 0.52
5.15 + 0.84
3.30 + 0.39
3.09 + 0.47
4.26 + 0.34
4.35 + 0.57
2.86 + 0.39
5.27 + 0.47
3.45 :f 0.58

4.07

Average

Imperial Complex

71
72
73
74
75
76

7.28 + 0.73
6.16 + 0.75
6.44 + 0.59
6.21+1.11
6.77 + 0.60
6.25 :f 0.68

6.51

8. 72 + 0.69
7.99:;: 0.60
8.03 + 0.81
7.09:;: 1.51
9.18:;: 1.21
8.17 :f 0.94

8.19

Average

Indio

91
92
94
96
97

2.69 + 0.60
2.46 + 0.33
2.50+0.34
3.71 :;: 1.03
2.16 :f 0.41

2.69

2.49 + 0.63
2.60 :;: 0.54
3.54 + 0.67
1.84 + 0.46
2.24 :f O. 28

2.54

Average

18