Geoscience Reference
In-Depth Information
Table 19.1
(continued)
Depth
(cm)
Clay
(%)
Silt
(%)
Clay/
1,500 kPa
Bulk den.
(g/cm
3
)
CEC7
(cmol
c
/kg)
Horizon
OC (%)
pH
Al sat. (%)
Base sat. (%)
Fe
d
(%)
Al
d
(%)
Kapaa: very fine, sesquic, isohyperthermic Anionic Acrudox; Kauai, HI (Pedon No. 40A5631)
Ap
0-35
1.21
3.77
16.6
23.1
Bo1
35-55
1.21
1.53
3.4
24.1
Bo2
55-78
1.14
0.98
1.8
22.7
Bo3
78-95
1.18
0.93
4.2
21.3
Bo4
95-113
1.17
0.74
4.3
20.1
Bo5
113-150
1.22
0.64
1.9
20.5
Rakied: clayey-skeletal, allitic, isohyperthermic Typic Acroperox; Pohnpei, Micronesia (Pedon NO. 79P0205)
A1
0-13
28.0
7.6
0.61
1.12
2.12
5.6
18.5
38
1.0
A2
13-41
30.9
2.0
0.43
0.92
5.9
12.2
19
1.0
Bo1
41-51
49.5
0.9
0.48
1.22
1.04
6.1
11.3
14
1.9
Bo2
51-91
44.8
1.0
0.40
1.34
0.46
6.3
8.7
6
1.0
Bo3
91-122
1.30
0.13
6.4
6.8
1.3
C
122-152
40.4
11.0
0.53
0.16
6.3
9.7
3
1.1
Kolekole: fine, kaolinitic, isohyperthermic Oxic Dystrustepts; Honolulu, HI (Pedon No. 94P0704)
Ap1
0-8
12.5
28.0
1.60
2.49
5.0
20.3
76
6
4.9
1.2
Ap2
8-25
12.6
29.8
1.71
1.10
2.46
4.8
20.8
88
3
4.6
1.1
AB
25-35
11.2
29.0
1.77
1.28
2.47
4.5
20.1
91
2
4.4
1.1
2Bt1
36-56
17.9
36.3
1.14
1.50
0.49
4.4
11.9
93
3
4.4
0.5
2Bt2
56-86
19.4
41.4
1.06
1.37
0.47
4.3
10.9
90
5
4.2
0.4
Oxic
132+
62.0
5.5
0.38
1.30
0.53
4.9
6.3
59
25
12.2
0.9
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