|
1 | Delta TDR | 1.8129 | 0.9610 | - | - | 矿物土。供试土壤取自黑河上游青海省海北藏族自治州境内阿柔乡的草场地区沙(>0.05 mm)占29.45%, 粉沙(0.002~0.05 mm)占69.3%, 黏土(<0.002 mm)占1.25% |
2 | Steven 1 | 5.1074 | 0.8502 | - | - | 壤土 |
3 | Steven 2 | 2.3900 | 0.9980 | - | - | 壤土, 土壤有机碳平均含量为1.3%, 全氮平均含量为0.16% |
4 | Pepin et al. (1992)[26] | 8.50×10-2 | 1.92×10-2 | -0.95×10-4 | | 有机土壤 |
5 | Topp et al. (1980)[1] | -5.3×10-2 | 2.92×10-2 | -5.5×10-4 | 4.3×10-6 | 质地比较粗的土壤, 不适合质地细而密实的黏土 |
6 | Smith and Tice, (1988)[27] | -1.458×10-1 | 3.868×10-2 | -8.502×10-4 | 9.920×10-6 | 多种土壤 |
7 | Roth et al. (1992)[25] | 2.33×10-2 | 2.85×10-2 | -4.31×10-4 | 3.04×10-6 | 矿物土和有机土, 矿物质土壤中含有10%~55%的有机质成分 |
8 | Kellner and Lundin (2001)[30] | 3.90×10-2 | 3.17×10-2 | -4.50×10-4 | 2.6×10-6 | 有机土壤 |
9 | Roth et al.(1992)1[25] | -0.0728 | 0.0448 | -0.00195 | 0.0000361 | 矿质土壤 |
10 | Roth et al. (1992)2[25] | -0.0233 | 0.0285 | -0.000431 | 0.00000304 | 有机质土壤 |
11 | Roth et al. (1992)3[25] | -0.0981 | 0.0529 | -0.00198 | 0.0000273 | 磁性土壤 |
12 | Roth et al. (1992)4[25] | -0.0927 | 0.0460 | -0.00199 | 0.0000298 | 玻璃珠、 蒙脱石等 |
13 | Formula | -0.2191 | 0.085 | -0.0036 | 0.00005 | 南方红壤地区 |
14 | Dobson et al.[13] | 2.37 | (-5.24+0.55×%sand+0.15×%clay) | (146.04-0.74×%sand-0.85×%clay) | - | clay是土壤黏粒含量(%), sand是砂粒含量(%) |
15 | Jacobsen[31] | -3.41×10-2-(3.70×10-2ρb )+(7.36×10-4%clay)+(47.7×10-4%om) | 3.45×10-2 | -11.4×10-4 | 17.1×10-6 | ρb 是土壤容重(g·cm-3), om是土壤有机质含量(%) |
|
16 | Yoshikawa et al.[29] | -0.6286 | 0.4337 | -5.49×10-2 | 0.33×10-2 | 含苔藓残体的有机土壤(Dead sphagnum moss) |
17 | Yoshikawa et al.[29] | -0.1625 | 0.1108 | -0.21×10-2 | 4.33×10-4 | 含活苔藓的有机土壤(Live sphagnum moss) |
18 | Alharathi and Lange[28] | -0.204 | 0.128 | - | - | 砂土(23 ℃) |
统计模型 |
19 | Friedman[16] | 2.35n-0.398 | -49.54+509.7n-1241.5n2+839.7n3 | 513-3708.9n+9129.8n2-6562n3 | - | n表示孔隙率, , ρs 土粒密度g·cm-3, 且εs =4,εw =80, εA =1 |