Nature of precipitation | Precipitation duration | Precipitation sum | Precipitation intensity | ||||||
---|---|---|---|---|---|---|---|---|---|
Min | Mean | Max | Min | Mean | Max | Min | Mean | Max | |
[days] | [mm] | [mm/h] | |||||||
Dry slope on the first analysis day | |||||||||
Uniformly | 23 | 33.0 | 54 | 57.0 | 98.4 | 138.8 | 0.062 | 0.130 | 0.170 |
Decreasing | 12 | 20.3 | 43 | 60.7 | 132.9 | 202.7 | 0.075 | 0.311 | 0.519 |
Increasing | 28 | 40.0 | 57 | 53.4 | 82.9 | 110.9 | 0.056 | 0.089 | 0.116 |
Humid slope on the first analysis day | |||||||||
Uniformly | 19 | 27.1 | 44 | 48.0 | 80.7 | 110.2 | 0.062 | 0.130 | 0.170 |
Decreasing | 8 | 15.1 | 33 | 54.5 | 114.8 | 167.0 | 0.085 | 0.368 | 0.686 |
Increasing | 23 | 33.5 | 48 | 46.4 | 68.1 | 90.9 | 0.055 | 0.087 | 0.115 |
Wet slope on the first analysis day | |||||||||
Uniformly | 15 | 25.8 | 44 | 37.5 | 76.6 | 106.1 | 0.062 | 0.130 | 0.170 |
Decreasing | 7 | 14.3 | 33 | 44.2 | 112.1 | 167.0 | 0.085 | 0.389 | 0.766 |
Increasing | 18 | 31.7 | 47 | 35.2 | 64.1 | 88.0 | 0.054 | 0.086 | 0.115 |
Case study | Location [WGS84] | Slope | Length | Height | Thickness of colluvium | Landuse | |
---|---|---|---|---|---|---|---|
E[°] | N [°] | [°] | [m] | [%] | |||
K01 | 21.95956 | 51.32689 | 30.0 | 120 | 21.0 | 7.7 | Forest (100) |
K02 | 21.97400 | 51.32232 | 46.5 | 116 | 16.8 | 3.1 | Forest (62), Fields (48) |
K03 | 21.97799 | 51.32479 | 35.0 | 143 | 14.4 | 4.7 | Forest (100) |
Z01 | 22.00966 | 51.36299 | 36.5 | 255 | 36.6 | 7.9 | Forest (50), Fields (50) |
Z01a | 22.00535 | 51.35397 | 45.0 | 190 | 16.8 | 5.6 | Forest (74), Fields (26) |
Z03 | 22.01034 | 51.34569 | 45.0 | 107 | 28.7 | 7.2 | Forest (73), Fields (23) |
Case study | Angle of internal friction | Cohesion | Permeability | Fraction content | USDA | PN-EN ISO 14668-2:2006 | ||
---|---|---|---|---|---|---|---|---|
Clay | Silt | Sand | ||||||
[°] | [kPa] | [m/s] | [%] | |||||
K01 | 33.9 | 3.2 | 3.27 × 10−6 | 6.4 | 67.0 | 26.6 | silt loam | silt |
K02 | 31.4 | 0.0 | 7.14 × 10−6 | 5.4 | 66.2 | 28.4 | silt loam | silt |
K03 | 30.4 | 0.0 | 3.86 × 10−6 | 4.8 | 61.4 | 33.8 | silt loam | silt |
Z01 | 31.2 | 0.0 | 2.20 × 10−6 | 5.1 | 65.0 | 29.9 | silt loam | silt |
Z01a | 34.3 | 0.0 | 2.36 × 10−6 | 4.9 | 64.9 | 30.2 | silt loam | silt |
Z03 | 30.5 | 3.0 | 2.95 × 10−6 | 6.1 | 62.8 | 31.1 | silt loam | silt |