Variable | Classes | Variable description | N. of total pixel | N. of pixel with landslide | N. of pixel without landslide | |
Landslide distribution | 0/1 | Absence/presence phenomenon | 1,520,450 (100.0%) | 9840 (0.6%) | 1,510,610 (99.4%) | |
Lithology | 1 | Quaternary deposits | 239,216 (100.0%) | 645 (0.3%) | 238,571 (99.7%) | |
2 | Quaternary cemented deposits | 19,328 (100.0%) | 248 (1.3%) | 19,080 (98.7%) | ||
3 | Flysch deposits | 370,870 (100.0%) | 3272 (0.9%) | 367,598 (99.1%) | ||
4 | Marly limestones | 200,747 (100.0%) | 2998 (1.5%) | 197,749 (98.5%) | ||
5 | Marls and clay marls | 15,808 (100.0%) | 529 (3.3%) | 15,279 (96.7%) | ||
6 | Limestones, marls and clays alternations | 105,007 (100.0%) | 1360 (1.3%) | 103,647 (98.7%) | ||
7 | Stratified limestone | 544,635 (100.0%) | 1630 (0.3%) | 543,005 (99.7%) | ||
8 | Dolostones | 24,839 (100.0%) | 523 (2.1%) | 24,316 (97.9%) | ||
Seismic acceleration (g*100) | 1 | 22 - 23 | 26,619 (100.0%) | 256 (1.0%) | 26,363 (99.0%) | |
2 | 24 | 164,621 (100.0%) | 1951 (1.2%) | 162,670 (98.8%) | ||
3 | 25 | 969,836 (100.0%) | 6106 (0.6%) | 963,730 (99.4%) | ||
4 | 26 | 359,374 (100.0%) | 2892 (0.8%) | 356,482 (99.2%) | ||
DTM (m a.s.l.) | 1 | 449-700 | 60,107 (100.0%) | 1333 (2.2%) | 58,774 (97.8%) | |
2 | 700-900 | 355,118 (100.0%) | 3147 (0.9%) | 351,971 (99.1%) | ||
3 | 900-1,100 | 473416 (100.0%) | 4488 (0.9%) | 468928 (99.1%) | ||
4 | 1,100-1,300 | 315,147 (100.0%) | 1395 (0.4%) | 313,752 (99.6%) | ||
5 | 1,300-1,500 | 201,476 (100.0%) | 561 (0.3%) | 200,915 (99.7%) | ||
6 | 1,500-2,150 | 115,186 (100.0%) | 281 (0.2%) | 114,905 (99.8%) | ||
Slope (˚) | 1 | 0 - 5 | 268,839 (100.0%) | 229 (0.1%) | 268,610 (99.9%) | |
2 | 5 - 10 | 182,601 (100.0%) | 855 (0.5%) | 181,746 (99.5%) | ||
3 | 10 - 20 | 439,473 (100.0%) | 4782 (1.1%) | 434,691 (98.9%) | ||
4 | 20 - 30 | 400377 (100.0%) | 3152 (0.8%) | 397225 (99.2%) | ||
5 | 30 - 40 | 185,410 (100.0%) | 1605 (0.9%) | 183,805 (99.1%) | ||
6 | 40 - 50 | 38,752 (100.0%) | 551 (1.4%) | 38,201 (98.6%) | ||
7 | 50 - 75 | 4998 (100.0%) | 31 (0.6%) | 4967 (99.4%) | ||
Aspect (˚) | 1 | 0 - 90 | 445,836 (100.0%) | 3656 (0.8%) | 442,180 (99.2%) | |
2 | 90 - 180 | 350,739 (100.0%) | 2243 (0.6%) | 348,496 (99.4%) | ||
3 | 180 - 270 | 419353 (100.0%) | 2033 (0.5%) | 417,320 (99.5%) | ||
4 | 270 - 360 | 304,522 (100.0%) | 3273 (1.1%) | 301,249 (98.9%) | ||
Terrain curvature | 1 | −81/−1.50 (concave) | 143,594 (100.0%) | 1482 (1.0%) | 142,112 (99.0%) | |
2 | −1.50/1.50 (flat) | 1,228,190 (100.0%) | 8614 (0.7%) | 1,219,576 (99.3%) | ||
3 | 1.50/66 (convex) | 148,666 (100.0%) | 1109 (0.7%) | 147,557 (99.3%) | ||
Pluviometry (mm) | 1 | 93 - 102 | 117,924 (100.0%) | 948 (0.8%) | 116,976 (99.2%) | |
2 | 102 - 115 | 496,469 (100.0%) | 3730 (0.8%) | 492,739 (99.3%) | ||
3 | 115 - 128 | 310,874 (100.0%) | 2427 (0.8%) | 308,447 (99.2%) | ||
4 | 128 - 157 | 595,183 (100.0%) | 4100 (0.7%) | 591,083 (99.3% | ||
Land use | 1 | Artificial surfaces | 12,986 (100.0%) | 148 (1.1%) | 12,838 (98.9%) | |
2 | Permanent crops | 189,538 (100.0%) | 332 (0.2%) | 189,206 (99.8%) | ||
3 | Agricoltural areas | 118,367 (100.0%) | 1037 (0.9%) | 117,330 (99.1%) | ||
4 | Forests | 797,509 (100.0%) | 6129 (0.8%) | 791,380 (99.2%) |