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Table 4 CRa, SCb, and CSCc of DIDd and geohazards for each terrain group in Japan

From: Global terrain classification using 280 m DEMs: segmentation, clustering, and reclassification

  All Japan DID Dangerous zones for the sediment disaster hazard area Historic liquefaction
Collapse Landslide Debris flow Center point (745 A.D. to 2008 A.D.) Polygon (after WW2)
Terrain group CR (%) CR (%) SC CR (%) CSC CR (%) CSC CR (%) CSC CR (%) SC CR (%) SC
1a 13.2 0.1 0.0 5.3 5.7 11.0 11.9 3.9 4.3 0.0 0.0 0.0 0.0
1b 2.6 0.1 0.0 1.0 7.3 2.1 16.0 1.5 11.0 0.0 0.0 0.0 0.0
2a 31.9 1.0 0.0 32.4 1.0 43.5 1.3 33.3 1.0 0.1 0.0 0.1 0.0
2b 4.0 0.5 0.1 3.4 1.9 7.7 4.2 4.5 2.5 0.0 0.0 0.0 0.0
3a 20.6 8.2 0.4 37.9 0.2 24.6 0.1 40.1 0.2 4.1 0.2 1.1 0.1
3b 9.6 7.7 0.8 12.9 0.2 10.0 0.1 9.7 0.1 9.2 1.0 4.0 0.4
4 0.3 0.0 0.0 0.1 44.0 0.1 60.8 1.0 402.9 0.0 0.0 0.0 0.0
5 0.6 0.5 0.8 0.5 1.7 0.2 0.6 2.5 8.5 0.0 0.1 0.0 0.0
6 6.5 23.0 3.5 4.7 0.0 0.6 0.0 1.7 0.0 17.6 2.7 9.0 1.4
7 1.2 3.9 3.3 0.9 0.2 0.2 0.0 1.4 0.3 1.3 1.1 0.4 0.3
8 4.6 34.3 7.5 0.6 0.0 0.1 0.0 0.2 0.0 34.4 7.5 29.9 6.6
9 1.1 3.1 2.9 0.2 0.1 0.1 0.0 0.2 0.1 0.2 0.2 0.7 0.6
10 1.4 6.3 4.6 0.1 0.0 0.0 0.0 0.0 0.0 29.0 21.1 12.8 9.3
11 2.2 9.5 4.3 0.0 0.0 0.0 0.0 0.0 0.0 3.7 1.7 34.9 15.8
12 0.4 1.9 5.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.7 7.2 19.0
  1. aComposition ratio
  2. bspecialization coefficient
  3. cspecialization coefficient corrected by the composition ratio of units in the DID area of terrain groups
  4. dDensely inhabited districts