Application of Analytical Hierarchy Process (AHP) and Frequency Ratio (FR) Model in Assessing Landslide Susceptibility and Risk - Semi-quantitative Approaches for Landslide Assessment and Prediction - page 217

Table 7.10 Comparative study between landslide triggering factors and landslide hazard risk zones
Hazard
risk class

Lithology Slope Aspect Curvature Drainage

density
(km/km 2 )

U.C.A
(km 2 )

Settlement
density

R.C.A. Land use/

land cover

Location

Very high Gneiss/mica-

schist

45 ° - 70 ° North/

east/
south

High Positive/
high negative

5 - 6.5 >10 >1.25 High Degraded

forest and
settlement
(20.11 and
12.55)

Lower pag-
lajhora /shi-
viter /
Tindharia

High Quatzite

schist, phyllite

30 ° - 45 ° NE/SE Moderate

positive/
negative

3.5 - 5.5
and more
than 8

5 - 10 0.5 - 1.25 Moderate

to high

Road/mixed
and open
forest

/Gayabari/
14 miles bu-
stee/Nur-
bong T.E
Mahanadi/

Moderate Soft sand-

stone, shale

20 ° - 30 ° Flat Low 2.00 3.50 <5 0.25 0.50 Low Jungle Giddapahar/

upper
paglajhora

- -

<20 ° Low Conglomerate/

shale/
sandstone

NW Around (0) <2.00 <5 <0.25 Low Dense forest Marginal/

mid-central
part

UCA Upslope contributing area; RCA Road contributing area