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Table 1 Data used in present study

From: Landslide hazard zonation mapping using frequency ratio and fuzzy logic approach, a case study of Lachung Valley, Sikkim

Data type

Sensor

Scale

Data derivative

Image data

IRS LISS-IV

5.6 × 5.6 m grid

Land/use Land/cover

ASTER

15 m × 15 m grid

Photo-lineament

Landsat ETM+

30 m × 30 m grid

Landslide inventory

DEM

Cartosat 1

2.5 m × 2.5 m grid

Slope

Aspect

Relative Relief

Drainage

Ancillary data

Published geological map (GSI)

1: 50,000

Geology map

Published soil map

1: 50,000

Soil map

Published topographic map (SOI)

1: 50,000

Topographic map

Historical landslide inventory

1: 50,000

Landslide Inventory