Criterion layer

Index layer

Weight of AHP method

variable coefficient

Comprehensive weight

Normalized weight

elevation

0.07321

0.4192

0.03069

0.03839

Terrain factor

slope

0.03301

0.55423

0.0183

0.02289

Aspect

0.04118

0.33303

0.01371

0.01715

Fluctuation degree

0.06069

0.52518

0.03187

0.03987

Water system factor

Water buffer zone

0.22403

0.9064

0.20306

0.25403

Vegetation factor

Vegetation coverage (NDVI)

0.15357

0.96789

0.14864

0.18595

soil types

0.11143

1.14028

0.12706

0.15896

Human activity factor

Road buffer zone

0.30288

0.74622

0.22602

0.28276