Topographic Wetness Index (TWI)

Parameters

Grid system

Grid system

Grid system

Slope

Input Grid

Catchment Area

Input Grid

Transmissivity

Input Grid

Topographic Wetness Index

Output Grid

Area Conversion

Choice

Available choices: no conversion (areas already given as specific catchment area), 1 / cell size (pseudo specific catchment area)

Method (TWI)

Choice

Available choices: Standard, TOPMODEL