# Topographic Wetness Index (TWI)

O.Conrad (c) 2003

## 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