Tool Name	Compound Hydrologic Terrain Analysis
Tool ID	2
Library ID	ta_compound
Version	1.0
Author(s)	O.Conrad (c) 2024

Description

A one-step tool for the creation of selected terrain parameters related to hydrology.For details look at the description of the tools used for processing:

[ta_preproc] Sink Removal
[ta_preproc] Fill Sinks (Wang & Liu)
[ta_preproc] Breach Depressions
[ta_hydrology] Flow Accumulation (Top-Down)
[ta_hydrology] Flow Accumulation (Flow Tracing)
[ta_hydrology] Topographic Wetness Index
[ta_hydrology] SAGA Wetness Index
[ta_hydrology] LS Factor
[ta_hydrology] CIT

Parameters

Name	Type	Identifier	Description	Constraints
Input
Elevation	grid, input	ELEVATION
Output
Closed Depressions	grid, output, optional	SINKS
Total Catchment Area	grid, output	TCA
Specific Catchment Area	grid, output	SCA
Topographic Wetness Index	grid, output	TWI
SAGA Topographic Wetness Index	grid, output	TWI_SAGA
LS Factor	grid, output	LS
Stream Power Index	grid, output	SPI
Channel Initiation Threshold	grid, output	CIT
Options
Preprocessing	choice	METHOD_PREPROC		Available Choices: [0] Sink Removal [1] Fill Sinks (Wang & Liu) [2] Breach Depressions [3] none Default: 0
Flow Accumulation	choice	METHOD_FLOWACC	Algorithm used to calculate total catchment area.	Available Choices: [0] Deterministic 8 [1] Rho 8 [2] Deterministic Infinity [3] Multiple Flow Direction [4] Multiple Triangular Flow Direction [5] Multiple Maximum Downslope Gradient Based Flow Direction [6] Kinematic Routing Algorithm [7] DEMON Default: 3
LS Factor	choice	METHOD_LS		Available Choices: [0] Moore et al. 1991 [1] Desmet & Govers 1996 [2] Boehner & Selige 2006 Default: 0