Tool Name	Flow Accumulation
Tool ID	flow_accumulation
Library ID	ta_hydrology
Version	1.0
Author(s)	O.Conrad (c) 2019

Description

This is a simple to use one step tool to derive flow accumulation from a Digital Terrain Model. It includes a preprocessing followed by a call to 'Flow Accumulation (Top-Down) exposing only the most important options.

Parameters

Name	Type	Identifier	Description	Constraints
Input
Elevation	grid, input	DEM
Output
Flow Accumulation	grid, output	TCA	The flow accumulation, a.k.a. Total Catchment Area (TCA)
Specific Catchment Area	grid, output, optional	SCA
Options
Preprocessing	choice	PREPROCESSING		Available Choices: [0] Fill Sinks (Wang & Liu) [1] Sink Removal Default: 0
Flow Routing	choice	FLOW_ROUTING		Available Choices: [0] Deterministic 8 [1] Rho 8 [2] Braunschweiger Reliefmodell [3] Deterministic Infinity [4] Multiple Flow Direction [5] Multiple Triangular Flow Direction [6] Multiple Maximum Downslope Gradient Based Flow Direction Default: 0