Module Overland Flow - Kinematic Wave D8
Overland Flow - Kinematic Wave D8
Reference:
Johnson, D.L., Miller, A.C. (1997): A spatially distributed hydrological model utilizing raster data structures, Computers & Geosciences, Vol.23, No.3, pp.267-272
- Author: O. Conrad (c) 2003
 
- Specification: grid
 
- Menu: Simulation|Hydrology
 
Parameters
|   | Name | Type | Identifier | Description | Constraints | 
| Input | Elevation | Grid (input) | DEM | - | - | 
 | Gauges (*) | Shapes (optional input) | GAUGES | - | - | 
| Output | Runoff | Grid (output) | FLOW | - | - | 
 | Flow at Gauges (*) | Table (optional output) | GAUGES_FLOW | - | - | 
| Options | Simulation Time [h] | Floating point | TIME_SPAN | - | Minimum: 0.000000 Default: 24.000000 | 
 | Simulation Time Step [h] | Floating point | TIME_STEP | - | Minimum: 0.000000 Default: 0.100000 | 
 | Manning's Roughness | Floating point | ROUGHNESS | - | Minimum: 0.000000 Default: 0.030000 | 
 | Max. Iterations | Integer | NEWTON_MAXITER | - | Minimum: 1 Default: 100 | 
 | Epsilon | Floating point | NEWTON_EPSILON | - | Minimum: 0.000000 Default: 0.000100 | 
 | Precipitation | Choice | PRECIP | Kind of initializing Precipitation Event | Available Choices: [0] Homogenous [1] Above Elevation [2] Left Half Default: 0 | 
 | Threshold Elevation | Floating point | THRESHOLD | - | Default: 0.000000 | 
| (*) optional | 
Command-line
Usage: saga_cmd sim_hydrology 1 -DEM <str> [-FLOW <str>] [-GAUGES <str>] [-GAUGES_FLOW <str>] [-TIME_SPAN <str>] [-TIME_STEP <str>] [-ROUGHNESS <str>] [-NEWTON_MAXITER <num>] [-NEWTON_EPSILON <str>] [-PRECIP <str>] [-THRESHOLD <str>]
  -DEM:<str>           	Elevation
	Grid (input)
  -FLOW:<str>          	Runoff
	Grid (output)
  -GAUGES:<str>        	Gauges
	Shapes (optional input)
  -GAUGES_FLOW:<str>   	Flow at Gauges
	Table (optional output)
  -TIME_SPAN:<str>     	Simulation Time [h]
	Floating point
	Minimum: 0.000000
	Default: 24.000000
  -TIME_STEP:<str>     	Simulation Time Step [h]
	Floating point
	Minimum: 0.000000
	Default: 0.100000
  -ROUGHNESS:<str>     	Manning's Roughness
	Floating point
	Minimum: 0.000000
	Default: 0.030000
  -NEWTON_MAXITER:<num>	Max. Iterations
	Integer
	Minimum: 1
	Default: 100
  -NEWTON_EPSILON:<str>	Epsilon
	Floating point
	Minimum: 0.000000
	Default: 0.000100
  -PRECIP:<str>        	Precipitation
	Choice
	Available Choices:
	[0] Homogenous
	[1] Above Elevation
	[2] Left Half
	Default: 0
  -THRESHOLD:<str>     	Threshold Elevation
	Floating point
	Default: 0.000000