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