Tool Overland Flow

A simple overland flow simulation.

Author: O.Conrad (c) 2020
Menu: Simulation|Hydrology

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Elevation	Grid, input	`DEM`	-	-
	Manning Roughness (*)	Grid, input, optional	`ROUGHNESS`	-	-
	Interception Capacity [mm] (*)	Grid, input, optional	`INTER_MAX`	-	-
	Ponding Capacity [mm] (*)	Grid, input, optional	`POND_MAX`	-	-
	Infiltration Capacity [mm/h] (*)	Grid, input, optional	`INFIL_MAX`	-	-
	Precipitation [mm/h] (*)	Grid, input, optional	`PRECIP`	-	-
	Potential Evapotranspiration [mm/h] (*)	Grid, input, optional	`ET_POT`	-	-
Output	Interception [mm]	Grid, output	`INTERCEPT`	-	-
	Ponding [mm]	Grid, output	`PONDING`	-	-
	Infiltration [mm]	Grid, output	`INFILTRAT`	-	-
	Flow [mm]	Grid, output	`FLOW`	-	-
	Velocity [m/s] (*)	Grid, output, optional	`VELOCITY`	-	-
Options	Grid System	Grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Default	Floating point	`ROUGHNESS_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 0.030000
	Default	Floating point	`INTER_MAX_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 0.000000
	Default	Floating point	`POND_MAX_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 0.000000
	Default	Floating point	`INFIL_MAX_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 0.000000
	Weather Grid System	Grid system	`WEATHER`	-	-
	Default	Floating point	`PRECIP_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 0.000000
	Default	Floating point	`ET_POT_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 0.000000
	Reset	Boolean	`RESET`	If checked storages (flow, ponding, interception) and sinks (infiltration) will be set to zero.	Default: 1
	Simulation Time [h]	Floating point	`TIME_STOP`	Simulation time in hours.	Minimum: 0.000000 Default: 6.000000
	Time Step Adjustment	Floating point	`TIME_STEP`	Choosing a lower value will result in a better numerical precision but also in a longer calculation time.	Minimum: 0.010000 Maximum: 1.000000 Default: 0.500000
	Map Update Frequency [min]	Floating point	`TIME_UPDATE`	-	Minimum: 0.000000 Default: 1.000000
(*) optional

Command-line

Usage: saga_cmd sim_hydrology 9 [-DEM <str>] [-ROUGHNESS <str>] [-ROUGHNESS_DEFAULT <double>] [-INTER_MAX <str>] [-INTER_MAX_DEFAULT <double>] [-POND_MAX <str>] [-POND_MAX_DEFAULT <double>] [-INFIL_MAX <str>] [-INFIL_MAX_DEFAULT <double>] [-INTERCEPT <str>] [-PONDING <str>] [-INFILTRAT <str>] [-FLOW <str>] [-VELOCITY <str>] [-PRECIP <str>] [-PRECIP_DEFAULT <double>] [-ET_POT <str>] [-ET_POT_DEFAULT <double>] [-RESET <str>] [-TIME_STOP <double>] [-TIME_STEP <double>] [-TIME_UPDATE <double>]
  -DEM:<str>                 	Elevation
	Grid, input
  -ROUGHNESS:<str>           	Manning Roughness
	Grid, input, optional
  -ROUGHNESS_DEFAULT:<double>	Default
	Floating point
	Minimum: 0.000000
	Default: 0.030000
  -INTER_MAX:<str>           	Interception Capacity [mm]
	Grid, input, optional
  -INTER_MAX_DEFAULT:<double>	Default
	Floating point
	Minimum: 0.000000
	Default: 0.000000
  -POND_MAX:<str>            	Ponding Capacity [mm]
	Grid, input, optional
  -POND_MAX_DEFAULT:<double> 	Default
	Floating point
	Minimum: 0.000000
	Default: 0.000000
  -INFIL_MAX:<str>           	Infiltration Capacity [mm/h]
	Grid, input, optional
  -INFIL_MAX_DEFAULT:<double>	Default
	Floating point
	Minimum: 0.000000
	Default: 0.000000
  -INTERCEPT:<str>           	Interception [mm]
	Grid, output
  -PONDING:<str>             	Ponding [mm]
	Grid, output
  -INFILTRAT:<str>           	Infiltration [mm]
	Grid, output
  -FLOW:<str>                	Flow [mm]
	Grid, output
  -VELOCITY:<str>            	Velocity [m/s]
	Grid, output, optional
  -PRECIP:<str>              	Precipitation [mm/h]
	Grid, input, optional
  -PRECIP_DEFAULT:<double>   	Default
	Floating point
	Minimum: 0.000000
	Default: 0.000000
  -ET_POT:<str>              	Potential Evapotranspiration [mm/h]
	Grid, input, optional
  -ET_POT_DEFAULT:<double>   	Default
	Floating point
	Minimum: 0.000000
	Default: 0.000000
  -RESET:<str>               	Reset
	Boolean
	Default: 1
  -TIME_STOP:<double>        	Simulation Time [h]
	Floating point
	Minimum: 0.000000
	Default: 6.000000
  -TIME_STEP:<double>        	Time Step Adjustment
	Floating point
	Minimum: 0.010000
	Maximum: 1.000000
	Default: 0.500000
  -TIME_UPDATE:<double>      	Map Update Frequency [min]
	Floating point
	Minimum: 0.000000
	Default: 1.000000