SAGA-GIS Tool Library Documentation (v7.8.2)

Tool Diffuse Pollution Risk

Diffuse Pollution Risk Mapping.
This tool tries to reproduce in parts the methodology of the SCIMAP - Diffuse Pollution Risk Mapping - Framework.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationGrid, inputDEM--
Channel Network (*)Grid, input, optionalCHANNEL--
Land Cover Weights (*)Grid, input, optionalWEIGHT--
Rainfall (*)Grid, input, optionalRAIN--
OutputDelivery IndexGrid, outputDELIVERY--
Locational RiskGrid, outputRISK_POINT--
Diffuse Pollution RiskGrid, outputRISK_DIFFUSE--
OptionsGrid SystemGrid systemPARAMETERS_GRID_SYSTEM--
DefaultFloating pointWEIGHT_DEFAULTdefault value if no grid has been selectedMinimum: 0.000000
Default: 1.000000
DefaultFloating pointRAIN_DEFAULTdefault value if no grid has been selectedMinimum: 0.000000
Default: 500.000000
Flow RoutingChoiceMETHOD-Available Choices:
[0] D8
[1] MFD
Default: 1
Channel Initiation ThresholdIntegerCHANNEL_STARTminimum number of upslope contributing cells to start a channelMinimum: 1
Default: 150
(*) optional

Command-line

Usage: saga_cmd sim_hydrology 4 [-DEM <str>] [-CHANNEL <str>] [-WEIGHT <str>] [-WEIGHT_DEFAULT <double>] [-RAIN <str>] [-RAIN_DEFAULT <double>] [-DELIVERY <str>] [-RISK_POINT <str>] [-RISK_DIFFUSE <str>] [-METHOD <str>] [-CHANNEL_START <num>]
  -DEM:<str>              	Elevation
	Grid, input
  -CHANNEL:<str>          	Channel Network
	Grid, input, optional
  -WEIGHT:<str>           	Land Cover Weights
	Grid, input, optional
  -WEIGHT_DEFAULT:<double>	Default
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -RAIN:<str>             	Rainfall
	Grid, input, optional
  -RAIN_DEFAULT:<double>  	Default
	Floating point
	Minimum: 0.000000
	Default: 500.000000
  -DELIVERY:<str>         	Delivery Index
	Grid, output
  -RISK_POINT:<str>       	Locational Risk
	Grid, output
  -RISK_DIFFUSE:<str>     	Diffuse Pollution Risk
	Grid, output
  -METHOD:<str>           	Flow Routing
	Choice
	Available Choices:
	[0] D8
	[1] MFD
	Default: 1
  -CHANNEL_START:<num>    	Channel Initiation Threshold
	Integer
	Minimum: 1
	Default: 150