SAGA-GIS Tool Library Documentation (v6.1.0)

Tool Lake Flood

This tool can be used to flood a digital elevation model from seed points. Seed points have to be coded either with local water depth or absolute water level.

Parameters

 NameTypeIdentifierDescriptionConstraints
InputDEMGrid (input)ELEVdigital elevation model-
SeedsGrid (input)SEEDSseed cells coded with local water depth or absolute water level, all other cells NoData-
OutputLakeGrid (output)OUTDEPTHextent of lake, coded with water depth-
SurfaceGrid (output)OUTLEVELFlooded digital elevation model-
OptionsGrid systemGrid systemPARAMETERS_GRID_SYSTEM--
Absolute Water LevelsBooleanLEVELcheck this in case seed cells are coded with absolute water levelDefault: 0

Command-line

Usage: saga_cmd ta_hydrology 16 [-ELEV <str>] [-SEEDS <str>] [-LEVEL <str>] [-OUTDEPTH <str>] [-OUTLEVEL <str>]
  -ELEV:<str>    	DEM
	Grid (input)
  -SEEDS:<str>   	Seeds
	Grid (input)
  -LEVEL:<str>   	Absolute Water Levels
	Boolean
	Default: 0
  -OUTDEPTH:<str>	Lake
	Grid (output)
  -OUTLEVEL:<str>	Surface
	Grid (output)