SAGA-GIS Tool Library Documentation (v7.8.2)

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, inputELEVdigital elevation model-
SeedsGrid, inputSEEDSseed cells coded with local water depth or absolute water level, all other cells NoData-
OutputLakeGrid, outputOUTDEPTHextent of lake, coded with water depth-
SurfaceGrid, outputOUTLEVELFlooded 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