SAGA-GIS Tool Library Documentation (v7.8.2)

Tool Soil Water Balance (Annual)

This tool calculates the water balance for the selected position on a daily basis. Needed input is monthly data of mean, minimum, and maximum temperature as well as precipitation.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputMean TemperatureGrid list, inputT--
Minimum TemperatureGrid list, inputTMIN--
Maximum TemperatureGrid list, inputTMAX--
PrecipitationGrid list, inputP--
Soil Water Capacity of Profile (*)Grid, input, optionalSWCTotal soil water capacity (mm H2O).-
OutputSnow Depth (*)Grids, output, optionalSNOW--
Evapotranspiration (*)Grids, output, optionalETP--
Soil Water (Upper Layer) (*)Grids, output, optionalSW_0--
Soil Water (Lower Layer) (*)Grids, output, optionalSW_1--
OptionsGrid SystemGrid systemPARAMETERS_GRID_SYSTEM--
DefaultFloating pointSWC_DEFAULTdefault value if no grid has been selectedMinimum: 0.000000
Default: 220.000000
Top Soil Water CapacityFloating pointSWC_SURFACE-Minimum: 0.000000
Default: 30.000000
Transpiration ResistanceFloating pointSW1_RESIST-Minimum: 0.010000
Default: 0.500000
Default LatitudeFloating pointLAT_DEF-Minimum: -90.000000
Maximum: 90.000000
Default: 0.000000
(*) optional

Command-line

Usage: saga_cmd climate_tools 20 [-T <str>] [-TMIN <str>] [-TMAX <str>] [-P <str>] [-SWC <str>] [-SWC_DEFAULT <double>] [-SWC_SURFACE <double>] [-SW1_RESIST <double>] [-LAT_DEF <double>] [-SNOW <str>] [-ETP <str>] [-SW_0 <str>] [-SW_1 <str>]
  -T:<str>             	Mean Temperature
	Grid list, input
  -TMIN:<str>          	Minimum Temperature
	Grid list, input
  -TMAX:<str>          	Maximum Temperature
	Grid list, input
  -P:<str>             	Precipitation
	Grid list, input
  -SWC:<str>           	Soil Water Capacity of Profile
	Grid, input, optional
  -SWC_DEFAULT:<double>	Default
	Floating point
	Minimum: 0.000000
	Default: 220.000000
  -SWC_SURFACE:<double>	Top Soil Water Capacity
	Floating point
	Minimum: 0.000000
	Default: 30.000000
  -SW1_RESIST:<double> 	Transpiration Resistance
	Floating point
	Minimum: 0.010000
	Default: 0.500000
  -LAT_DEF:<double>    	Default Latitude
	Floating point
	Minimum: -90.000000
	Maximum: 90.000000
	Default: 0.000000
  -SNOW:<str>          	Snow Depth
	Grids, output, optional
  -ETP:<str>           	Evapotranspiration
	Grids, output, optional
  -SW_0:<str>          	Soil Water (Upper Layer)
	Grids, output, optional
  -SW_1:<str>          	Soil Water (Lower Layer)
	Grids, output, optional