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

Paulsen, J. / Körner, C. (2014): A climate-based model to predict potential treeline position around the globe. Alpine Botany, 124:1, 1-12. doi:10.1007/s00035-014-0124-0.

Author: O.Conrad, L.Landschreiber (c) 2016
Menu: Simulation|Soil Hydrology

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Mean Temperature	Grid list, input	`T`	-	-
	Minimum Temperature	Grid list, input	`TMIN`	-	-
	Maximum Temperature	Grid list, input	`TMAX`	-	-
	Precipitation	Grid list, input	`P`	-	-
	Soil Water Capacity of Profile (*)	Grid, input, optional	`SWC`	Total soil water capacity (mm H2O).	-
Output	Snow Depth (*)	Grids, output, optional	`SNOW`	-	-
	Evapotranspiration (*)	Grids, output, optional	`ETP`	-	-
	Soil Water (Upper Layer) (*)	Grids, output, optional	`SW_0`	-	-
	Soil Water (Lower Layer) (*)	Grids, output, optional	`SW_1`	-	-
Options	Grid System	Grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Default	Floating point	`SWC_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 220.000000
	Top Soil Water Capacity	Floating point	`SWC_SURFACE`	-	Minimum: 0.000000 Default: 10.000000
	Transpiration Resistance	Floating point	`SW1_RESIST`	-	Minimum: 0.010000 Default: 1.000000
	Default Latitude	Floating point	`LAT_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: 10.000000
  -SW1_RESIST:<double> 	Transpiration Resistance
	Floating point
	Minimum: 0.010000
	Default: 1.000000
  -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