Tool Soil Water Balance (Days)

A Simple Soil Water Balance Model

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. online.

Author: O.Conrad (c) 2019
Menu: Simulation|Soil Hydrology

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Mean Temperature	grid list, input	`TAVG`	-	-
	Minimum Temperature	grid list, input	`TMIN`	-	-
	Maximum Temperature	grid list, input	`TMAX`	-	-
	Precipitation	grid list, input	`PSUM`	-	-
	Latitude (*)	grid, input, optional	`LAT_GRID`	-	-
	Soil Water Capacity of Profile (*)	grid, input, optional	`SWC`	Total soil water capacity (mm H2O).	-
Output	Snow Depth	grid, output	`SNOW`	-	-
	Soil Water (Upper Layer)	grid, output	`SW_0`	-	-
	Soil Water (Lower Layer)	grid, output	`SW_1`	-	-
Options	Grid System	grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Default Latitude	floating point number	`LAT_CONST`	-	Minimum: -90.000000 Maximum: 90.000000 Default: 50.000000
	Default	floating point number	`SWC_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 220.000000
	Top Soil Water Capacity	floating point number	`SWC_SURFACE`	-	Minimum: 0.000000 Default: 30.000000
	Transpiration Resistance	floating point number	`SWT_RESIST`	-	Minimum: 0.010000 Default: 0.500000
	Reset	boolean	`RESET`	-	Default: 1
	Start Day	date	`DAY`	-	Default: 2023-10-06
(*) optional

Command-line

Usage: saga_cmd climate_tools 24 [-TAVG <str>] [-TMIN <str>] [-TMAX <str>] [-PSUM <str>] [-SNOW <str>] [-SW_0 <str>] [-SW_1 <str>] [-LAT_GRID <str>] [-LAT_CONST <double>] [-SWC <str>] [-SWC_DEFAULT <double>] [-SWC_SURFACE <double>] [-SWT_RESIST <double>] [-RESET <str>] [-DAY <date>]
  -TAVG:<str>          	Mean Temperature
	grid list, input
  -TMIN:<str>          	Minimum Temperature
	grid list, input
  -TMAX:<str>          	Maximum Temperature
	grid list, input
  -PSUM:<str>          	Precipitation
	grid list, input
  -SNOW:<str>          	Snow Depth
	grid, output
  -SW_0:<str>          	Soil Water (Upper Layer)
	grid, output
  -SW_1:<str>          	Soil Water (Lower Layer)
	grid, output
  -LAT_GRID:<str>      	Latitude
	grid, input, optional
  -LAT_CONST:<double>  	Default Latitude
	floating point number
	Minimum: -90.000000
	Maximum: 90.000000
	Default: 50.000000
  -SWC:<str>           	Soil Water Capacity of Profile
	grid, input, optional
  -SWC_DEFAULT:<double>	Default
	floating point number
	Minimum: 0.000000
	Default: 220.000000
  -SWC_SURFACE:<double>	Top Soil Water Capacity
	floating point number
	Minimum: 0.000000
	Default: 30.000000
  -SWT_RESIST:<double> 	Transpiration Resistance
	floating point number
	Minimum: 0.010000
	Default: 0.500000
  -RESET:<str>         	Reset
	boolean
	Default: 1
  -DAY:<date>          	Start Day
	date
	Default: 2023-10-06