Soil Water Balance (Annual)

Author(s)	O.Conrad, L.Landschreiber (c) 2016
Library ID	climate_tools
Tool ID	20
Version	1.0
Menu	Simulation \| Soil Hydrology

Description

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

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	grid collection, output, optional	`SNOW`	-	-
	Evapotranspiration	grid collection, output, optional	`ETP`	-	-
	Soil Water (Upper Layer)	grid collection, output, optional	`SW_0`	-	-
	Soil Water (Lower Layer)	grid collection, output, optional	`SW_1`	-	-
Options	Grid System	grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	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: 10.000000
	Transpiration Resistance	floating point number	`SW1_RESIST`	-	Minimum: 0.010000 Default: 1.000000
	Default Latitude	floating point number	`LAT_DEF`	-	Minimum: -90.000000 Maximum: 90.000000 Default: 0.000000

Command Line


Usage: saga_cmd climate_tools 20 [-T ] [-TMIN ] [-TMAX ] [-P ] [-SWC ] [-SWC_DEFAULT ] [-SWC_SURFACE ] [-SW1_RESIST ] [-LAT_DEF ] [-SNOW ] [-ETP ] [-SW_0 ] [-SW_1 ]
  -T:                Mean Temperature
	grid list, input
  -TMIN:             Minimum Temperature
	grid list, input
  -TMAX:             Maximum Temperature
	grid list, input
  -P:                Precipitation
	grid list, input
  -SWC:              Soil Water Capacity of Profile
	grid, input, optional
  -SWC_DEFAULT:   Default
	floating point number
	Minimum: 0.000000
	Default: 220.000000
  -SWC_SURFACE:   Top Soil Water Capacity
	floating point number
	Minimum: 0.000000
	Default: 10.000000
  -SW1_RESIST:    Transpiration Resistance
	floating point number
	Minimum: 0.010000
	Default: 1.000000
  -LAT_DEF:
                          Default Latitude
                          	floating point number
                          	Minimum: -90.000000
                          	Maximum: 90.000000
                          	Default: 0.000000
  -SNOW:             Snow Depth
	grid collection, output, optional
  -ETP:              Evapotranspiration
	grid collection, output, optional
  -SW_0:             Soil Water (Upper Layer)
	grid collection, output, optional
  -SW_1:             Soil Water (Lower Layer)
	grid collection, output, optional