Soil Water Balance (Annual)
- Author: O.Conrad, L.Landschreiber (c) 2016
- 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. / K_rner, 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