Air Pressure Adjustment
- Author: O.Conrad (c) 2020
- Menu: Climate and Weather | Climate Variables
Description
This tool adjusts air pressure values to the elevation using the barometric formula. Default values refer to the international standard atmosphere. 
Parameters
|  | Name | Type | Identifier | Description | Constraints | 
|---|
| Input | Air Pressure | grid, input, optional | P | [hPa] | - | 
| Air Pressure Elevation | grid, input, optional | Z | [m] | - | 
| Temperature | grid, input, optional | T | [Celsius] | - | 
| Temperature Lapse Rate | grid, input, optional | L | [K/m] | - | 
| Elevation | grid, input | DEM | [m] | - | 
| Output | Adjusted Air Pressure | grid, output | P_ADJ | - | - | 
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - | 
| Grid system | grid system | P_GRIDSYSTEM | - | - | 
| Default | floating point number | P_DEFAULT | default value if no grid has been selected | Default: 1013.250000 | 
| Grid system | grid system | Z_GRIDSYSTEM | - | - | 
| Default | floating point number | Z_DEFAULT | default value if no grid has been selected | Default: 0.000000 | 
| Grid system | grid system | T_GRIDSYSTEM | - | - | 
| Default | floating point number | T_DEFAULT | default value if no grid has been selected | Default: 0.000000 | 
| Grid system | grid system | L_GRIDSYSTEM | - | - | 
| Default | floating point number | L_DEFAULT | default value if no grid has been selected | Default: 0.006500 | 
Command Line
Usage: saga_cmd climate_tools 27 [-P ] [-P_DEFAULT ] [-Z ] [-Z_DEFAULT ] [-T ] [-T_DEFAULT ] [-L ] [-L_DEFAULT ] [-DEM ] [-P_ADJ ]
  -P:           	Air Pressure
	grid, input, optional
  -P_DEFAULT:	Default
	floating point number
	Default: 1013.250000
  -Z:           	Air Pressure Elevation
	grid, input, optional
  -Z_DEFAULT:	Default
	floating point number
	Default: 0.000000
  -T:           	Temperature
	grid, input, optional
  -T_DEFAULT:	Default
	floating point number
	Default: 0.000000
  -L:           	Temperature Lapse Rate
	grid, input, optional
  -L_DEFAULT:	Default
	floating point number
	Default: 0.006500
  -DEM:         	Elevation
	grid, input
  -P_ADJ:       	Adjusted Air Pressure
	grid, output