Air Humidity Conversions

Author: O.Conrad (c) 2021
Menu: Climate and Weather | Climate Variables

Description

Conversions of air moisture content between various units.

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Temperature	grid, input, optional	`T`	[Celsius]	-
	Air Pressure	grid, input, optional	`P`	[hPa]	-
	Vapor Pressure	grid, input, optional	`IN_VP`	[hPa]	-
	Specific Humidity	grid, input, optional	`IN_SH`	[g/kg]	-
	Relative Humidity	grid, input, optional	`IN_RH`	[%]	-
	Dew Point	grid, input, optional	`IN_DP`	[Celsius]	-
Output	Saturation Pressure	grid, output, optional	`OUT_VPSAT`	[hPa]	-
	Vapor Pressure	grid, output, optional	`OUT_VP`	[hPa]	-
	Vapor Pressure Deficit	grid, output, optional	`OUT_VPDIF`	[hPa]	-
	Relative Humidity	grid, output, optional	`OUT_RH`	[%]	-
	Specific Humidity	grid, output, optional	`OUT_SH`	[g/kg]	-
	Dew Point	grid, output, optional	`OUT_DP`	[Celsius]	-
	Dew Point Difference	grid, output, optional	`OUT_DPDIF`	[Celsius]	-
Options	Grid System	grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Default	floating point number	`T_DEFAULT`	default value if no grid has been selected	Minimum: -273.150000 Default: 25.000000
	Default	floating point number	`P_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 1013.250000
	Default	floating point number	`IN_VP_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 15.000000
	Default	floating point number	`IN_SH_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Default: 10.000000
	Default	floating point number	`IN_RH_DEFAULT`	default value if no grid has been selected	Minimum: 0.000000 Maximum: 100.000000 Default: 50.000000
	Default	floating point number	`IN_DP_DEFAULT`	default value if no grid has been selected	Minimum: -273.150000 Default: 14.000000
	Conversion from...	choice	`CONVERSION`	-	Available Choices: [0] Vapor Pressure [1] Specific Humidity [2] Relative Humidity [3] Dew Point Default: 0
	Saturation Pressure	choice	`VPSAT_METHOD`	Formula used to estimate vapor pressure at saturation.	Available Choices: [0] Magnus [1] Lowe & Ficke Default: 0

Command Line

Usage: saga_cmd climate_tools 29 [-T ] [-T_DEFAULT ] [-P ] [-P_DEFAULT ] [-IN_VP ] [-IN_VP_DEFAULT ] [-IN_SH ] [-IN_SH_DEFAULT ] [-IN_RH ] [-IN_RH_DEFAULT ] [-IN_DP ] [-IN_DP_DEFAULT ] [-OUT_VPSAT ] [-OUT_VP ] [-OUT_VPDIF ] [-OUT_RH ] [-OUT_SH ] [-OUT_DP ] [-OUT_DPDIF ] [-CONVERSION ] [-VPSAT_METHOD ]
  -T:               	Temperature
	grid, input, optional
  -T_DEFAULT:    	Default
	floating point number
	Minimum: -273.150000
	Default: 25.000000
  -P:               	Air Pressure
	grid, input, optional
  -P_DEFAULT:    	Default
	floating point number
	Minimum: 0.000000
	Default: 1013.250000
  -IN_VP:           	Vapor Pressure
	grid, input, optional
  -IN_VP_DEFAULT:	Default
	floating point number
	Minimum: 0.000000
	Default: 15.000000
  -IN_SH:           	Specific Humidity
	grid, input, optional
  -IN_SH_DEFAULT:	Default
	floating point number
	Minimum: 0.000000
	Default: 10.000000
  -IN_RH:           	Relative Humidity
	grid, input, optional
  -IN_RH_DEFAULT:	Default
	floating point number
	Minimum: 0.000000
	Maximum: 100.000000
	Default: 50.000000
  -IN_DP:           	Dew Point
	grid, input, optional
  -IN_DP_DEFAULT:	Default
	floating point number
	Minimum: -273.150000
	Default: 14.000000
  -OUT_VPSAT:       	Saturation Pressure
	grid, output, optional
  -OUT_VP:          	Vapor Pressure
	grid, output, optional
  -OUT_VPDIF:       	Vapor Pressure Deficit
	grid, output, optional
  -OUT_RH:          	Relative Humidity
	grid, output, optional
  -OUT_SH:          	Specific Humidity
	grid, output, optional
  -OUT_DP:          	Dew Point
	grid, output, optional
  -OUT_DPDIF:       	Dew Point Difference
	grid, output, optional
  -CONVERSION:      	Conversion from...
	choice
	Available Choices:
	[0] Vapor Pressure
	[1] Specific Humidity
	[2] Relative Humidity
	[3] Dew Point
	Default: 0
  -VPSAT_METHOD:    	Saturation Pressure
	choice
	Available Choices:
	[0] Magnus
	[1] Lowe & Ficke
	Default: 0