atm_pressure: Atmospheric pressure

Description Usage Arguments Value References Examples

View source: R/atm_pressure.R

Description

This function is used to estimate the The atmospheric pressure, P, by using a simplification of the ideal gas law, assuming 20°C for a standard atmosphere. Please, see the equation 7 from the FAO Irrigation and drainage paper 56.

Usage

1

Arguments

z

Elevation above sea level in meters.

Value

Atmospheric pressure in kPa.

References

Allen et al., 1998. Crop Evapotranspiration. Guidelines for computing crop water requirements. FAO Irrigation and drainage paper 56. http://www.fao.org/3/X0490E/x0490e00.htm.

Examples

1
atm_pressure(z= 1120)

nightmares documentation built on Oct. 23, 2020, 7:15 p.m.