Tetens's formula
From Glossary of Meteorology
Tetens's formula
An analytic expression for saturation vapor pressure, es , given as a function of temperature by where the temperature T is given in °C and the vapor pressure is in kPa.
A slightly improved version is shown under Clausius–Clapeyron equation.
Tetens, O. 1930. Uber einige meteorologische Begriffe. Z. Geophys.. 6. 297–309.
Copyright 2022 American Meteorological Society (AMS). For permission to reuse any portion of this work, please contact permissions@ametsoc.org. Any use of material in this work that is determined to be “fair use” under Section 107 of the U.S. Copyright Act (17 U.S. Code § 107) or that satisfies the conditions specified in Section 108 of the U.S.Copyright Act (17 USC § 108) does not require AMS’s permission. Republication, systematic reproduction, posting in electronic form, such as on a website or in a searchable database, or other uses of this material, except as exempted by the above statement, require written permission or a license from AMS. Additional details are provided in the AMS Copyright Policy statement.
