New Equations for Computing Vapor Pressure and Enhancement Factor
Open Access
- 1 December 1981
- journal article
- Published by American Meteorological Society in Journal of Applied Meteorology
- Vol. 20 (12) , 1527-1532
- https://doi.org/10.1175/1520-0450(1981)020<1527:nefcvp>2.0.co;2
Abstract
Equations are presented which relate saturation vapor pressure to temperature for moist air. The equations are designed to be easily implemented on a calculator or computer and can be used to convert in either direction. They are more accurate than the commonly used Goff-Gratch equations for the meteorologically interesting region of −80 to +50°C. Equations also are given for the enhancement factor. Abstract Equations are presented which relate saturation vapor pressure to temperature for moist air. The equations are designed to be easily implemented on a calculator or computer and can be used to convert in either direction. They are more accurate than the commonly used Goff-Gratch equations for the meteorologically interesting region of −80 to +50°C. Equations also are given for the enhancement factor.Keywords
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