Table 105 373 



SATURATION VAPCR PRESSURE OVER WATER OF SALINITY 35% e * 



The saturation vapor pressure over a plane surface of pure water depends only on 

 the temperature of the water. The salinity decreases the saturation vapor pressure 

 slightly, the empirical relation being 



where 



e. = e v {\ — 0.0O0537S) 



e, = saturation vapor pressure over sea water at a given temperature, 



e*> = saturation vapor pressure over a plane surface of pure water at the same 



temperature, 

 S — salinity in parts per thousand (%c). 



Values of e, computed for a salinity of 35%o are given in the table. 



1 Sverdrup, H. U., Johnson, M. W., and Fleming, R. H., The oceans, p. 116. Copyright 1942, by 

 Prentice-Hall, Inc., New York. 



SMITHSONIAN METEOROLOGICAL TABLES 



