775 



25 



20 



15 



10 



5 

 1.00 



£ 



.99 - 



.98 

 2X) 



1.0 







2 1.0 

 111 



Q. 



2 

 £ 2.0 



3.0 



4.0 



10 l5 o/ 



. jCHLORINITY. % . 



15 20 25 30 



SALINITY. % 



20 



3'5 



Fig. 34. — Osomotic pressure, vapor pressure, of sea water, relative to that of pure 

 water, freezing point, and temperature of maximum density as functions of chlorinity 

 and salinity. 



TABLE 891.— PERCENTAGE OF RADIATION OF GIVEN WAVELENGTH 

 TRANSMITTED BY 1 M OF WATER* 



Type of water .46 



Pure water 98.5 



f" highest 96.4 



Oceanic water-j highest 91.8 



t average 85.1 



f average 80.0 



Coastal water < lowest 69.7 



I lowest 60.0 



For reference, see footnote 302, p. 773. 



SMITHSONIAN PHYSICAL TABLES 



