![]() ![]() ![]() See the long-term average sea surface density map and its variations, and how they affect the ocean circulation and climate. The average density of ocean is 1.03 g/cm3. Density is lighter at the depth than at the surface. Schleicher, 1980: A new high pressure equation of state for seawater, Deep Sea Research, Part A, 27, 255-264. Learn how the average density of sea surface water can be calculated from the average sea surface temperature and salinity using the state equation for seawater. Sea water Density Density of Ocean is determined by temperature, the quantity of dissolved salts (also known as salinity), and the pressure to which a parcel of seawater is exposed. ![]() The equation used in this calculator can be found in: In our calculator, enter the temperature in degrees C or F (click anywhere outside of any of the fields for the conversion), then enter your pressure in decibars and then the salinity. Schlitzer in 1989 and then adapted to javascript for use on our site. Barry Klinger of George Mason University for his help with this script. Ocean water at the sea surface has a density of about 1.027 g/ml. This script determines the density of water as a function of temperature, salinity and pressure. Point to the facts on the board: Pure water has a density of 1g/ml. S tewart, 2008, Chapter 6). M illero and P oisson, 1981b).The global seawater temperature and salinity variations have prevailing zonal (latitudinal) distribution (e.g. There are two main factors that make ocean water more or less dense than about 1027 kg/m 3: the temperature of the water and the salinity of the water. This calculator requires the use of Javascript enabled and capable browsers. The seawater density variations are mainly due to pressure, while smaller changes in density are caused by salinity and temperature variations (cf. Seawater has an average density of 1.027 gm/cm3, but this varies with temperature and salinity over a range of about 1.020 to 1.029. ![]()
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