How does the ocean's salinity vary?

Variation in salinity. The salinity of the ocean varies from place to place, especially at the surface. Much of the ocean has salinity between 34 ppt and 36 ppt, but there are places that tend to be higher or lower. read more

Oceans can vary in salinity by deficiencies/overabundance of fresh water (evaporation/precipitation), as the measure of saltiness is given in the form of a concentration. Salt concentration varies as well because oceans do not stand still. read more

Variation in salinity. The salinity of the ocean varies from place to place, especially at the surface. Much of the ocean has salinity between 34 ppt and 36 ppt, but there are places that tend to be higher or lower. Places of higher salinity. There are parts of the ocean where hardly any rain falls but warm dry winds cause lots of evaporation. read more