Salinity is the saltiness or amount of salt dissolved in a body of water. In oceanography, salinity is typically measured in parts per thousand (ppt) or practical salinity units (psu).
In terms of layers of water, salinity can vary within different layers of the ocean. The surface layer of the ocean is typically less saline due to factors such as evaporation, precipitation, and the input of freshwater from rivers and melting ice. Salinity tends to increase at greater depths in the ocean, as there is less dilution of seawater by freshwater sources.
The formula to calculate salinity is:
Salinity (‰) = (Weight of dissolved salts (g) / Volume of water (kg)) x 1000
It is important to note that there are other factors that can affect salinity calculations, such as temperature and pressure. Oceanographers use various instruments and methods to accurately measure salinity in different layers of the ocean.
Who cane we define salinity in water with respect to layers of water and formula to calculate
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