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What is the salinity range of the ocean?

What is the salinity range of the ocean?

between 33-37 grams per liter
Sea water salinity is expressed as a ratio of salt (in grams) to liter of water. In sea water there is typically close to 35 grams of dissolved salts in each liter. It is written as 35 ‰ The normal range of ocean salinity ranges between 33-37 grams per liter (33‰ – 37‰).

What is ocean salinity in geography?

Salinity is the term used to define the total content of dissolved salts in sea water. It is calculated as the amount of salt (in gm) dissolved in 1,000 gm (1 kg) of seawater. It is usually expressed as parts per thousand or ppt.

Why ocean water is salty BYJU’s?

In the coastal regions, the surface salinity is influenced by the freshwater flow from rivers. In the Polar region, the surface salinity is influenced by the processes of freezing and melting of ice. The ocean currents contribute to the salinity variations.

Why is ocean water is unfit for drinking?

Why can’t people drink sea water? Seawater is toxic to humans because your body is unable to get rid of the salt that comes from seawater. Your body’s kidneys normally remove excess salt by producing urine, but the body needs freshwater to dilute the salt in your body for the kidneys to work properly.

What is the average salinity of ocean water?

The average salinity of ocean water is 35 parts per thousand. This means that in every liter of water, there are 35 grams of salt, or about 3.5 percent of the weight of seawater comes from salts. The salinity of the ocean remains fairly constant over time.

How does the salinity of the sea change with depth?

Salinity changes with depth, but the way it changes depends upon the location of the sea. Salinity at the surface increases by the loss of water to ice or evaporation, or decreased by the input of fresh waters, such as from the rivers. Salinity at depth is very much fixed, because there is no way that water is ‘lost’, or the salt is ‘added.’

What is the salinity of water in an estuary?

The salinity of water in the ocean averages about 35 parts per thousand (ppt). The mixture of seawater and fresh water in estuaries is called brackish water and its salinity can range from 0.5 to 35 ppt.

Why is the salinity of the Mediterranean Sea High?

The Mediterranean Sea records higher salinity due to high evaporation. Salinity is, however, very low in Black Sea due to enormous fresh water influx by rivers. The salinity of the inland Seas and lakes is very high because of the regular supply of salt by ‘ the rivers falling into them.