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Explain the distribution of salinity around the top Tropic of Cancer and Tropic of Capricorn

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Geography

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Explain the distribution of salinity around the tropic of cancer and tropic of Capricorn give answer

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 byDhingraarun6206 02.01.2018

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jagat6273 

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Salinity is defined as the ratio between the weight of the dissolved materials and the weight of the sample sea water. Generally, salinity is defined as ‘the total amount of solid material in grams contained in one kilogram of sea water and is expressed as part per thousand (%o) e.g., 30%o (means 30 grams of salt in 1000 grams of sea water).

The oceanic salinity not only affects the marine organisms and plant community but it also affects the physical properties of the oceans such as temperature, density, pressure, waves and currents etc. The freezing point of ocean water also depends on salinity e.g., more saline water freezes slowly in com­parison to less saline water.