Question

Name the factors affecting salinity?

Answer 1

salinity of ocean water depends upon many causes, but the main cause is the continuous movement of ocean water from one place to other water one place to other due to rotation of earth and movement of winds which causes in salinity of ocean.other factors which affect the salinity of ocean water are rare of evaporation,preciptation,mixing of river water, melting ice etc..

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Answer 2

Factors like temperature, evaporation, supply of fresh water, landlocked or open nature of sea decide salinity of the sea water. More is the temperature of the sea water, more is the rate of evaporation, and hence salinity is also more. E.g., salinity of sea water around tropical region. In temperate region the temperature is less due to oblique sun rays and hence the rate of evaporation is also less, resulting in less salinity.

Fresh water supply either by rivers sea like in Bay of Bengal or melting ice caps like in Arctic Ocean result in lesser salinity.

Ocean currents get obstructed in the landlocked seas and hence salinity of the sea remains controlled by ocean currents.