Question

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Lesson name - Ocean Currents, Std - 8th, SSC Board, Geography Lsn 5

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Answer 1

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Explain the effects of warm currents on Climate

Ans :

• Ocean Currents especially affect the climate of the regions having proximity to the sea. In the cold regions where warm ocean currents flow, Climate becomes warmer.

• In some regions the amount of precipitation increases. For example , the warm ocean currents flowing near wastern Europe , Southern Alaska , And Japanese coast, reduce the intensity of the winters there and make them warmer. As a result, These ports do not freeze in winters.

What is the reason behind tye dynamics of the ocean water?

Ans : Ocean currenta can be caused by wind due to density differences in water masses caused by temperature and salinity variations .

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These circular pattern of the movements of the ocean currents, give rise to certain Peculiar features in the ocean , they are called gyres . The Saragasso sea in the Atlantic Ocean is such an example.

It is marked by the circular patterns of ocean currents. It does not have land boundaries and is only surrounded by ocean currents. It gets its name from the saragassum seaweed. The water is still there. This sea is 1100 Km wide and 3200 km long.