Generally salinity is low in higher latitudes due to mixing of fresh water from melting ice But the ...........

Geography World - Water Bodies

Generally salinity is low in higher latitudes due to mixing of fresh water from melting ice. But the North Sea despite being located in higher latitudes records higher salinity. Why?

1. High evaporation in the region of North Sea

2. More saline water brought by the North Atlantic Drift.

3. Polar easterlies bringing in saline water from North

Select the correct answer using the codes given below

1 and 2 only

2 and 3 only

3 only

2 only

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Explanation:

Factors affecting ocean salinity are mentioned below:
(i) The salinity of water in the surface layer of oceans depends mainly on evaporation and precipitation.
(ii) Surface salinity is greatly influenced in coastal regions by the fresh water flow from rivers, and in polar regions by the processes of freezing and thawing of ice.
(iii) Wind, also influences salinity of an area by transferring water to other areas.
(iv) The ocean currents contribute to the salinity variations.
Salinity, temperature and density of water are interrelated. Hence, any change in the temperature or density influences the salinity of water in an area.