Here is your short essay on Pacific Ocean

The Pacific Ocean has the unique distinction of having the low salinity of the surface water. However, there are regional variations in the distribution of the surface salinity.

In the equatorial belt of this ocean salinity is 34%. But in the vicinity of 15°N and S latitude there is an increase in the surface salinity which ranges from 34 to 35%.

The areas of maximum salinity are found in the south-eastern part of this ocean where it is about 37%. In the trade wind belt of the North Pacific Ocean the surface salinity nowhere exceeds 36%.

In the northwestern part of the North Pacific Ocean 35.5% salinity is found in the middle part of a latitudinal belt extending from 15°N to 30°N latitude.

In the South Pacific there is an area of higher salinity (36%) in 20°S latitude and 120°E longitude. But to the south of this high salinity area, lower salinity is found near the Chile and the Peru coast. In the extreme south near the Antarctic the surface salinity is less than 34%.

In the same way, the northernmost areas of this ocean have a very low salinity of about 32%. In the western part the salinity is reduced to about 31% because of heavy precipitation, and the monsoon system of winds.

The difference between the salinities of the eastern and western parts of the Pacific Ocean is due to the seasonal changes in the ocean currents.

In the tropical area of the South Pacific the amount of salinity is increased. But due to the influence of cold currents flowing near the coast of Peru and Chile, the salinity in the surface water is lowered.

Like other oceans, in this ocean also the salinity of the surface water is low near the mouths of great rivers such as Whwang Ho and Yangtze Kiang.