1.

Explain the differences found between the Central water bodies and the Equatorial water bodies.

Answer»

Like the air – masses prevalent in the atmosphere, there are many water bodies found in the hydrosphere, which have been classified by the geographers by considering the temperature and salinity as the basis. Although, it is not necessary that the temperature and salinity are equal in any water body, it is considered important to express the nature of water bodies through the thermal salinity diagram.

Central Water Body: The water bodies which are found between 35 degree to 42 degree Northern and Southern latitudes in the regions of winter sub – tropical convergence are called the central water bodies.

Equatorial Water Body: These water bodies are located along the equatorial line in the Pacific Ocean and the Indian Ocean. The lack of these water bodies is found in the equatorial regions of the Atlantic Ocean.

The following differences are found between the central water body and the Equatorial water body:

Like the air – masses prevalent in the atmosphere, there are many water bodies found in the hydrosphere, which have been classified by the geographers by considering the temperature and salinity as the basis. Although, it is not necessary that the temperature and salinity are equal in any water body, it is considered important to express the nature of water bodies through the thermal salinity diagram.

Central Water Body: The water bodies which are found between 35 degree to 42 degree Northern and Southern latitudes in the regions of winter sub – tropical convergence are called the central water bodies.

Equatorial Water Body: These water bodies are located along the equatorial line in the Pacific Ocean and the Indian Ocean. The lack of these water bodies is found in the equatorial regions of the Atlantic Ocean.

The following differences are found between the central water body and the Equatorial water body:

Central Water BodyEquatorial Water Body
1. This water body is originated by convergent water.1. This water body is originated by the mixture of half terrestrial water.
2. This water body is found between 35° to 42° latitudes in both the hemispheres.2. This water body is found in the equatorial regions of the Pacific Ocean and the Indian Ocean.
3. This water body is found in the three vast oceansthe Indian, the Pacific and the Atlantic.3. Due to the special shape of the Atlantic Ocean, this water body is not found in it.
4. In these water bodies, the temperature and salinity on the surface decreases in the direction of high latitudes.4. In these water bodies, the temperature and salinity of water changes with the climatic
5. In the central water bodies, the temperature ranges from -0.8 centigrade to -1.2 centigrade and the amount of salinity ranges from 34.89 to 34.92 per thousand grams.5. In the equatorial water bodies, the average temperature is 32 centigrade and the average of salinity is about 35 per thousand grams.
6. The average thickness of these water bodies is between 200 and 300 meters. Maximum depth of 900 m is found at sargasso sea.6. The average thickness of these water bodies is between 100 and 200 meters.
7. Central water bodies come in contact with the nearby partially opened seas, whose properties differ greatly.7. The contact of the equatorial water bodies with the nearby partially opened seas is very less.


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