3. Explain the effect of -
(a) Warm ocean currents on climate
(b) Cold ocean currents on the movement
of icebergs
(C) The shape of the coast line on ocean
currents
(d) Meeting of warm and cold ocean
currents
(e) The transportational capacity of ocean
currents
(f) Deep ocean currents
Answers
Answer:
1. Ocean currents act as conveyer belts of warm and cold water, sending heat toward the polar regions and helping tropical areas cool off, thus influencing both weather and climate. ... Land areas also absorb some sunlight, and the atmosphere helps to retain heat that would otherwise quickly radiate into space after sunset.
2.Cold ocean current flows from the polar to the equatorial regions. During this process, iceberg from the polar areas gets carried along the current. This, in turn, poses threat to marine routes where frequent movement of ships takes place.
3.This movement is due to the ocean currents which are not always constant. The water swirl around in the water and as the waves of the ocean waters comes to the shore, due to the shape of the coastline the movement of the water also changes, thereby changing the currents in the ocean waters.
4.Ocean currents are the horizontal continuous flow of a mass of water from one place to another. The meeting of cold and warm currents results into a meeting of the overlying warm air and cold air. The warm air meeting the colder air will cool the warm air below its dew point resulting in the formation of a thick fog.
5.The term ocean current is used to define any more or less permanent or continuous, directed movement of ocean water that flows in one of the Earth's oceans.
These are generated from the forces acting upon the water like the earth's rotation, the wind, the temperature and salinity differences and the gravitation of the moon.
Ocean currents can flow for thousands of kilometers and their depth contours, the shoreline and other currents influence the current's direction and strength.
6.When ocean water freezes, forming sea ice, salt is left behind causing surrounding seawater to become saltier and denser. Dense-cold-salty water sinks to the ocean bottom. Surface water flows in to replace the sinking water, which in turn becomes cold and salty enough to sink.
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Explanation:
Answer:
(1)
Warm and chilly sea streams can influence the atmosphere of a zone along the drift if the breezes blow in from the sea. ... Warm sea streams warm the air over the water and convey the warm air to the land, expanding the temperature of the seaside locale.