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प्रश्न
What are ocean currents?
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उत्तर
Ocean currents are streams of water flowing constantly on the ocean surface in definite directions. Ocean currents are formed because of the temperature differences between the ocean water present at different latitudes. The further one travels from the Equator, the colder the ocean water generally becomes. Due to convection, the warm currents that originate near the Equator move towards the Poles. The cold currents carry ocean water from the Polar or higher latitudes to the tropical or lower latitudes.
संबंधित प्रश्न
In which ocean does the Labrador current flow?
Explain the effect of the transportational capacity of ocean currents.
Why do the ports in the eastern coast of Canada freeze in winter?
For what is the Gulf Stream famous?
Name the factors responsible for the subsurface movement of ocean waters.
Name the factors originating within the sea which cause ocean currents.
Give a reason for the following:
Warm currents produce a milder climate.
Give reasons for the following:
The eastern coasts of the USA are comparatively cold.
Give reasons for the following:
There is heavy rainfall in Queensland but the Atacama desert is arid.
Give reasons for the following:
The coasts of Norway are not frozen in winter whereas its adjoining coasts are frozen for most parts of the year.
Describe one effect of the following ocean current.
The Kuroshio current
Describe one effect of the following ocean current.
Oyashio Current of the Pacific Ocean.
Describe the circulation pattern of the following ocean current.
The North Atlantic Drift.
Very Short Answer Type Question:
Name one warm current and one cold current.
Very Short Answer Type Question:
What happened to the Indira point during the tsunami of 2004?
How do currents affect the temperature?
