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Which of these forces help in the movement or generation of ocean currents?
1. Coriolis force
2. Gravitational force
3. Solar insolation
4. Movement of wind
Select the correct answer using the codes below:
- a)2 and 3 only
- b)1 and 4 only
- c)2, 3 and 4 only
- d)All of the above
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which of these forces help in the movement or generation of ocean cur...
- Surface currents are generated largely by the wind. Their patterns are determined by wind direction, Coriolis forces from the Earth’s rotation, and the position of landforms that interact with the currents.
- Near the equator, the ocean water is about 8 cm higher in level than in the middle latitudes. This causes a very slight gradient and water tends to flow down the slope.
- Solar energy makes the current warm or cold and decides their circulatory patterns.
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Which of these forces help in the movement or generation of ocean cur...
The correct answer is option 'D' - All of the above.
Ocean currents are large-scale movements of water in the ocean. They play a crucial role in the Earth's climate system by transporting heat from the equator to the poles, redistributing nutrients, and influencing weather patterns. Various forces contribute to the movement or generation of ocean currents, and these forces are listed below:
1. Coriolis force:
The Coriolis force is an apparent force that acts on moving objects in a rotating system, such as the Earth. It is caused by the rotation of the Earth and its effect on moving fluids or objects. In the case of ocean currents, the Coriolis force is responsible for the deflection of the currents to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This deflection leads to the formation of gyres, which are large circular patterns of ocean currents.
2. Gravitational force:
The gravitational force plays a significant role in the movement of ocean currents. Gravity causes water to flow downhill, and the slope of the ocean floor determines the direction of the current. When the slope is gentle, the gravitational force helps to generate slow-moving currents. On the other hand, when the slope is steep, the gravitational force contributes to the formation of fast-moving currents.
3. Solar insolation:
Solar insolation refers to the amount of solar radiation received by the Earth's surface. It plays a crucial role in the generation of ocean currents because it drives the water cycle, which includes evaporation, condensation, and precipitation. When solar radiation heats the surface of the ocean, the warm water becomes less dense and rises. This creates a vertical movement of water known as upwelling. Upwelling can lead to the formation of surface currents as the warm water moves towards the poles and colder water moves towards the equator.
4. Movement of wind:
The movement of wind is another important factor in the generation of ocean currents. Winds blowing over the ocean surface create friction, which transfers some of the energy to the water. This energy transfer causes the water to move, generating surface currents. The direction and strength of the wind can influence the direction and speed of the surface currents.
In summary, the movement or generation of ocean currents is influenced by multiple forces including the Coriolis force, gravitational force, solar insolation, and movement of wind. These forces work together to create the complex patterns of ocean currents that play a vital role in Earth's climate system.
Ocean currents are large-scale movements of water in the ocean. They play a crucial role in the Earth's climate system by transporting heat from the equator to the poles, redistributing nutrients, and influencing weather patterns. Various forces contribute to the movement or generation of ocean currents, and these forces are listed below:
1. Coriolis force:
The Coriolis force is an apparent force that acts on moving objects in a rotating system, such as the Earth. It is caused by the rotation of the Earth and its effect on moving fluids or objects. In the case of ocean currents, the Coriolis force is responsible for the deflection of the currents to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This deflection leads to the formation of gyres, which are large circular patterns of ocean currents.
2. Gravitational force:
The gravitational force plays a significant role in the movement of ocean currents. Gravity causes water to flow downhill, and the slope of the ocean floor determines the direction of the current. When the slope is gentle, the gravitational force helps to generate slow-moving currents. On the other hand, when the slope is steep, the gravitational force contributes to the formation of fast-moving currents.
3. Solar insolation:
Solar insolation refers to the amount of solar radiation received by the Earth's surface. It plays a crucial role in the generation of ocean currents because it drives the water cycle, which includes evaporation, condensation, and precipitation. When solar radiation heats the surface of the ocean, the warm water becomes less dense and rises. This creates a vertical movement of water known as upwelling. Upwelling can lead to the formation of surface currents as the warm water moves towards the poles and colder water moves towards the equator.
4. Movement of wind:
The movement of wind is another important factor in the generation of ocean currents. Winds blowing over the ocean surface create friction, which transfers some of the energy to the water. This energy transfer causes the water to move, generating surface currents. The direction and strength of the wind can influence the direction and speed of the surface currents.
In summary, the movement or generation of ocean currents is influenced by multiple forces including the Coriolis force, gravitational force, solar insolation, and movement of wind. These forces work together to create the complex patterns of ocean currents that play a vital role in Earth's climate system.
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Which of these forces help in the movement or generation of ocean currents? 1. Coriolis force2. Gravitational force3. Solar insolation4. Movement of windSelect the correct answer using the codes below: a) 2 and 3 onlyb) 1 and 4 onlyc) 2, 3 and 4 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer?
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Which of these forces help in the movement or generation of ocean currents? 1. Coriolis force2. Gravitational force3. Solar insolation4. Movement of windSelect the correct answer using the codes below: a) 2 and 3 onlyb) 1 and 4 onlyc) 2, 3 and 4 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Which of these forces help in the movement or generation of ocean currents? 1. Coriolis force2. Gravitational force3. Solar insolation4. Movement of windSelect the correct answer using the codes below: a) 2 and 3 onlyb) 1 and 4 onlyc) 2, 3 and 4 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of these forces help in the movement or generation of ocean currents? 1. Coriolis force2. Gravitational force3. Solar insolation4. Movement of windSelect the correct answer using the codes below: a) 2 and 3 onlyb) 1 and 4 onlyc) 2, 3 and 4 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer?.
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