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Which of the following factors influence the Southwest Monsoon Formation?
1. Differential heating and cooling of land and water.
2. Presence of the high-pressure area, east of Madagascar.
3. Movement of tropical easterly jet streams over the Indian peninsula.
Which of the statements given above is/are correct?
- a)1 and 2 only
- b)2 only
- c)3 only
- d)1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Which of the following factors influence the Southwest Monsoon Formati...
- Factors Influencing Southwest Monsoon Formation:
- The differential heating and cooling of land and water creates a low pressure on the landmass of India while the seas around experience comparatively high pressure. Hence, statement 1 is correct.
- The shift of the position of Inter Tropical Convergence Zone (ITCZ) in summer, over the Ganga plain (this is the equatorial trough normally positioned about 5°N of the equator. It is also known as the monsoon-trough during the monsoon season).
- The presence of the high-pressure area, east of Madagascar, approximately at 20°S over the Indian Ocean. The intensity and position of this high-pressure area affect the Indian Monsoon. Hence, statement 2 is correct.
- The Tibetan plateau gets intensely heated during summer, which results in strong vertical air currents and the formation of low pressure over the plateau at about 9 km above sea level.
- The movement of the westerly jet stream to the north of the Himalayas and the presence of the tropical easterly jet stream over the Indian peninsula during summer. Hence, statement 3 is correct.
- Tropical Easterly Jet (African Easterly Jet).
- El Nino/Southern Oscillation (SO): Normally when the tropical eastern south Pacific Ocean experiences high pressure, the tropical eastern Indian Ocean experiences low pressure. But in certain years, there is a reversal in the pressure conditions and the eastern Pacific has lower pressure in comparison to the eastern Indian Ocean. This periodic change in pressure conditions is known as the SO.
Most Upvoted Answer
Which of the following factors influence the Southwest Monsoon Formati...
The Southwest Monsoon is a seasonal wind pattern that brings heavy rainfall to the Indian subcontinent. It is a complex meteorological phenomenon influenced by several factors. Let's examine each of the given statements to understand their role in the formation of the Southwest Monsoon.
1. Differential heating and cooling of land and water:
The differential heating and cooling of land and water play a crucial role in the formation of the Southwest Monsoon. During summer, the landmass of the Indian subcontinent heats up faster than the surrounding oceans. As a result, a low-pressure zone is created over the land, while the high-pressure area remains over the oceans. This pressure gradient leads to the development of the monsoon winds, which blow from the oceans towards the land, bringing moisture-laden air and causing rainfall.
2. Presence of the high-pressure area, east of Madagascar:
The presence of a high-pressure area east of Madagascar, known as the Mascarene High, is another important factor influencing the Southwest Monsoon. This high-pressure system acts as a steering mechanism for the monsoon winds. It helps in the establishment of the Somali Jet, which transports moisture from the Arabian Sea towards the Indian subcontinent. The interaction between the Mascarene High and the Somali Jet is crucial for the onset and progress of the monsoon over the Indian region.
3. Movement of tropical easterly jet streams over the Indian peninsula:
The movement of tropical easterly jet streams over the Indian peninsula also influences the Southwest Monsoon. These jet streams are high-altitude winds that blow from east to west. During the summer season, the tropical easterly jet streams shift northwards and merge with the monsoon trough, a low-pressure area extending from the Arabian Sea to the Bay of Bengal. This convergence enhances the monsoon circulation and leads to the intensification of rainfall over the subcontinent.
In conclusion, all three statements are correct. The differential heating and cooling of land and water, the presence of the high-pressure area east of Madagascar, and the movement of tropical easterly jet streams over the Indian peninsula are all important factors that influence the formation and progress of the Southwest Monsoon. These factors interact with each other to create the necessary atmospheric conditions for the monsoon winds to develop and bring rainfall to the Indian subcontinent.
1. Differential heating and cooling of land and water:
The differential heating and cooling of land and water play a crucial role in the formation of the Southwest Monsoon. During summer, the landmass of the Indian subcontinent heats up faster than the surrounding oceans. As a result, a low-pressure zone is created over the land, while the high-pressure area remains over the oceans. This pressure gradient leads to the development of the monsoon winds, which blow from the oceans towards the land, bringing moisture-laden air and causing rainfall.
2. Presence of the high-pressure area, east of Madagascar:
The presence of a high-pressure area east of Madagascar, known as the Mascarene High, is another important factor influencing the Southwest Monsoon. This high-pressure system acts as a steering mechanism for the monsoon winds. It helps in the establishment of the Somali Jet, which transports moisture from the Arabian Sea towards the Indian subcontinent. The interaction between the Mascarene High and the Somali Jet is crucial for the onset and progress of the monsoon over the Indian region.
3. Movement of tropical easterly jet streams over the Indian peninsula:
The movement of tropical easterly jet streams over the Indian peninsula also influences the Southwest Monsoon. These jet streams are high-altitude winds that blow from east to west. During the summer season, the tropical easterly jet streams shift northwards and merge with the monsoon trough, a low-pressure area extending from the Arabian Sea to the Bay of Bengal. This convergence enhances the monsoon circulation and leads to the intensification of rainfall over the subcontinent.
In conclusion, all three statements are correct. The differential heating and cooling of land and water, the presence of the high-pressure area east of Madagascar, and the movement of tropical easterly jet streams over the Indian peninsula are all important factors that influence the formation and progress of the Southwest Monsoon. These factors interact with each other to create the necessary atmospheric conditions for the monsoon winds to develop and bring rainfall to the Indian subcontinent.
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Which of the following factors influence the Southwest Monsoon Formation?1. Differential heating and cooling of land and water.2. Presence of the high-pressure area, east of Madagascar.3. Movement of tropical easterly jet streams over the Indian peninsula.Which of the statements given above is/are correct?a)1 and 2 onlyb)2 onlyc)3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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Which of the following factors influence the Southwest Monsoon Formation?1. Differential heating and cooling of land and water.2. Presence of the high-pressure area, east of Madagascar.3. Movement of tropical easterly jet streams over the Indian peninsula.Which of the statements given above is/are correct?a)1 and 2 onlyb)2 onlyc)3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? for Current Affairs 2024 is part of Current Affairs preparation. The Question and answers have been prepared according to the Current Affairs exam syllabus. Information about Which of the following factors influence the Southwest Monsoon Formation?1. Differential heating and cooling of land and water.2. Presence of the high-pressure area, east of Madagascar.3. Movement of tropical easterly jet streams over the Indian peninsula.Which of the statements given above is/are correct?a)1 and 2 onlyb)2 onlyc)3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Current Affairs 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following factors influence the Southwest Monsoon Formation?1. Differential heating and cooling of land and water.2. Presence of the high-pressure area, east of Madagascar.3. Movement of tropical easterly jet streams over the Indian peninsula.Which of the statements given above is/are correct?a)1 and 2 onlyb)2 onlyc)3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?.
Which of the following factors influence the Southwest Monsoon Formation?1. Differential heating and cooling of land and water.2. Presence of the high-pressure area, east of Madagascar.3. Movement of tropical easterly jet streams over the Indian peninsula.Which of the statements given above is/are correct?a)1 and 2 onlyb)2 onlyc)3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? for Current Affairs 2024 is part of Current Affairs preparation. The Question and answers have been prepared according to the Current Affairs exam syllabus. Information about Which of the following factors influence the Southwest Monsoon Formation?1. Differential heating and cooling of land and water.2. Presence of the high-pressure area, east of Madagascar.3. Movement of tropical easterly jet streams over the Indian peninsula.Which of the statements given above is/are correct?a)1 and 2 onlyb)2 onlyc)3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Current Affairs 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following factors influence the Southwest Monsoon Formation?1. Differential heating and cooling of land and water.2. Presence of the high-pressure area, east of Madagascar.3. Movement of tropical easterly jet streams over the Indian peninsula.Which of the statements given above is/are correct?a)1 and 2 onlyb)2 onlyc)3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?.
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