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In the context of the Northern Hemisphere, consider the following statements regarding the Intertropical Convergence Zone (ITCZ):
1. It is formed by the convergence of the Westerlies and Easterlies.
2. Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas.
3. In summers, the ITCZ moves southward and in winters, it moves northward.
2. Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas.
3. In summers, the ITCZ moves southward and in winters, it moves northward.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)2 and 3 only
- d)None
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
In the context of the Northern Hemisphere, consider the following stat...
The correct answer is option 'B', i.e., statement 2 only is correct.
Explanation:
1. Incorrect statement:
The Intertropical Convergence Zone (ITCZ) is not formed by the convergence of the Westerlies and Easterlies. The ITCZ is formed by the convergence of the trade winds from the Northern Hemisphere and the Southern Hemisphere. The trade winds blow from the northeast in the Northern Hemisphere and from the southeast in the Southern Hemisphere. When these trade winds meet near the Equator, they create a low-pressure zone known as the ITCZ.
2. Correct statement:
Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas. The position of the ITCZ is influenced by various factors such as sea surface temperatures, wind patterns, and the distribution of land and ocean. Changes in these factors can cause the ITCZ to shift northward or southward, resulting in changes in precipitation patterns. For example, if the ITCZ shifts northward, it can bring drought conditions to areas that normally receive rainfall from the ITCZ. Conversely, if the ITCZ shifts southward, it can bring heavy rainfall and flooding to areas that are usually dry.
3. Incorrect statement:
The statement that in summers, the ITCZ moves southward and in winters, it moves northward is incorrect. The movement of the ITCZ is not directly related to the seasons. The ITCZ is influenced by the position of the Sun and the distribution of land and ocean. It tends to follow the Sun's zenith position throughout the year, which means it moves northward during the Northern Hemisphere summer and southward during the Northern Hemisphere winter. However, this movement is not strictly tied to the seasons and can be influenced by other factors as well.
In summary, statement 2 is correct as long-term changes in the ITCZ can indeed result in severe droughts or flooding in nearby areas. Statement 1 and 3 are incorrect as the ITCZ is not formed by the convergence of the Westerlies and Easterlies, and its movement is not directly related to the seasons.
Explanation:
1. Incorrect statement:
The Intertropical Convergence Zone (ITCZ) is not formed by the convergence of the Westerlies and Easterlies. The ITCZ is formed by the convergence of the trade winds from the Northern Hemisphere and the Southern Hemisphere. The trade winds blow from the northeast in the Northern Hemisphere and from the southeast in the Southern Hemisphere. When these trade winds meet near the Equator, they create a low-pressure zone known as the ITCZ.
2. Correct statement:
Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas. The position of the ITCZ is influenced by various factors such as sea surface temperatures, wind patterns, and the distribution of land and ocean. Changes in these factors can cause the ITCZ to shift northward or southward, resulting in changes in precipitation patterns. For example, if the ITCZ shifts northward, it can bring drought conditions to areas that normally receive rainfall from the ITCZ. Conversely, if the ITCZ shifts southward, it can bring heavy rainfall and flooding to areas that are usually dry.
3. Incorrect statement:
The statement that in summers, the ITCZ moves southward and in winters, it moves northward is incorrect. The movement of the ITCZ is not directly related to the seasons. The ITCZ is influenced by the position of the Sun and the distribution of land and ocean. It tends to follow the Sun's zenith position throughout the year, which means it moves northward during the Northern Hemisphere summer and southward during the Northern Hemisphere winter. However, this movement is not strictly tied to the seasons and can be influenced by other factors as well.
In summary, statement 2 is correct as long-term changes in the ITCZ can indeed result in severe droughts or flooding in nearby areas. Statement 1 and 3 are incorrect as the ITCZ is not formed by the convergence of the Westerlies and Easterlies, and its movement is not directly related to the seasons.
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Community Answer
In the context of the Northern Hemisphere, consider the following stat...
- The Intertropical Convergence Zone, or ITCZ, is the region that circles the Earth, near the equator, where the trade winds of the Northern and Southern Hemispheres come together. Hence statement 1 is not correct.
- It is a low pressure zone.
- The intense sun and warm water of the equator heats the air in the ITCZ, raising its humidity and making it buoyant. Aided by the convergence of the trade winds, the buoyant air rises. As the air rises it expands and cools, releasing the accumulated moisture in an almost perpetual series of thunderstorms.
- Seasonal shifts in the location of the ITCZ drastically affects rainfall in many equatorial nations, resulting in the wet and dry seasons of the tropics rather than the cold and warm seasons of higher latitudes. Longer term changes in the ITCZ can result in severe droughts or flooding in nearby areas. Hence statement 2 is correct.
- In July, the ITCZ is located around 20°N-25°N latitudes (over the Gangetic plain), sometimes called the monsoon trough.
- This monsoon trough encourages the development of thermal low over north and northwest India.
- Due to the shift of ITCZ, the trade winds of the southern hemisphere cross the equator between 40° and 60°E longitudes and start blowing from southwest to northeast due to the Coriolis force. It becomes southwest monsoon.
- In winter, the ITCZ moves southward, and so the reversal of winds from northeast to south and southwest, takes place. They are called northeast monsoons. Hence statement 3 is not correct.
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In the context of the Northern Hemisphere, consider the following statements regarding the Intertropical Convergence Zone (ITCZ):1. It is formed by the convergence of the Westerlies and Easterlies.2. Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas.3. In summers, the ITCZ moves southward and in winters, it moves northward.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)2 and 3 onlyd)NoneCorrect answer is option 'B'. Can you explain this answer?
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In the context of the Northern Hemisphere, consider the following statements regarding the Intertropical Convergence Zone (ITCZ):1. It is formed by the convergence of the Westerlies and Easterlies.2. Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas.3. In summers, the ITCZ moves southward and in winters, it moves northward.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)2 and 3 onlyd)NoneCorrect answer is option 'B'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about In the context of the Northern Hemisphere, consider the following statements regarding the Intertropical Convergence Zone (ITCZ):1. It is formed by the convergence of the Westerlies and Easterlies.2. Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas.3. In summers, the ITCZ moves southward and in winters, it moves northward.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)2 and 3 onlyd)NoneCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the context of the Northern Hemisphere, consider the following statements regarding the Intertropical Convergence Zone (ITCZ):1. It is formed by the convergence of the Westerlies and Easterlies.2. Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas.3. In summers, the ITCZ moves southward and in winters, it moves northward.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)2 and 3 onlyd)NoneCorrect answer is option 'B'. Can you explain this answer?.
In the context of the Northern Hemisphere, consider the following statements regarding the Intertropical Convergence Zone (ITCZ):1. It is formed by the convergence of the Westerlies and Easterlies.2. Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas.3. In summers, the ITCZ moves southward and in winters, it moves northward.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)2 and 3 onlyd)NoneCorrect answer is option 'B'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about In the context of the Northern Hemisphere, consider the following statements regarding the Intertropical Convergence Zone (ITCZ):1. It is formed by the convergence of the Westerlies and Easterlies.2. Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas.3. In summers, the ITCZ moves southward and in winters, it moves northward.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)2 and 3 onlyd)NoneCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the context of the Northern Hemisphere, consider the following statements regarding the Intertropical Convergence Zone (ITCZ):1. It is formed by the convergence of the Westerlies and Easterlies.2. Long-term changes in the ITCZ can result in severe droughts or flooding in nearby areas.3. In summers, the ITCZ moves southward and in winters, it moves northward.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)2 and 3 onlyd)NoneCorrect answer is option 'B'. Can you explain this answer?.
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