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With reference to the urban heat island, consider the following statements:
1. It is a local and temporary phenomenon experienced when certain pockets within a city.
2. The temperature variation can range between 3 to 5 degrees Celsius.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
With reference to the urban heat island, consider the following statem...
Several parts of the country are reeling under heat wave conditions. Cities, especially, are a lot hotter than rural areas. This is due to a phenomenon called an “urban heat island”.
- An urban heat island is a local and temporary phenomenon experienced when certain pockets within a city experience higher heat load than surrounding or neighbouring areas on the same day.
- These are not the typical islands around water bodies, but urban heat islands that record higher day temperatures than other localities.
- The temperature variation can range between 3 to 5 degrees Celsius.
- For example, a greener locality like Pashan in Pune often records cooler temperatures than urban areas like Shivajinagar, Chinchwad or Magarpatta.
Causes
- The variations are mainly due to heat remaining trapped within locations that often resemble concrete jungles.
- Rural areas have relatively larger green cover in the form of plantations, farmlands, forests and trees as compared to urban spaces. This green cover plays a major role in regulating heat in its surroundings.
- Cities usually have buildings constructed with glass, bricks, cement and concrete — all of which are dark-coloured materials, meaning they attract and absorb higher heat content.
Hence both statements are correct.
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With reference to the urban heat island, consider the following statem...
Explanation:
The urban heat island refers to the phenomenon where urban areas experience higher temperatures compared to the surrounding rural areas. This is primarily caused by human activities and the built environment in cities. Let's analyze each statement given in the question:
Statement 1: It is a local and temporary phenomenon experienced when certain pockets within a city.
This statement is correct. The urban heat island effect is a localized phenomenon that occurs within specific pockets or areas within a city. It is not uniformly distributed throughout the entire urban area. Factors such as the density of buildings, lack of vegetation, and materials used in construction can contribute to the formation of urban heat islands.
Statement 2: The temperature variation can range between 3 to 5 degrees Celsius.
This statement is also correct. The temperature variation caused by the urban heat island effect can vary between 3 to 5 degrees Celsius. However, it is important to note that the magnitude of temperature increase may vary depending on various factors such as the size of the city, weather conditions, and urban design.
Conclusion:
Both statements are correct. The urban heat island effect is a local and temporary phenomenon experienced within certain pockets of a city, and the temperature variation caused by this effect can range between 3 to 5 degrees Celsius.
The urban heat island refers to the phenomenon where urban areas experience higher temperatures compared to the surrounding rural areas. This is primarily caused by human activities and the built environment in cities. Let's analyze each statement given in the question:
Statement 1: It is a local and temporary phenomenon experienced when certain pockets within a city.
This statement is correct. The urban heat island effect is a localized phenomenon that occurs within specific pockets or areas within a city. It is not uniformly distributed throughout the entire urban area. Factors such as the density of buildings, lack of vegetation, and materials used in construction can contribute to the formation of urban heat islands.
Statement 2: The temperature variation can range between 3 to 5 degrees Celsius.
This statement is also correct. The temperature variation caused by the urban heat island effect can vary between 3 to 5 degrees Celsius. However, it is important to note that the magnitude of temperature increase may vary depending on various factors such as the size of the city, weather conditions, and urban design.
Conclusion:
Both statements are correct. The urban heat island effect is a local and temporary phenomenon experienced within certain pockets of a city, and the temperature variation caused by this effect can range between 3 to 5 degrees Celsius.
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With reference to the urban heat island, consider the following statements:1. It is a local and temporary phenomenon experienced when certain pockets within a city.2. The temperature variation can range between 3 to 5 degrees Celsius.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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