3
Question
Which of the following is/are correct in context of an urban heat island?
1. It is significantly warmer than the adjoining rural areas.
2. The rate of evaporation is faster.
3. Concrete structures are an important reason for formation of urban heat island
Which of the following is/are correct in context of an urban heat island?
1. It is significantly warmer than the adjoining rural areas.
2. The rate of evaporation is faster.
3. Concrete structures are an important reason for formation of urban heat island
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Solution
The correct option is C i, ii and iii only
Urban Heat Island (UHI):
Causes- Unplanned urbanization of cities
Reduction in vegetation due to accelerated deforestration,
Deterioration of water bodies and crop fields
Changes in land use pattern like encroachment of water bodies and wetlands
Rapid development of concrete structures which have low albedo value.
Consequences- Excessive changes to heat and rainfall patterns, increased threats of global warming and has harmful impacts on plant, animal and human life.
Urban Heat Island (UHI):
Causes- Unplanned urbanization of cities
Reduction in vegetation due to accelerated deforestration,
Deterioration of water bodies and crop fields
Changes in land use pattern like encroachment of water bodies and wetlands
Rapid development of concrete structures which have low albedo value.
Consequences- Excessive changes to heat and rainfall patterns, increased threats of global warming and has harmful impacts on plant, animal and human life.
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