Essay on Temprature of city
Answers
Answer:
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Answer:
Explanation:
The centre of a large city constitutes a “heat island”. The temperatures are highest near the centre of a city and diminish slowly towards the suburbs. In the central area of a metropolitan city the temperatures are 1 to 2 degrees warmer in the winter than the surrounding countryside.
The heat is generated by the concentration of objects and activities in the city, such as factories, motor vehicles, and homes. The surface materials such as brick, concrete, and pucca houses and streets of the city retain heat better than do the grass and fields in the rural areas.
Warm air cools as it rises from an urban centre and begins to circulate. An urban dust dome is created by dust, soot, and smoke carried by the wind. It retards the outflow of heat from the city, further enhancing the heat island effect.