Urban Heat Island effect UPSC NOTE


  • The urban heat island effect refers to the phenomenon where urban areas experience higher temperatures compared to surrounding rural or natural areas

  • The urban heat island effect describes the elevated temperatures found in urban areas due to human activities and the built environment.

  • Urban areas have high concentrations of buildings, roads, concrete, and asphalt, which absorb and retain heat from the sun more effectively than natural surfaces. 

  • This leads to increased daytime temperatures.

  • Urban surfaces, such as roads and buildings, have lower albedo (reflectivity) compared to natural surfaces like forests or fields. 

  • This means they absorb more solar radiation, further contributing to increased temperatures.

  • Urban materials like concrete and asphalt store heat during the day and release it at night, resulting in higher nighttime temperatures compared to rural areas. 

  • This limited cooling at night can lead to discomfort and affect sleep patterns.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Urban Heat Island effect UPSC NOTE
Urban Heat Island effect UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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