Urban Heat Island

September 27th, 2009  | Published in Technology








What is an Urban Heat Island?

An urban heat island (UHI) is a metropolitan area that is warmer then its surroundings. A heavily urbanized or built up area has a lot of material that traps heat. This creates a UHI.

How is UHI defined?

The UHI value of a particular site is the difference between its temperature at a given time and the minimum temperature of the entire study area. For example, if the UHI for place X is 8, then 8 is the difference between temperature of place X and the minimum temperature in the study area (NCR)

Effects of living in an Urban Heat Island

  • Greater Energy consumption due to increased use of cooling devices, which in turn generate more heat
  • Greater consumption of water

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