Study ranks U.S. cities based on the UHIE on temperatures

US-urban-heat-island-effect-graphic
Above: The annual average urban heat island effect in 2010. Credit: University of Georgia.

A new study using a new method for calculating urban heat island intensities clarifies the conflict on whether urban density or sprawl amplify these effects more. It also provides a ranking of the top urban heat island cities among the 50 largest metropolitan statistical areas. 


Inner cities as well as suburbs show distinctly warmer temperatures — known as the urban heat island effect — than rural areas as a result of land use and human activities, which can affect rainfall, air quality and public health.

A University of Georgia study using a new method for calculating urban heat island intensities clarifies the conflict on whether urban density or sprawl amplify these effects more. It also provides a ranking of the top urban heat island cities among the 50 largest metropolitan statistical areas.

The urban heat island effect describes how the spatial configuration of cities, the materials in them (such as asphalt), lack of vegetation and waste heat can modify temperature.

The study, published in the journal Computers, Environment and Urban Systems, identifies Salt Lake City, Miami and Louisville as the top three urban heat island cities in the U.S.

Read the full article here >> http://www.sciencedaily.com/releases/2015/09/150918132650.htm

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