Poster Title

“The Belknap Campus and Metro Louisville urban heat island effect: Air and ground surface temperature analysis”

Presenter Information

Kenyetta JohnsonFollow

Grade Level at Time of Presentation

Senior

Major

Environmental Analysis

Minor

Socio-Cultural Anthropology

Institution

University of Louisville

KY House District #

37

KY Senate District #

37

Department

Geography/Geosciences

Abstract

Numerous studies show that urban morphologies and land covers generate excess heat emissions and retain heat relative to surrounding rural areas known as the Urban Heat Island (UHI) effect. Urban fabrics paved by concrete and asphalt absorbs and radiates heat during solar peak and sundown. It is also suggested that Louisville, Kentucky has a significant UHI effect. This study investigates the UHI effect on the Belknap campus of the University of Louisville, representing a small aerial sample of the Louisville metropolitan area. We seek to measure heat reflected off ground surfaces such as concrete, asphalt, and grass, and in the air at certain height above the surface. The results are expected to show that impervious ground surfaces tend to retain the most heat; therefore, concretes and asphalts cool slower after sundown. Furthermore, the heat retention will not be uniform over the campus area. The measurements will be conducted using a portable infrared thermometer, and an air temperate thermometer. The data will be analyzed using Geographic Information Systems (GIS) software to reconstruct a thermal surface map of the University of Louisville’s Belknap Campus. We also intend to apply the campus data to create a similar thermal map for the metropolitan areas of Louisville.

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“The Belknap Campus and Metro Louisville urban heat island effect: Air and ground surface temperature analysis”

Numerous studies show that urban morphologies and land covers generate excess heat emissions and retain heat relative to surrounding rural areas known as the Urban Heat Island (UHI) effect. Urban fabrics paved by concrete and asphalt absorbs and radiates heat during solar peak and sundown. It is also suggested that Louisville, Kentucky has a significant UHI effect. This study investigates the UHI effect on the Belknap campus of the University of Louisville, representing a small aerial sample of the Louisville metropolitan area. We seek to measure heat reflected off ground surfaces such as concrete, asphalt, and grass, and in the air at certain height above the surface. The results are expected to show that impervious ground surfaces tend to retain the most heat; therefore, concretes and asphalts cool slower after sundown. Furthermore, the heat retention will not be uniform over the campus area. The measurements will be conducted using a portable infrared thermometer, and an air temperate thermometer. The data will be analyzed using Geographic Information Systems (GIS) software to reconstruct a thermal surface map of the University of Louisville’s Belknap Campus. We also intend to apply the campus data to create a similar thermal map for the metropolitan areas of Louisville.