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Surface Temperature Mapping of the University of Northern Iowa Campus Using High Resolution Thermal Infrared Aerial Imageries

Department of Geography, University of Northern Iowa, Cedar Falls, Iowa, USA
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Sensors 2008, 8(8), 5055-5068; https://doi.org/10.3390/s8085055
Received: 25 July 2008 / Revised: 22 August 2008 / Accepted: 22 August 2008 / Published: 25 August 2008
(This article belongs to the Special Issue Remote Sensing of Land Surface Properties, Patterns and Processes)
The goal of this project was to map the surface temperature of the University of Northern Iowa campus using high-resolution thermal infrared aerial imageries. A thermal camera with a spectral bandwidth of 3.0-5.0 μm was flown at the average altitude of 600 m, achieving ground resolution of 29 cm. Ground control data was used to construct the pixelto-temperature conversion model, which was later used to produce temperature maps of the entire campus and also for validation of the model. The temperature map then was used to assess the building rooftop conditions and steam line faults in the study area. Assessment of the temperature map revealed a number of building structures that may be subject to insulation improvement due to their high surface temperatures leaks. Several hot spots were also identified on the campus for steam pipelines faults. High-resolution thermal infrared imagery proved highly effective tool for precise heat anomaly detection on the campus, and it can be used by university facility services for effective future maintenance of buildings and grounds. View Full-Text
Keywords: Thermal; infrared; aerial; remote sensing; buildings; steam lines; surface temperature Thermal; infrared; aerial; remote sensing; buildings; steam lines; surface temperature
MDPI and ACS Style

Savelyev, A.; Sugumaran, R. Surface Temperature Mapping of the University of Northern Iowa Campus Using High Resolution Thermal Infrared Aerial Imageries. Sensors 2008, 8, 5055-5068.

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