Special Section on Advances in Infrared Remote Sensing and Instrumentation

Impact of land cover and population density on land surface temperature: case study in Wuhan, China

[+] Author Affiliations
Lin Li

Wuhan University, School of Resource and Environmental Sciences, Wuhan, Hubei 430079, China

Yongbin Tan

Wuhan University, School of Resource and Environmental Sciences, Wuhan, Hubei 430079, China

Shen Ying

Wuhan University, School of Resource and Environmental Sciences, Wuhan, Hubei 430079, China

Zhonghai Yu

Wuhan University, School of Resource and Environmental Sciences, Wuhan, Hubei 430079, China

Zhen Li

Shaanxi Geomatics Center of SBSM, Shaanxi Administration of Surveying, Mapping and Geoinformation, Xi’an, Shanxi 710054, China

Honghao Lan

Wuhan University, School of Resource and Environmental Sciences, Wuhan, Hubei 430079, China

J. Appl. Remote Sens. 8(1), 084993 (Mar 24, 2014). doi:10.1117/1.JRS.8.084993
History: Received November 27, 2013; Revised February 21, 2014; Accepted February 25, 2014
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Abstract.  With the rapid development of urbanization, the standard of living has improved, but changes to the city thermal environment have become more serious. Population urbanization is a driving force of residential expansion, which predominantly influences the land surface temperature (LST). We obtained the land covers and LST maps of Wuhan from Landsat-5 images in 2000, 2002, 2005, and 2009, and discussed the distribution of land use/cover change and LST variation, and we analyzed the correlation between population distribution and LST values in residential regions. The results indicated massive variation of land cover types, which was shown as a reduction in cultivatable land and the expansion of building regions. High-LST regions concentrated on the residential and industrial areas with low vegetation coverage. In the residential region, the population density (PD) had effects on the LST values. Although the area or variation of residential regions was close, lower PD was associated with lower mean LST or LST variation. Thus, decreasing the high-LST regions concentration by reducing the PD may alleviate the urban heat island effect on the residential area. Taken together, these results can provide supports for urban planning projects and studies on city ecological environments.

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© 2014 Society of Photo-Optical Instrumentation Engineers

Topics

Land cover

Citation

Lin Li ; Yongbin Tan ; Shen Ying ; Zhonghai Yu ; Zhen Li, et al.
"Impact of land cover and population density on land surface temperature: case study in Wuhan, China", J. Appl. Remote Sens. 8(1), 084993 (Mar 24, 2014). ; http://dx.doi.org/10.1117/1.JRS.8.084993


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