Study on the Relationship between Urban Surface Temperature and Vegetation Index in Xuchang City

Jing Zhong Li; Jing Gang Zheng

doi:10.4028/www.scientific.net/AMM.321-324.2496

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 321-324Study on the Relationship between Urban Surface...

Study on the Relationship between Urban Surface Temperature and Vegetation Index in Xuchang City

Abstract:

Urban surface temperature distribution is closely linked to its ground vegetation cover. Determining the correlation between the urban surface temperature and its ground vegetation has an important role in the urban surface temperature improvement and the urban environment optimization. This paper selects the TM data in the summer of 2009 to obtain the normalized difference vegetation index (NDVI) and selects 129 samples in the seasons acquired by the images to do the actual measurement of the surface temperature. Then it analyzes the quantitative relationship between the surface measured temperature and normalized difference vegetation index finding out that there exists a negative correlation; Their regression fits to obtain the type of relationship: Ts = 37-14.64 * NDVI. The identification of the correlation between the urban temperature and vegetation index provides a relatively reliable theoretical basis and technical support to the urban planning, and urban ecological environment construction.

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Periodical:

Applied Mechanics and Materials (Volumes 321-324)

Pages:

2496-2500

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.321-324.2496

Citation:

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Online since:

June 2013

Authors:

Jing Zhong Li, Jing Gang Zheng

Keywords:

Correlation, NDVI, Urban Surface Temperature, Xuchang City

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