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:: Volume 16, Issue 56 (3-2017) ::
جغرافیایی 2017, 16(56): 201-220 Back to browse issues page
Assessing the impacts of change in the quality of the vegetation on temperature range in district one of Shiraz
Mahdi Narangifard1, Ahmad Mazidi *1
1- Yazd University
Abstract:   (5183 Views)

In recent years, the zone one of Shiraz city has experienced extreme changes because the quantity and quality of vegetation suffered greatly from the inattention it is to be noted that the abundance of vegetation is one of the most important factors affecting the land surface temperature in this study, the thermal characteristics of NDVI and its relationship to the urban environment were examined using multi-temporal Landsat Satellite images. To do so, four TM sensor images on 22 March 2009, 15 July 2010, 19 October 2010, and 22 November 2010 were received, and then land surface temperature (LST) and normalized vegetation difference index were calculated. Results of the study showed that the highest percentage of vegetation, regardless of that in winter and spring, is associated with the lowest land surface temperature. The highest temperature in all seasons were reported in the heights towards the south, southeast and barren areas. Also, in spring the highest level of vegetation index had no local conformity with the lowest temperature in other words, the vegetation index and land surface temperature had no inverse relationship. In summer, the highest percent of vegetation of land surface temperature of the spatial was related to the lowest spatial adaptation. In winter, the distributions of temporal patterns were quite different from those in other seasons because of moderating role of temperature in vegetation. The highest range of temperature was observed at the highest elevations as well as in areas with use of vegetation. In general, it can be concluded that the frequency and quality of vegetation are important factors which affect the land surface temperature.

Keywords: land surface temperature, NDVI, TM sensor, city
Full-Text [PDF 1953 kb]   (1058 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/03/15 | Accepted: 2015/09/17 | Published: 2017/02/26
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narangifard M, Mazidi A. Assessing the impacts of change in the quality of the vegetation on temperature range in district one of Shiraz . جغرافیایی. 2017; 16 (56) :201-220
URL: http://geographical-space.iau-ahar.ac.ir/article-1-1586-en.html

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Volume 16, Issue 56 (3-2017) Back to browse issues page
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