Response Analysis of Land Cover Types on Urban Heat Island Effect

doi:10.13474/j.cnki.11-2246.2018.0013

Abstract

Abstract:

This paper uses MODIS surface temperature data and land cover products in summer, combines with Landsat and other remote sensing data to extract the information of land cover and land surface temperature in Jinan, Wuhan and Chongqing in 2003,2008,2013,to determine the distribution of heat island grades in the three cities in different years. On this basis, it analyzes the relationship between the characteristics of land surface temperature, the distribution of heat island and the factors of land cover types in Jinan, Wuhan and Chongqing. The results show that urban land use is the main contributing factor of urban heat island, and the correlation coefficient is 0.42.The most effective way to alleviate the urban heat island effect is forest land, and the average correlation coefficient is -0.41.The best land type to alleviate the urban heat island is not exactly the same in three cities:Jinan's is forest land and cultivated land,Wuhan's is water,Chongqing's is forest land.

Key words: urban heat island, land cover, MODIS, surface temperature

CLC Number:

P237

YI Chuanxiang, HU Jichao, LI Xiaojun. Response Analysis of Land Cover Types on Urban Heat Island Effect[J]. 测绘通报, 2018, 0(1): 72-76,116.

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