The Relationship Between Urban Heat Island and Land Use/Cover Changes in Guangzhou City
SUN Qin-qin 1,2, WU Zhi-feng 2,3, TAN Jian-jun 2
1.College of Oceanography and Environmental Science, Xiamen University, Xiamen 361005, China; 2.Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; 3.Guangdong Institute of Eco-environment and Soil Sciences, Guangzhou 510650, China
In this paper, the land surface temperature (LST) was retrieved from Landsat TM image using the Mono-Window algorithm. To study the relationship between LST and different land use classes (LUC), the authors used several indices, which included Normalized Difference Vegetation Index (NDVI), Modified Normalized Difference Water Index (MNDWI), Normalized Difference Build-up Index (NDBI), and Normalized Difference Barren Index (NDBaI). It is found that the correlation between NDVI and LST is negative when NDVI is limited in range, and that there exist positive correlations between NDBI, NDBaI, MNDWI and LST. The multiple linear regression equation was established between LST, DEM and the above indices. Both qualitative and quantitative analytical results show that LUC can influence urban temperature. Therefore, with appropriate land use planning, the urban heat island (UHI) could be mitigated.
孙芹芹, 吴志峰, 谭建军. 不同土地利用类型的城市热环境效应研究—以广州市为例[J]. 国土资源遥感, 2010, 22(4): 67-70.
SUN Qin-Qin, WU Zhi-Feng, TAN Jian-Jun.
The Relationship Between Urban Heat Island and Land Use/Cover Changes in Guangzhou City. REMOTE SENSING FOR LAND & RESOURCES, 2010, 22(4): 67-70.
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