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An Assessment of Urban Heat Island Effect using Remote Sensing Data. OceanDocs
Wang, Guiling; Jiang, Weimei; Wei, Ming.
Characteristics of urban heat island (UHI) effect and its cause are investigated by using MODIS data in April 2004. Surface parameters from the MODIS data have surface temperature (ts), albedo(a), and normalized difference vegetation index (NDVI). Their heterogeneities over urban and rural area are analyzed based on land cover classification, and their relations are also presented in order to explain the UHI effect. The results show that there exists obvious the UHI effect. Ts over urban areas are by 10.83 % higher than those over rural area,and NDVI and a over urban area are by 62 % and 18.75 % less than those over rural area, respectively. Surface temperature has significantly negative correlation with NDVI and their correlation coefficient is -0.73....
Tipo: Journal Contribution Palavras-chave: Remote sensing; Albedo; Surface temperature.
Ano: 2008 URL: http://hdl.handle.net/1834/5876
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