1. Institute of Remote Sensing and Geographic Information System, School of Earth and Space Sciences,Peking University, Beijing 100871, China 2. Beijing Key Laboratory of Spatial Information Integration and Its Application, Peking University, Beijing 100871, China
Based on the remote sensing data, this paper aims to construct an urban environment livability evaluation system on the basis of remote sensing factors and further evaluate the livability of the urban environment. An object-oriented classification method was used to classify urban ecological land into five categories from GF-1 satellite data: water body, vegetation area, road, building land, and bare soil. In addition, the urban surface temperature was retrieved from Landsat8 thermal infrared data and then, the urban thermal environment was calculated. Finally, on the basis of constructing the urban ecological land and urban thermal environment factors, a weight method was used to calculate the ecological quality index (EQI) of the city in order to establish an overall evaluation system of urban environmental livability. Applications in Beijing City showed that, from 2013 to 2014, the urban heat island effect in Beijing was not obvious, and most areas were suitable or basically suitable for human habitation.
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2020, Vol. 32 
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