Abstract
The study simulates the changes of the population spatial distribution at three periods (daytime of workdays, daytime of non-workdays, and night) in 2012 in Dagushan peninsula of Dalian Development Zone on the ground of change in land use, based on the multi-temporal visual interpretation of remote sensing and GIS spatial analysis techniques. It establishes the individual risk contours and societal risk F-N curves in different periods of Dalian Qihua area according to risk prediction model, and then reveals the dynamic changing mechanism of regional environmental risk.
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