I’ve been spending recent months applying our novel methodology of quantifying the urban heat island (UHI) effect on surface air temperature, now using Landsat-based Impervious Surface (IS) cover fraction as a proxy for urbanization. This is an adaptation of our published research using population density (PD) as a proxy for urbanization, in which we showed … Continue reading The Urban Heat Island and Urban Cool Island: A Few Examples for U.S. Major Metropolitan Areas