Multi-Source Remote Sensing Feature Fusionfor Extracting Impervious Urban Surfaces

Impervious surfaces include roads, driveways, sidewalks, parking lots, and roofs covered by impervious building materials, such as tiles, asphalt, cement concrete, and other materials.Such surfaces negatively affect the urban ecological environment by replacing the vegetation-based natural landscape, hindering surface water infiltration, and aggravating the surface runoff process [1].Expanding impervious urban surfaces has significantly impacted urban and near-urban meteorological and hydrological dynamics [2][3][4].The heat-absorbing characteristics of artificial building materials and increases in particulate matter in the air alter monsoon patterns.These effects result in surges in rain in the summer, causing urban