https://www.usgs.gov/media/videos/stormwater-impervious-surface-and-stream-health
Urban development is associated with an increase in impervious surfaces, that is, surfaces such as rooftops, sidewalks, and streets that prevent precipitation...
impervious surfacegeological surveystormwaterstreamhealth
https://www.psu.edu/news/story/statewide-map-impervious-surface-areas-unveiled
Penn State researchers have concluded a two-year mapping project detailing the extent of impervious surface area (ISA) for the state of Pennsylvania....
penn state universityimpervious surfacestatewidemapareas