Impervious surfaces are mainly artificial structures—such as pavements (roads, sidewalks, driveways and parking lots, as well as industrial areas such...

infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved streets, car parks, parking lots, footpaths, sidewalks...

community.   Human development activities, such as the increase of impervious surfaces, results in quicker, high intensity flood pulses, delivering larger...

impervious surface reduction and volume reduction. Impervious surface reduction is the most common credit where sites are credited with an impervious...

stormwater drainage from impervious surface runoff. This system imposes a tax that is proportional to the total impervious area on a particular property...

heat deflection temperature. The styrene gives the plastic a shiny, impervious surface, as well as hardness, rigidity, and improved processing ease. The...

swales or culverts, hardscape with an impervious surface requires artificial methods of drainage or surface runoff to carry off the water that would...

rain arrives more quickly than the soil can absorb it. Surface runoff often occurs because impervious areas (such as roofs and pavement) do not allow water...

that the surface gravel "should be a blend of stone, sand and fines that will compact into a dense, tight mass with an almost impervious surface." It emphasizes...

retained the water. Flooding can be exacerbated by increased amounts of impervious surface or by other natural hazards such as wildfires, which reduce the supply...