EntityQ1434713· pop 9· linked from 223 articlesimpervious surfaceSign in to saveartificial structures—such as pavements covered with water-tight materialsConnectionsdrainage basinEntityoxygenEntityagricultureEntityecologyEntityMissouriEntityiceEntityrockEntitygasEntityorganismEntityroadEntitymineralEntityairportEntityliquidEntitysolidEntitynatural environmentEntitypopulation densityEntitybrickEntityportEntitygasolineEntityconcreteEntityCategoriesEnvironmental soil scienceHydrologyHydrology and urban planningSoil degradationUrban studies and planning terminologyWater pollution