runoff « Back to Glossary IndexThat portion of precipitation that is not absorbed into the soil but flows into surface streams. Related Articles: 1. RIVER AND RIVER BASIN2. THE SHAPE OF A RIVER6. SELF-PURIFICATION PROCESSES IN RIVERS7. RIVERS WITH HIGH SELF-PURIFICATION CAPABILITYImportance of Wetlands and Forests« Back to Glossary Index Materials and Worksheets Share: admin Previous post ground-water recharge 26/10/2018 Next post water 26/10/2018