GCSE Rivers Glossary Part 1 5.0 / 5 based on 1 ratingTeacher recommended ? GeographyWater and riversGCSEEdexcel Created by: AbigailCreated on: 09-09-12 10:16 10398647152 Across 1. the point at which rivers meet (10) 6. The sheer force of the water by itself can erode material from the bed and banks of the river channel (9, 6) 7. the amount of water passing a specific point at a given time. This become larger downstream as a result of the joining of many tributaries. It is calculated as: cross-sectional area x velocity, and measured in cubic metres per second (m³/sec). (9) Down 2. the tidal mouth of a river, with large, flat expanses of mud exposed at low tide (7) 3. high nitrate levels combined with phosphates cause excessive plant and algae growth, a deteriorating process that results in loss of oxygen and the biological death of the river (14) 4. the wearing away of the bed and banks of the river channel by abrasion, hydraulic action, solution and attrition (7) 5. the wide, flat floor of a river valley. It consists of sediments (alluvium) deposited by the river (5, 5) 8. a steep-sided, narrow rocky valley marking the retreat of a waterfall (5) 9. the land that is drained by a river and its tributaries (8, 5) 10. rock particles (clay, silt, sand and gravel) deposited by a river (8)
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