Across
- 2. The boundary of a drainage basin.
- 7. The sea where the Nile flows into.
- 9. When water enters the soil.
- 10. The zone of saturation.
- 12. Movement of water in vegetation.
- 14. Evaporation from vegetation.
- 15. Increased runoff due to increased impermeable surfaces.
- 17. Reduced storage capacity due to silting.
- 18. Movement of water in the ground.
- 19. Where two or more tributaries meet.
- 20. Largest river by drainage area.
Down
- 1. Another name for a drainage basin.
- 3. The shape of a basin that increases lag time.
- 4. Rainfall
- 5. When vegetation block rainfall.
- 6. Smaller river channel that joins into main channel.
- 8. Human factor affecting a drainage basin.
- 11. Reduced infiltration from lack of interception.
- 13. Second largest river by drainage area.
- 16. When water floods over land.
