1. Transpiration Similar to evaporation, this is the loss of water through plants. – Pores in leaves (stomata) are opened to release oxygen and water vapor

2. Bed load Describes sediments that are too heavy or large to be kept in suspension or solution and are pushed or rolled along the bottom of a streambed.

3. discharge Measure of a volume of stream water that flows over a specific location in a particular amount of time. Discharge = width x depth x velocity (m 3 /s) (m) (m) (m/s)

4. divide Elevated land that divides one watershed, or drainage basin, from another.

5. flood Potentially devastating natural occurrence in which water spills over the sides of a streams banks into adjacent land areas.

6. floodplains Broad, flat, fertile area extending out from a streams bank that is covered with water during floods.

7. runoff Water that flows downslope on earth surface and may enter a stream river, on lake; its rate influence by the angle of the slope vegetation, rate of precipitation on, and soil composition.

8. solution Dissolved solids or gases carried by a stream

9. suspension State in which small particles, such as silt, or sand, or held up, and carried along by the turbulence of a streams moving water.

10. watershed Land area drained by a stream system.

11. delta Triangular deposit usually made up silt, and clay particles that forms were a streams enters a large body of water.

12. meander Curve or bend in a stream formed in a streams slope decreases, water builds up in the stream channel, and moving water erodes away the sides of the stream. Water velocity is highest around the outside of a meander curve.

13. rejuvenation Process during which a stream resumes downcutting towards its based level, increasing its rate of flow.

14. Stream bank Ground bordering each side of a stream that keeps the water confined.

15. Stream channel Narrow path way carved into sediments or rock by the movement of surface water.

16. eutrophication Process by which lakes become rich in nutrients from the surroundings watershed resulting in a change in the kinds of organisms in the lake.

17. lake Natural or human made body of water that can form when a depression land fills with water.

18. wetland Low-lying land areas, such as a bog or marsh that is covered in water a large part if the year and supports specific plant species.