| Term | Definition |
|---|
| discharge | volume of water flowing past a certain point in a given unit of time; measured in cubic meters per second; will change w. rainfall and snowmelt; size and velocity of stream also changes; channel widens and deepens ; size of channel increases, there is less friction and water flows more swiftly; |
| stream profile | cross-sectional view of stream from headwaters ( its source) to its mouth ( where river goes into another body of water) |
| tributary | stream that empties into another stream; humid regions, the groundwater supply adds even more water; river moves downstream, its width, depth, and veloicity change with increased volume of water; |
| base level | lowest point to which a stream can erod its channel;1) ultimate- sea level; 2) temporary - lakes, resistant layers of rock; streams that act as base level for their tributaries; |
| meanders | stream in broad, flat-bottomed valley; near its base level; with many bends; |
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