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Streams Vocabulary
Question | Answer |
---|---|
Bedrock: | The solid rock underneath loose deposits like soil |
Till: | The “leftover” rock fragments that range from small to boulder size and randomly arranged without bedding. |
Stratification | Rock forming in layers |
Meander: | Curves, bends, turns, or windings in the channel of a river, stream. The water does not travel in a straight path |
Cutbanks: | The outside bend of a water channel (river or stream), which is continually undergoing erosion. |
Point Bar: | A low, curved ridge of sand and gravel along the inner bank of a meandering stream |
Oxbow Lake: | a crescent shaped lake formed where the water flow from a meandering stream gets cut off because the water cuts across and takes a different path, no longer flowing around the loop of the bend. |
Discharge Rate: | The amount of water that is flowing and its velocity (rivers have a higher discharge rate than streams) |
Load: | Any sediment being carried to a different place. |
Floodplain: | An area of low lying ground adjacent to a river that often floods. |
Gradient: | Slope of a stream bed or hillside. |
Delta: | A mass of material deposited in a triangle shape or fan shape at the mouth (beginning) of a river |