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ES 4 & 5 vocabulary
ES 4 & 5 vocabulary
| Term | Definition |
|---|---|
| slope | the angle or slant of a stream channel or land surface |
| alluvial fan | a fan-shaped landform deposited at the end of a steep canyon where the slope becomes flatter |
| flood | a very heavy flow of water, which is greater than the normal flow of water and goes over the stream's normal channel |
| flash flood | rises and falls rapidly with little or no advance warning, usually as the result of very heavy rainfall over a relatively small area |
| landslide | the rapid downward sliding of a mass of earth and rock. Causes could be oversteepening of slopes by erosion, heavy snow melt, or earthquakes |
| levee | an embankment along a stream that protects land from flooding |
| dam | a construction or wall across a river that holds back the water flowing through the river creating a reservoir or lake |
| flood plain | the area around a river that is covered by water flowing over the riverbank during a flood |