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ES Chapter 13 Study
ES Chapter 13 Study Guide Water and Erosion Coach Leach
| Question | Answer |
|---|---|
| alluvial fan | fan-shaped deposit of sediments at the base of a slope on land |
| channel | path that a stream follows |
| condensation | process by which water vapor changes to liquid water |
| delta | fan-shaped deposit of sediments at the mouth of a stream |
| desalination | process of removing salt from ocean water |
| discharge | volume of water moved by a stream within a given time |
| divide | elevated region that separates two watersheds |
| evapotranspiration | process by which water enters the atmosphere; evaporation and transpirtation combined |
| floodplain | part of the valley floor that may be covered with water during a flood |
| gradient | change in elevation over a distance |
| groundwater | water that soaks deep into soil and rock |
| headward erosion | lengthening and branching of a stream |
| headwaters | beginning of a stream |
| meander | wide curve in a stream channel |
| natural levee | raised riverbank that results when a river deposits its load at the river's edges |
| oxbow lake | water remaining in an isolated meander in a floodplain |
| precipitation | process by which water falls from clouds to the earth as rain, snow, sleet, and hail |
| rejuvenated | describing a river with a gradient that has been made steeper by a movement of the earth's crust |
| runoff | water that flows over the land into streams and rivers |
| saltation | movement of sand by short jumps, caused by wind or water |
| stream load | sediments carried by a stream |
| stream piracy | capture of a stream in one watershed by a stream in another watershed |
| tributary | feeder stream that flows ino a main stream |
| water budget | gains and losses of water from a region |
| water cycle | continuous movement of water from the air to the earth and back again |
| watershed | land from which water runs off into a stream |
| wind gap | water-eroded notch in a mountain through which water no longer flows |