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Understanding Watersheds: Key Concepts and Terms Explained

This text provides an overview of critical vocabulary related to watersheds, including definitions of essential terms such as drainage basin, elevation, topographical map, divide, headwaters, tributary, floodplain, sediments, erosion, deposition, meander, oxbow lake, mouth, and delta. Each term enhances understanding of how watersheds function and their significance in the hydrological cycle. These definitions help illustrate the dynamic interactions between water systems and the surrounding land, making them crucial for environmental studies.

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Understanding Watersheds: Key Concepts and Terms Explained

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  1. Watersheds Vocabulary Snapshots

  2. watershed • The land area that supplies a river system • A.K.A drainage basin

  3. elevation • Level of height above sea level

  4. Topographical map • A map that uses contour lines to show the changing elevations of an area on the Earth’s surface • A.K.A. relief map

  5. Divide • A ridge of land that separates one watershed from another

  6. headwaters • The many small streams that come together at the source (start of river)

  7. tributary • A smaller stream that feeds into a main river

  8. Flood plain • A broad flat valley through which a river flows

  9. sediments • The particles of rocks and soil are broken off from the ground surface and carried away

  10. erosion • The process by which fragments of soil and rock are broken off from the ground and carried away

  11. Deposition • The process by which soil and rock are deposited in a new location

  12. meander • A looping curve formed in a river as it winds through its flood plain

  13. Oxbow lake • the crescent-shaped, cutoff body of water that remains after a river carves a new channel

  14. mouth • The point where the river flows into another body of water

  15. delta • The area of sediment deposits that build up near a river’s mouth

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