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5 Written Questions

5 Matching Questions

  1. stream terraces
  2. superposed streams
  3. discharge
  4. erosion
  5. floodplain deposits
  1. a levees
  2. b total volume of water moving past a particular point over a given period of time (to calculate, need the channel dimensions to calculate area and the stream velocity: Q (discharge)= V* A
  3. c i.e. Delaware river water gap; stream cuts into pre-existing geologic structures such as anticlines
  4. d physical removal of particles by either abrasion, movement, or dissolution
  5. e remnants of floodplains from when stream was flowing at a higher level; flat surfaces above current stream valley / formed by slow uplift of land surface over which meandering streams with floodplains are flowin

5 Multiple Choice Questions

  1. point bars, oxbow lakes
  2. stream cuts deep channel as land is uplifted (i.e. stream channel is maintained as an anticline is forming resulting in the stream cutting through the structure instead of following beside it)
  3. bed load, suspended load, dissolved load
  4. slope over which the stream flows (i.e. if the headwaters are at 1000 meters and the stream flows 500 km to the sea, the gradient is 1000m/500km= 2m/km)
  5. down cutting occurs when stream has more energy than is required to carry its sediment load

5 True/False Questions

  1. incised meanderspreviously established meanders in area that is being uplifted-
    form from deep downcutting of meandering stream through hard bedrock. Shape of meanders is
    preserved in river canyon shape

          

  2. dissolved loadsmaller particles that move with the water- too small to settle out. Whether a particular particle is transported or not and how it is transported depends on the energy level of the stream and the size and shape of the particle

          

  3. bed loadform when the stream flows into larger body of calm water and sediment load is deposited

          

  4. depositionbraided streams, meandering streams, floodplain deposits, deltas, alluvial fans

          

  5. braided streamsi.e. Delaware river water gap; stream cuts into pre-existing geologic structures such as anticlines

          

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