distinguish between =

1. degradation and aggradation

2. tributries and distributries

3. weathering and erosion

1. degradation and aggradation: 

  • Aggradation refers to the deposition of material eroded from upstream channel or watershed. 
  • Degradation refers to the lowering of the streambed due to upstream sediment supply deficit.

2. tributaries and distributaries:

  • Distributaries is a stream that branches off and flows away from a main stream channel
  • Tributaries is a stream or river that flows into a main river

3. weathering and erosion: 

  • Weathering is the breaking down of rocks, soils and minerals 
  • Erosion is the removal of rocks and sand from the Earth's surface by natural processes such as wind or water flow, and then transported and deposited in other locations

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