Geography: water on the land

Water on the land quiz

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1. What are the four types of river erosion?

  • Suspension, Corrosion, Traction, Hydraulic action
  • Attrition, Abrasion, Corrosion, Hydraulic action
  • Attrition, Traction, Saltation, Abrasion
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2. What landforms can you find in the upper course of the river?

  • V shaped valleys, interlocking spurs, rapids
  • Rapids, meanders, oxbow lakes
  • Meanders, floodplains, deltas

3. Lateral erosion occures on the outside of meanders

  • True
  • False

4. What is lag time?

  • The difference between peak discharge and the begining of rainstorm
  • The gap between peak rainfall and peak discharge
  • The difference between falling limb and peak rainfall

5. Which river is most likely to flood?

  • A high discharge and a short lag time
  • A low discharge and lengthly lag time
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Comments

alf.kemp

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yeah its wrong. impermeable rock means that water cannot infiltrate, therefore it runs straight into the river, increasing discharge

sbggis

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Isn’t traction a process of transportation? It does erode, but it is part of abrasion. River erosion can be remembered by this: SAHA = Solution, Attrition, Hydraulic action, and Abrasion.

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