Human Interaction with Surface Processes (Junior Cert Geography): Flashcards
📚Flashcards
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13 cards from this deck
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Practise the cards
13 cards from this deck
Purpose of dams
Purpose of dams
Generate electricity & control water flow
Dam advantage: flood control
Dam advantage: flood control
Manage river flow, reduce downstream flooding risk
Dam advantage: energy type
Dam advantage: energy type
Hydroelectric power (clean, renewable)
Dam disadvantage: area impact
Dam disadvantage: area impact
Permanently flooded, destroys farmland
Dam disadvantage: sediment effect
Dam disadvantage: sediment effect
Builds up behind dam, reduces reservoir capacity
What are groynes?
What are groynes?
Concrete/wooden walls at right angles to sea
Process groynes prevent
Process groynes prevent
Longshore drift
What is rock armour?
What is rock armour?
Large boulders at cliff/dune base absorbing wave energy
Sea wall purpose
Sea wall purpose
Protect towns, curved to reflect waves & reduce erosion
What are gabions?
What are gabions?
Wire cages filled with stones to absorb wave energy
Glacial agriculture feature
Glacial agriculture feature
Boulder plains provide fertile land for grazing & crops
Glacial construction materials source
Glacial construction materials source
Sand & gravel from moraines and eskers
Glacial tourism activities
Glacial tourism activities
Hill walking, mountain climbing, skiing
