Managing flood risk | Baamboozle - Baamboozle | The Most Fun Classroom Games!

A disadvantage of embankments (manmade levees)

Embankments increase channel capacity, so if they fail a large volume of water is released suddenly causing even more damage.

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A disadvantage of Flood Abatement

Coniferous trees are often planted as they grow fast but they increase soil acidity through needle litter, which can reduce soil fertility therefore affecting

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What is the term for extra channels built next to rivers or leading from them and an advantage?

Term: Flood Relief Channels / Adv: The river can be re-routed to by-pass settlements under threat.

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What is the advantage of channelisation?

Reduces channel friction, increasing velocity (water speed) increasing discharge which reduces the risk of flooding in that area.

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What is an advantage of washlands?

Safe place for floodwater preventing it from affecting valuable areas or Deposited alluvium is fertile which may be useful for agricultural use.

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trap

No points!

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shark

Other team loses 20 points!

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shark

Other team loses 20 points!

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banana

Go to last place!

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An advantage of River restoration (restoring the river's original course)

Can slow rivers down preventing flooding downstream by removing levees & restoring meanders or more attractive or habitats for wild life.

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lifesaver

Give 20 points!

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gift

Win 20 points!

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rocket

Go to first place!

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lifesaver

Give 20 points!

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What is the term for plating trees as a flood management technique

Flood Abatement (Afforestation)

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What is an embankment (manmade levee)

High banks built on/near river banks

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What is the name for an area of the flood plain that are allowed to flood and one disadvantage?

Term: Washland / Disad: Land that could have been developed on, for example, for housing is unusable.

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What is the term for deepening and/or straightening the the river?

Channelisation

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A disadvantage of dams and reservoirs.

Sediment is trapped behind the dam, reducing the amount carried downstream to floodplains, which lowers alluvium deposition, therefore reduces soil fertility.

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