Core Knowledge - Component 1 - Hydrographs, Flooding, River Management, Coasts Intro Flashcards
1
Q
Name five key parts of a hydrograph.
A
- Peak discharge
- Rising limb
- Peak rainfall
- Falling limb
- Lag time
2
Q
Give some causes of the Boscastle flooding.
A
- High tide
- Steep valley sides
- Overland flow
- Impermeable surfaces
- Surface runoff
- Ground saturated due to storms in the days before
- Confluence of the RIver Valency and River Jordan
3
Q
Give two effects of the Boscastle flooding.
A
- Roads blocked by helicopters
- Property destroyed
- Emergency accommodation
- Vehicles carried out to sea
- Insurance costs increases for homeowners
- Tourism industry seriously affected
