A depression brought a thunderstorm on 16 August with over mm of rain in 24 hours. Rock that allows water through it during times of flood. Which part of the flood hydrograph shows how long it takes for rainwater to reach the river? They increase the lag time. What of these is a human cause of flooding? Sign up to Comment. A small north Cornish town popular with tourists.
Report Wed 3rd May, What is impermeable rock? Roads blocked so rescue by helicopter only. There were very few trees to absorb water and slow the amount of water going into the river. It flooded in August , washing cars and buildings into the sea and putting peoples’ lives in danger.
Geography Case Studies – Water on the Land. Boscastle is at the confluence of three rivers – Valency, Jordan, and Paradise.
A depression brought a thunderstorm on 16 August with over mm of rain in 24 hours.
Boscastle is also located on a confluence of three rivers. How many storms have occurred during one month.
Where did the red mud in Hungary come from? Effects Homes, businesses and bitesizd belonging to more than 1, people were swept away. Boscastle is a small coastal settlement in the south west of England.
River flooding and management issues – Revision 3 – GCSE Geography – BBC Bitesize
How and when a rainfall event affects the discharge of a river. People in LEDCs cannot afford home insurance so they lose everything. Rock that doesn’t allow water through it. All Things That could be improved in italic and Bold.
MEDC CaseStudy – Boscastle Flooding
Hit by catastrophic floods on 16th August In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours. Lack of any flood control eg; raised banks around river and emergency drainage ditches. Sign up to Comment. What of these is a physical cause of flooding? The flooding coincided with a high tide, making the impact worse. It flooded in Augustwashing cars and buildings into the sea and putting peoples’ lives in danger. British Isles case study: There were vast numbers of subsequent insurance claims.
Boscastle, Cornwall In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours. They increase the peak discharge. The flooding coincided with a high tide, making the impact much worse. The rock in the local area is slate which does not allow percolation.
Many trees had been cut down for farming. What of these is a human cause of flooding?
Rain for 12 out of 14 days in August. Approximately permanent residents but more effected due to influx of tourists.
River management – AQA – Revision 5 – GCSE Geography – BBC Bitesize
The bridge acted like a dam and eventually smashed studdy causing a surge of water up to 5m high. The topography of the land. Water on land – case studies.
A large quantity of water all arrived within a short space of time causing the rivers to overflow. Rock that does allow water through it. Raising the car park and using a permeable surface – this allowed cars to be much higher and so they were less likely to be swept away.