BOSCASTLE CASE STUDY BBC BITESIZE

There were vast numbers of subsequent insurance claims. Pavements and gardens damaged by weight of water. What caused the Boscastle flood of ? Small, low bridges over river trapped material and cars acting as a damn and causing more water to flow around the bridge leading to flooding. No lives were lost, partly due to the rapid response of the emergency services.

A depression brought a thunderstorm on 16 August with over mm of rain in 24 hours. Sign up to Comment. They increase the peak rainfall. How many storms have occurred during one month. Boscastle is a small coastal settlement in the south west of England. The bridge acted like a dam and eventually smashed through causing a surge of water up to 5m high. Flood management case study:

In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours.

boscastle case study bbc bitesize

Steep valley sides – water flowed into the river channel boscasgle quickly. People in LEDCs lack education so they do not understand that floods are dangerous. This had an impact on livelihoods and the local economy. A large quantity of water arrived within a short space of time causing the rivers to overflow.

Rivers and flooding – Test – KS3 Geography – BBC Bitesize

Raising the car park and using a permeable surface – this allowed cars bbbc be much higher and so they were less likely to be swept away. Report Wed 3rd May, Tree management – dead trees were removed to prevent them being swept away, causing blockages under bridges. Hit by catastrophic floods on 16th August Roads blocked so rescue by helicopter only. The ground was already saturated due to the previous 2 weeks of above average rainfall.

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This limited interception and water went straight into the river channel.

boscastle case study bbc bitesize

They increase the peak discharge. What caused the Boscastle flood of ? Many trees had been cut down for farming. Rock that allows water through it during times of flood.

They increase the peak rainfall. How do steep valley sides affect the flood hydrograph? The topography of the land. A large quantity of water all arrived within a short space of time causing the rivers to overflow. The drainage basin of Boscastle is steep and impermeable rock.

MEDC CaseStudy – Boscastle Flooding

People in MEDCs live on lower ground so they cannot return home very quickly. Rain for 12 out of 14 days in August.

What of these is a physical cause of flooding? A few old arch bridges got blocked up with the flood debris. Boscastle, Cornwall In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours. The flooding coincided with a high tide, making the impact worse.

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MEDC CaseStudy – Boscastle Flooding – Causes and effects table in GCSE Geography

Increase in buildings within the drainage basin meant that there more impermeable surfaces which directed water back to the river faster. Rock that doesn’t allow water through it. Boscastle is at the confluence of three rivers – Valency, Jordan, and Paradise. Red mud and clay from a river bed. Water on land – case studies.

How and when a rainfall event affects the discharge of a river. Boscastle flood Emergency services on the scene of the flooded village of Boscastle. No lives were lost, partly due to the rapid response of the emergency services.

It flooded in Augustwashing cars and buildings into the sea and putting peoples’ lives in danger. Where did the red mud in Hungary come from?