BOSCASTLE FLOOD CASE STUDY BBC

BOSCASTLE FLOOD CASE STUDY BBC

The bridge acted like a dam and eventually smashed through causing a surge of water up to 5m high. There were very few trees to absorb water and slow the amount of water going into the river. These became saturated so water became surface run-off very quickly. A line of very heavy rain starts at about 1 p. The drainage basin of Boscastle is steep and impermeable rock.

It remains over the area for about six hours. This link opens in a new window. A few old arch bridges got blocked up with the flood debris. The soils were quite thin and made up of impermeable peat soils. A line of very heavy rain starts at about 1 p. Rainfall Radar Animation of rainfall radar. The drainage basin of Boscastle is steep and impermeable rock.

boscastle flood case study bbc

Animation of rainfall radar. Rainfall Radar Animation of rainfall radar. Huge amounts of water from this sudden downpour flowed into two rivers, the Valency and Jordan which flows into the Valency just above Boscastle.

Rivers and flooding – Revision 3 – KS3 Geography – BBC Bitesize

The thickest cloud is shown by the brightest white areas on the picture. Responses to the flooding John Prescott, the Deputy Prime Minister, and Prince Charles visited members of the emergency services and the local GP surgery, which acted as the emergency centre, in the days following the disaster.

Boscastle, Cornwall In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours. The xase rate key shows how the colours in the image relate to the rate the rainfall is falling.

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Cars boscastoe swept out to sea, buildings were badly damaged and people had to act quickly to survive. The rock in the local area is slate which does not allow percolation. The bcb basin of Boscastle is steep and impermeable rock. Animation of Satellite images Flash Player required. The bridge acted like a dam and eventually smashed through causing a surge of water up to 5m high. British Isles case study: Human Impacts There was a huge financial cost to the floods.

Flood management case study: There is more about surface pressure charts in the weather section of the Met Office website. A depression brought a thunderstorm on 16 August with over mm of rain in 24 hours. There were very few trees to absorb water and slow the amount of water going into the river. Fortunately, nobody died — thanks largely to a huge rescue operation involving stkdy — but there was millions of pounds worth of damage.

boscastle flood case study bbc

Flooding On the day of the flood, about 75mm of rain fell in two hours — the same amount that normally falls in the whole of August. Many trees had been cut down for farming. The church was filled with six feet of mud and water.

Map of the area affected What happened to cause this event? Weather chart Fig 1.

River management – AQA – Revision 5 – GCSE Geography – BBC Bitesize

caze Slide show of photographs of the Boscastle flood. Physical Impacts Flooding On the day of the flood, about 75mm of rain fell in two hours — the same amount that normally falls in the whole of August.

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boscastle flood case study bbc

A trough is an area of localised rain and thunderstorms. Physical Impacts Responses to the flooding What happened to cause this event?

Tree management – dead trees were removed to prevent them being swept away, causing blockages under bridges. These became saturated so water became surface run-off very quickly.

It is a warm and moist tropical maritime air mass. The weight of water eroded river banks, damaged gardens and pavements.

Case Study – Boscastle Floods

Boscastle is at the confluence of three rivers – Valency, Flooe, and Paradise. In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours. We are investing in new ways of predicting heavy rainfall events on a small scale to produce better warnings. The Environment Boscastpe has carried a major project to increase flood defences in Boscastle, with the aim of preventing a similar flood happening again.

The pictures show cloud forming over Boscastle at about 1 p.