BOSCASTLE FLOOD 2004 CASE STUDY A LEVEL

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For this section of the unit you need two case studies, one from a richer area of the world – Boscastle, UK and one from a poorer part of the world – Dhaka, Bangladesh. Boscastle, Cornwall In August , the village of Boscastle saw a month’s worth of rain fall in two hours. Don’t show this message again. It is a warm and moist tropical maritime air mass. Slide show of photographs of the Boscastle flood. Land use – The upper part of the village has been developing urbanisation!

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. Hydrograph and brute facts Huge amounts of water from this sudden downpour flowed into two rivers, the Valency and Jordan which flows into the Valency just above Boscastle. The line labelled known as a trough line caused very heavy rain and thunderstorms. Floods devastate village On 16 August , a devastating flood swept through the small Cornish village of Boscastle. Image by Komilla Chadha.

The responses to the flood were both short and long term. Anonymous 16 June at There was a combination of human and physical causes contributing to a series of effects and impacts. The drainage basin of Boscastle is steep and impermeable rock.

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Destruction of houses, businesses and gardens Floodwater gushed into houses, shops and pubs. They also arrange emergency accommodation and medical care. Both overflowed, and this caused a sudden rush of water to speed down the Valency — which runs through the middle of Boscastle. Removing low bridges and replacing them with wider bridges – this meant large amounts of water could flow freely underneath the bridge and the bridge wouldn’t act like a dam in the flood, vegetation and debris became blocked, creating flooe effect of a dam.

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The effects of and responses to floods vary between areas of contrasting levels of wealth.

Cause, effect and response Floods More resources by this contributor 2. The thickest cloud is shown by the brightest white areas on the picture.

boscastle flood 2004 case study a level

Cars were swept out to sea, buildings were badly damaged caze people had to act quickly to survive. This link opens in a new window.

AS With Komilla.: (AS Geography Case Study) Boscastle Flash Flood

The effects of and responses to floods vary between areas of contrasting levels of wealth. Rainfall rates of at least 32 mm per hour are being measured. In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours. Also, they support police in arranging evacuation and providing rest centres.

boscastle flood 2004 case study a level

Web page reproduced with the kind permission of the Met Office. A line of very heavy rain starts at about 1 p. RAF search and rescue were alerted to rescue trapped people.

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boscastle flood 2004 case study a level

Slide show of photographs of the Boscastle flood. Download the adaptable Word resource. They monitor water levels and flows. Floods devastate village On 16 Augusta devastating flood swept through the small Cornish village of Boscastle. Human Impacts There was a huge financial cost to the floods.

Boscastle Case Study

A flash flood is is a rapid flooding of geomorphic low-lying areas – washes, riversdry lakes and basins. Boscastle, Cornwall In Augustthe village of Boscastle saw a month’s worth casw rain fall in two hours.

Widening and deepening the river channel – this allowed the river to carry more water. Cars, walls and even bridges were washed away.

The line labelled known as a trough line caused very heavy rain and thunderstorms. Hydrograph and brute facts Image by Komilla Chadha.

Animation of Satellite images Flash Player required. Flooding On the day of the flood, about 75mm of rain etudy in two hours — the same amount that normally falls in the whole of August. Severe floods in and Confluence of three rivers: Damage was caused to local wildlife habitats.

Land use – The upper part of the village has been developing urbanisation!