BOSCASTLE FLOOD CASE STUDY MANAGEMENT

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Download the free PDF resource. Sorry, your blog cannot share posts by email. By continuing to browse our site you are agreeing to our use of cookies. Very heavy rain fell in storms close to the village, with over 60mm of rainfall in two hours. We use cookies to deliver functionality and provide you with a better service. Huge amounts of water from this sudden downpour flowed into two rivers, the Valency and Jordan which flows into the Valency just above Boscastle.

Please Support Internet Geography If you’ve found the resources on this site useful please consider making a secure donation via PayPal to support the development of the site. Cars were swept out to sea and buildings were badly damaged. The rainfall rate key shows how the colours in the image relate to the rate the rainfall is falling. We use cookies to deliver functionality and provide you with a better service. Physical Impacts Responses to the flooding What happened to cause this event?

About two billion litres of water then rushed down the valley straight into Boscastle.

The Boscastle flood of – A case study of cause, effect and response

Hurricane Katrina Case Study. 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. For example, the red areas indicate that rain is falling at between eight and 16 mm per hour. This included widening and deepening the Valency Cxse, and installing a flood culvert to improve flow in the Jordan River.

The defences would not protect against a flood the same size as the one in However, the scheme could have been significantly better, though some options were too expensive. 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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The flooding also had several other key impacts on Boscastle and its inhabitants. By continuing to browse the site, floos are agreeing to our use of cookies.

Animation of Satellite images Flash Player required. 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 the effect of a dam.

Extract The flood on 16 August in Boscastle in Cornwall was the worst in local memory and an Environment Agency report concluded that it was among the most extreme ever experienced in Britain. Very heavy rain fell in storms close to the village, with over 60mm of rainfall in two hours.

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The thickest cloud is shown by the brightest white areas on the picture. Flood Management Scheme — Boscastle A flood management scheme following the floods.

Don’t show this message again. Very heavy rain fell in storms close to the village, causing two rivers to burst their banks.

The risk of flooding has been reduced making Boscastle safer.

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boscastle flood case study management

Radar imagery Fig 2. The rebuilding projects and construction of flood defences took several years which meant the lives of local people were disrupted for sometime. Additionally, the deluge studt water coincided with a high tide. Flood management case study: Cars were swept out to sea and buildings were badly damaged. Fortunately, nobody died — thanks largely to a huge rescue operation involving helicopters csse but there was millions of pounds worth of damage.

boscastle flood case study management

Land owners were encouraged to maintain vegetation and plant new trees. Since the Boscastle case was re-run with a higher resolution research model which proved able to resolve the line of thunderstorms with much more accuracy and detail.

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Flood Management Scheme — Boscastle. Widening and deepening the river channel – this allowed the river to carry more water. The drainage basin of Boscastle is steep and impermeable rock.

boscastle flood case study management

Tree management – dead trees were removed to prevent them being swept away, causing blockages under bridges. If you’ve found the resources on this site useful please consider making a secure donation via PayPal to support the development of the site. Related Topics Use the images below to explore related GeoTopics.