A blog to help students at GCSE revise their case studies for their exams. Use the menu to select topics from each of the four units of the course. Post a Comment. Monday, 12 April Boscastle floods of The Boscastle floods were an example of flash flooding - an immediate response by a river to a period of intensive heavy rainfall.
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Case study: Boscastle - Rivers and flooding - KS3 Geography Revision - BBC Bitesize
The villages suffered extensive damage after flash floods caused by an exceptional amount of rain that fell over eight hours that afternoon. The flood in Boscastle was filmed and extensively reported but the floods in Crackington Haven and Rocky Valley were not mentioned beyond the local news. The floods were the worst in local memory. A study commissioned by the Environment Agency from hydraulics consulting firm HR Wallingford concluded that it was among the most extreme ever experienced in Britain. The annual chance of this or a greater flood in any one year is about 1 in At midday on 16 August , heavy thundery showers had developed across the South West due to a weak disturbance to the northeast of the United Kingdom.
2004 Boscastle flood
This combined with the Valency valley being narrow led to a very high discharge descending into the valley bottom of Boscastle in a short space of time Bull, Roseveare and Trapmore, BBC, a. BBC, b. BBC, c.
On August 29, , a storm that destroyed the lives of countless innocent people, left families in full desolation, and changed the lives of millions within a few hours, hit the Gulf Coast. The storm, which is also known as Hurricane Katrina, lasted eight days from August 23, to August 31, with its highest wind speed at mph. It is known to be one of the largest, deadliest, and costliest storms ever to hit the United States.