Report Mon 10th June, Water on land – case studies. Download the adaptable Word resource. Report Sun 28th October, The flash flood was a freak event. The danger of hypothermia, shock or even being swept away was great. Rivers and Boscastle floods quiz.
This is so good. Flood management case study: Boscastle, Cornwall In August , the village of Boscastle saw a month’s worth of rain fall in two hours. It is a warm and moist tropical maritime air mass. The responses to the flood were both short and long term.
Case Study – Boscastle
A line of very heavy rain starts at about 1 p. Rain for 12 out of 14 days in August. Sort statements to show these causes, effects and responses, e. About two billion litres of water then rushed down the valley straight into Boscastle. Increase in buildings within the drainage basin meant that there more impermeable surfaces which directed water back to the river faster.
Using the Teachit Geography template, this sorting exercise provides a framework for investigating egography of, effect of and response to the Boscastle flood. There is more about surface pressure charts in the weather section of the Met Office website.
A trough is an area of localised rain and thunderstorms. Report Sun 28th October, We are investing in new ways of predicting heavy rainfall events on a small scale to produce better warnings. Cars, walls and even bridges were washed away. The Boscastle flood of — A case study of cause, effect and response Using the Teachit Geography template, this sorting exercise provides a framework for investigating cause of, effect of and response to the Boscastle flood. Download the free PDF resource.
Effects Roads were blocked off by the floodwater, making emergency access difficult except from the air.
The Boscastle flood of – A case study of cause, effect and response
In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours. Destruction of houses, businesses and gardens Floodwater gushed into houses, shops and pubs. 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. Tree management – dead trees were removed to prevent them being swept away, causing blockages under bridges.
The river Valency had never had a major flood, so the residents of Boscastle saw no need to prepare for such an event. Land owners were encouraged to maintain vegetation and plant new trees. It is a warm and moist tropical maritime air mass.
Rainfall Radar Animation of rainfall radar. Fortunately, nobody died — thanks largely to a huge rescue operation involving helicopters — but there was millions of pounds worth of damage.
Hard impermeable surfaces increased bsurface run-off. The weight of water eroded river banks, damaged gardens and pavements.
These factors led to a flash flood which caused over one thousand homes, cars and businesses to be swept away and damaged. Flood management case study: 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.
Prince Charles, who is the Duke of Cornwall, made a large donation to a fund to help rebuild parts of Boscastle. Water on land – case studies.
The rain started, and within a few hours a massive 5 inches of rain had fallen in Boscastle alone. Rivers and Boscastle floods quiz. Satellite image The thickest cloud is shown by the brightest white areas on the picture. The church was filled with six feet of mud and water. Lfood drainage basin of Boscastle is steep and impermeable rock.
Repairs had to be made after the damage.