The risk of flooding has been reduced making Boscastle safer. The Environment Agency has carried a major project to increase flood defences in Boscastle, with the aim of preventing a similar flood happening again. Meghna, Ganges, Brahmaputra Video. This link opens in a new window. You need to be able to compare and explain the different effects of and responses to flooding. Very heavy rain fell in storms close to the village, with over 60mm of rainfall in two hours. Overall summary The Response-.
Download the adaptable Word resource. Rainfall rates of at least 32 mm per hour are being measured. In a flood management scheme for Boscastle was completed. Using the Teachit Geography template, this sorting exercise provides a framework for investigating cause of, effect of and response to the Boscastle flood. Report Mon 3rd December, Widening and deepening the river channel – this allowed the river to carry more water. Cars were swept out to sea, buildings were badly damaged and people had to act quickly to survive.
There was a combination of human and physical causes contributing to a series of effects and impacts.
Flood Management Scheme – Boscastle – Internet Geography
Rainfall rates of at least 32 mm per hour are being measured. There is more about surface pressure charts in the weather section of the Met Office website. Small catchment area about 23km2 Impermeable upland area Bodmin Moor Steep-sided valleys Extremely wet summer, by August ground was saturated. Physical Impacts Responses to the flooding What happened to cause this event? The effects of and responses to floods vary between areas of contrasting levels of wealth. Low bridges removed River widened through Boscastle New flood defence wall built in village centre River bed lowered by an average of 0.
No-one died mainly due to the rapid response of the emergency services. Therefore, there is less risk of damage to property casd businesses.
The flood on 16 August in Boscastle in Cornwall was the worst in studj memory and an Environment Agency report concluded that it was among the most extreme ever experienced in Britain. Boscastle is also located on a confluence of three rivers. The pictures show cloud forming over Boscastle at about 1 p.
Gardens and pavements destroyed by weight of floodwater. The weight of water eroded river banks, damaged gardens and pavements. The solution included both soft and hard engineering strategies. 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.
RAF search and rescue were alerted to rescue trapped people.
River management – AQA – Revision 5 – GCSE Geography – BBC Bitesize
The drainage basin of Boscastle is steep and impermeable rock. Web page reproduced with the kind permission of the Met Office. Prince Charles, who is the Duke of Cornwall, made a large donation to a fund to help rebuild parts of Boscastle. Combined with this the drainage basin has many steep slopes and there are areas of impermeable slate that led to rapid run-off.
The effects of and responses to floods vary between areas of contrasting levels of wealth.
For example, the red areas indicate that rain is falling at between eight and 16 mm per hour. People were left homeless for the night, so emergency accommodation had to be set up.
About two billion litres of water then rushed stkdy the valley straight into Boscastle.
Pin It on Pinterest. There is more about rainfall radar in the weather section of the Met Office website.