We are investing in new ways of predicting heavy rainfall events on a small scale to produce better warnings. These factors led to a flash flood which caused over one thousand homes, cars and businesses to be swept away and damaged. Very heavy rain fell in storms close to the village, causing two rivers to burst their banks. In addition, the media coverage Boscastle received resulted in , tourists from April-October in , an increase from , before the floods, and tourists are still visiting, benefiting the local economy Cherrington, Both overflowed, and this caused a sudden rush of water to speed down the Valency — which runs through the middle of Boscastle.
The weight of water eroded river banks, damaged gardens and pavements. Residents had little time to react. Rainfall rates of at least 32 mm per hour are being measured. 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. Dramatic Floods in Boscastle [image online] Available at:
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. Slide show of photographs of the Boscastle flood. Very heavy rain fell in storms close to the village, causing two rivers to burst their banks. Destroyed homes Stress and anxiety for local people Cars belonging to more than 1, people washed away.
Don’t show this message again. This unstable environment made prime characteristics for storm development, allowing cloud water to be retained, leading to intense rainfall, with over 1, million litres of rain being recorded in just two hours Golding, Clark and May, ; North Cornwall Eeffects Council, Physical Impacts Responses to the flooding What happened to cause this event? Agricultural land flooded and contaminated by polluted water. Destruction of houses, businesses and gardens Floodwater gushed into houses, shops and pubs.
Map of the area affected What happened to cause this event? The responses to the flood were both short and long term. Dramatic Floods in Boscastle [image online] Available at: The drainage basin of Boscastle is steep and impermeable rock.
Case Study – Boscastle Floods
Boscastle, Cornwall In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours. In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours.
Floods devastate village On 16 Augusta devastating flood swept through the small Cornish village of Boscastle. Despite this, hotel businesses suffered from a decrease in overnight visitors. Building along river Construction of small bridges across river trapped material behind them creating small dams River narrowed through Boscastle reducing capacity Deforestation in valleys.
The pictures show cloud forming over Boscastle at about 1 p. Accommodation worry for Boscastle [Online].
Boscastle Floods, 2004
Coastal Flooding in Towyn No-one died mainly due to the rapid response of the emergency services. Rainfall rates of at least 32 mm per hour are being measured.
It is a warm and moist tropical maritime air mass. Small catchment area about 23km2 Impermeable upland area Bodmin Moor Steep-sided valleys Extremely wet summer, by August ground was saturated.
The rainfall rate key shows how boscastlf colours in the image relate to the rate the rainfall is effetcs. The Environment Agency is responsible for warning people about floods and reducing the likelihood of future floods.
These factors led to a flash flood which caused over one thousand homes, cars and businesses to be swept away and damaged. Widening and deepening the river channel – this allowed the river to carry more water.
Rivers and flooding – Revision 3 – KS3 Geography – BBC Bitesize
The line labelled known as a trough line caused very heavy rain and thunderstorms. The weight of water eroded river banks, damaged gardens and pavements. The Boscastle Floods [image online] Available at: Nicholas Pearson Associates,