somerset case study Flashcards
where is somerset
south west england
what is the land around somerset used for
farmland/ wetland
low lying
extensive
what are the rivers like around somerset
area is drained by rivers, e.g the tone and the parrett
natural flooding for years
when were the somerset floods
2014
4 social impacts
600 homes flooded
16 farms evacuated
residents evacuated to temp accommodations for several months
power supplies cut off
4 economical impacts
• council estimated £10 million damage
• 14000 ha farmland underwater for 3-4 weeks
• local roads blocked by flood
• railway line to bristol closed
3 environmental impacts
• water heavily contaminated with sewage and pollutants e.g chemicals
• huge amounts of debris
• stagnant water had to be collected and re oxygenated
immediate response
boats to attend school
support from volunteers/community groups
4 long term response
• march 2014 - 8km of roger tone & parrett dredges to increase capacity
• road level raised- maintain communication and business
• vulnerable comunities have defences
• river banks strengthened and more pumping stations
what is dredging
when diggers or pumps remove silt and build it on the river banks to increase river capacity
what caused floods with statistics
• wettest january since 1910 when records began. 350 mm rainfall, 10mm above avg
• high tides and storm surges, spill over
• rivers not dredged for 20 years, silt built up