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9 Cards in this Set
- Front
- Back
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What river flooded Carlisle? |
River eden |
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What is the drainage basin like for river eden? |
very large so it catches a large volume of rainfall resulting in high discharge. |
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What are the sides like within the basin? |
The sides are very steep so water runs quickly down into the river. |
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What is the flood return interval? |
200 years. |
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What are the physical causes of the flood? |
-heavy rainfall 6th jan for 36 hours, 200mm of rain recorded. -rain fell on saturated ground so water didnt soak into the ground and straight into the river. -very high peak discharge of over 1520 cumecs (average is 52). |
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Human causes of the flood? |
-Large built up area, with concrete and tarmac surfaces which are impermeable, little vegetation or soil to intercept rainfall. -Drains and sewerage systems overflooded into some areas. 25% of the flooded were associated with the overflowing drains. |
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What are the social impacts of the flood? |
-3 people died. -3000 homeless, temporary accomodation, loss of personal possesions- seperated from community networks. -Children lost out on education 4 schools severly flooded. -Increase in stress-related illnesses. |
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What the environmental impacts of the flood? |
-Flooding increased river bank erosion in some areas. -Rivers polluted with sewage and rubbish. |
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What are the economic impacts of the flood? |
- Year to repair the 100 million worth of damage. -350 businesses has to shut down as no electricity,transport, telephone services. Trade activities from Carlisle were suspended from the railway station. -80 buses destroyed, Wariwck road damaged. -70,000 had no power- sewage works, police station, fire station servely damaged. -United biscuits, largest employed flooded with 3m of water caused 5m damage. 33 lost job. |
