Rivers - Hard/Soft Engineering in Sheffield 2007

Grace W
Mind Map by Grace W, updated more than 1 year ago
Grace W
Created by Grace W about 5 years ago
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Mind Map on Rivers - Hard/Soft Engineering in Sheffield 2007, created by Grace W on 04/12/2015.

Resource summary

Rivers - Hard/Soft Engineering in Sheffield 2007
1 Soft
1.1 Meanders
1.1.1 Some were rebuilt (after being straightened in 19th century), lengthening river and slowing down water
1.2 Banks - Washlands
1.2.1 Lowered to make the river flood the park instead of Darlington
1.3 Floodplain
1.3.1 Lowered to increase it's ability to store water
1.4 Successful?
1.4.1 River Skerne flooded
1.4.1.1 But the rainfall was exceptional
1.4.2 The damage was still less than the year 2000 floods
1.4.3 30% increase in birds and insects in 1 year
2 Hard
2.1 Flood storage reservoirs
2.1.1 Did work
2.1.2 Lakes have been shaped from old quarries in Rother Valley Country Park along the River Rother to take floodwater
2.2 Embankments
2.2.1 Didn't work
2.2.1.1 Not high enough
2.2.2 Built around Meadowhall Shopping Centre to hold off water
2.3 Concrete-lined Channel
2.3.1 Did work
2.3.2 Where River Sheaf joins River Don, it has a concrete-lined channel to speed up flow
2.4 Drains & Culverts
2.4.1 Didn't work
2.4.1.1 Designed to deal with 1-in-30 years floods, but 2007 was 1-in-400 years
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