Soft Engineering - River Quaggy Restoration Scheme

jenny_mcdonald
Mind Map by jenny_mcdonald, updated more than 1 year ago
jenny_mcdonald
Created by jenny_mcdonald almost 6 years ago
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Description

Mind Map on Soft Engineering - River Quaggy Restoration Scheme, created by jenny_mcdonald on 05/11/2014.

Resource summary

Soft Engineering - River Quaggy Restoration Scheme
1 Project
1.1 River runs through London since 1960's
1.2 Had been heavily managed with artificial channels and culverts to divert river beneath Greenwich
1.3 Increased flood risk from increased urbanisation in Lewisham and Greenwich mean more needed to be done in order to protect these areas
1.4 Hard engineering methods where considered but EA chose a more sustainable approach
1.5 Solution was proposed by QWAG - Quaggy Waterways Action Group
1.6 Planned to bring river above grounds again, cutting a new channel thought Sutcliffe park creating a multi-functional space, improving the quality of the park
1.7 Park was lowered to increase the flood capacity
1.8 river is redirected a more natural course with flood storage
2 Impacts
2.1 Created a wetland environment with reed banks, wild flower meadows and trees.
2.2 Creation of new habitats
2.3 Enter text here
2.4 Scheme won Natural Environment Category in the 2007 water ways renaissance awards
2.5 smaller opportunity cost
3 Effectiveness
3.1 Long term sustainable scheme
3.2 Relatively low cost in comparison to other hard engineering schemes
3.3 little maintenance costs
3.4 Areas has not experienced any major flood event since the project was completed
3.5 Reduced risk for 600 homes and businesses
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