MainDBDraft: Bio-dykes; Unlocking ingenious nature based solution to reduce flood risk
Title:
Bio-dykes; Unlocking ingenious nature based solution to reduce flood risk
Geographic region:
Asia
Target group:
Communities
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Date of submission:
06/11/2020
Further information:
Technical design details of the intervention https://floodresilience.net/resources/item/bio-dyke-an-environment-friendly-solution-to-protect-river-banks
NWPPartner:
Practical Action
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Geographic scope:
Local
Adaptation element:
Adaptation planning and practices; Technology support
Adaptation sector/theme:
Disaster risk reduction; Ecosystem-based adaptation; Ecosystems; Infrastructure
Climate hazard:
Floods
Implementing partners:
Local communities supported by Practical Action
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Type of organization:
Civil society
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Country:
Nepal
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The overall lesson is the importance of participatory and systems perspective when implementing appropriate adaptation option in low income communities. Communities can lead and implement solutions that address their needs. The ownership by communities of this model is also high and contributes to social cohesion which otherwise would not have been possible.
References NWP:
https://floodresilience.net/blogs/bio-dyke-protects-bangalipur-community https://floodresilience.net/blogs/eco-solutions-how-to-build-a-case-for-their-scaling-up https://floodresilience.net/blogs/eco-solutions-can-nature-solve-our-problems
Year of publication:
NWPTypeOfKnowledge:
Technical document/report
Description:
Bio-dyke is a bio engineering measure to manage and control flood water movement such as redirecting flood run-off through the use of flood walls and flood gates. This technology for controlling riverine floods is useful when there is no immediate need of heavy engineering works or a community is unable to afford construction of heavy engineering structures like gabion wall, retaining walls, concrete dykes, among others. So far the cost of construction and maintenance of bio-dyke is significantly cheaper than construction of concrete structures making them more suitable for developing countries. The constructions of bio-dykes require simple understanding of the technology while local resources can be used in its construction. Hence, they can be implemented by local people in remote parts of poor countries.
Outcome:
Biodykes can reduce flood risk and help local communities unlock the triple dividend of resilience; 1) Mitigate the flood risk 2) Unlock local investment as security is increased 3) Provide co-benefits in the form of timber, fruit trees, handicraft materials as well as aesthetic values But they work best when designed and constructed by local communities.
NWPInformationType:
Case study
NWPStatus:
Processed
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Created at 06/11/2020 18:55 by
Last modified at 06/11/2020 18:55 by crmmocservices
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