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Flood risk management aims to reduce the human and socio-economic losses caused by flooding and is part of the larger field of risk management. Flood risk management analyzes the relationships between physical systems and socio-economic environments through flood risk assessment and tries to create understanding and action about the risks posed ...
This flood was caused by heavy rainfall. [5] In the Volta Region and the Eastern Region of Ghana, severe floods occurred after the Akosombo Dam was spilled, displacing 26,000 people from their homes in 2023. Reports from the BBC attributed the flood to heavy rainfall which caused the Volta River Authority to spill the dam. Below is a list of ...
Ghana formed the National Disaster Management Organisation in 1996, [3] backed by an act of Parliament (Act 927) to manage disasters and emergencies. This was after Ghana had responded to the United Nations Declaration GAD 44/236 of 1989 declaring 1990 to 1999 as the International Decade for Natural Disaster Reduction (IDNDR).
While flood control aims mainly on reducing or preventing the negative effects of floods, IFM aims on reducing the overall risk by means of land and water resources management with the goal of maximizing the benefits from the use of flood plains and minimizing the damage and loss of life due to flooding in a sustainable manner.
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SFRAs are primarily produced by local planning authorities, in consultation with the Environment Agency, and are intended to "form the basis for preparing appropriate policies for flood risk management" [1] at the local level. At the regional level, the equivalent document is the Regional Flood Risk Appraisal.
In England and Wales, the Environment Agency requires a professional Flood Risk Assessment (FRA) to be submitted alongside planning applications in areas that are known to be at risk of flooding (within flood zones 2 or 3) and/ or are greater than 1ha in area, planning permission is not usually granted until the FRA has been accepted by the Environment Agency.
Flood Modeller is a computer program developed by Jacobs that assesses flood risk by simulating the flow of water through river channels, urban drainage networks and across floodplains using a range of one- and two-dimensional hydraulic solvers.