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More costly analysis of flood risk can be achieved through detailed flood modelling to challenge the agency's modelled levels and corresponding flood zones. The FRA takes into account the risk and impact of flooding on the site, and takes into consideration how the development may affect flooding in the local area.
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.
The Flood Forecasting Centre (FFC) is a joint venture between the Environment Agency and the Met Office to provide improved flood risk guidance for England and Wales. The FFC is based in the Operations Centre at the Met Office headquarters in Exeter and is jointly staffed from both organisations.
The Areal Reduction Factor (ARF) takes the catchment area into account. For small catchments (below 1 km 2) the ARF is not required. To find the depth of a rainfall of duration D and return period T at a given location in the UK, the following should be carried out: Find M5-60 minutes rainfall depth and "r" for the location using FSR maps.
Second step: Risk Assessment: The information in this assessment will be used to identify the areas at significant risk which will then be modelled in order to produce flood hazard and risk maps. These maps are to be in place by December 2013 and will include detail on the flood extent, depth and level for three risk scenarios (high, medium and ...
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A hazard map is a map that highlights areas that are affected by or are vulnerable to a particular hazard. They are typically created for natural hazards, such as earthquakes, volcanoes, landslides, flooding and tsunamis. Hazard maps help prevent serious damage and deaths. [1]
The Flood and Water Management Act 2010 (c.29) is a UK Act of Parliament relating to the management of the risk concerning flooding and coastal erosion. The Act aims to reduce the flood risk associated with extreme weather, compounded by climate change. It created the role of Lead Local Flood Authority, which is the local government authority ...