|Hydrological and Hydraulic Modelling|
In certain situations desk based information is not available or detailed enough to meet the requirements of a particular project brief. More detailed work is required to understand flood mechanisms and define flood risk. This may be the case when a site is located within Environment Agency Flood Zones 2 or 3, in a locality where detailed hydraulic modelling has not been undertaken.
Or, where a flood alleviation scheme is needed and a hydraulic model is required to define the level of flood risk and to develop an options appraisal.
A typical hydraulic modelling exercise would involve several key stages: