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Marine mapping to understand factors affecting water quality

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Hampshire, UK- Detailed marine mapping from SeaZone is being used to understand factors affecting the quality of water off the Yorkshire Coast. In a project managed by Arup on behalf of Yorkshire Water, the study involves investigations of the impact of sewerage infrastructure on the quality of bathing water at the resorts of Scarborough and Bridlington. SeaZone’s water depth data, including detailed digital survey data together with scanned and georeferenced images of nautical charts have been used to create a coastal model to simulate bacteriological water quality in the region.

Yorkshire Water commissioned Arup, a global firm of designers, engineers, planners and business consultants, to undertake a study of bathing water quality at the north east coastal resorts of Scarborough and Bridlington. The study was designed to analyse the impact of sewerage infrastructure and understand implications for bathing water quality. Using detailed water depth data – SeaZone Digital Survey Bathymetry and SeaZone Digital Charted Bathymetry plus scanned and geocoded images of Admiralty Charts – SeaZone Charted Raster, Arup created a 2D hydrodynamic model of the study area. Other contributing factors such as tidal and meteorological inputs were also included in the resulting analysis of bathing water quality.

SeaZone Digital Survey Bathymetry offers an unprecedented solution to obtaining detailed and accurate water depth information relative to sea level and hence the height and shape of the seabed. It provides survey data that has been collected digitally, or captured from paper survey sheets, often known as “fair sheets’ and quality controlled at the United Kingdom Hydrographic Office and other leading institutions. This level of detail and accuracy is absolutely critical for development and monitoring projects and for the confidence that the user has in the results.