Submerged Aquatic Vegetation Mapping18/12/2007 |
| In July 2007, a hydrographic survey team from Duck (NC, USA) mapped 6.7 square miles of the Currituck Sound in water depths of less than 3m. The aim was to chart the depth and identify areas of submerged aquatic vegetation (SAV) around the proposed corridor routes for the mid-Currituck Bridge. The team used a pontoon boat equipped with a GeoSwath Wide Swath Sonar along with bottom grab samples to produce a bathymetric map and identify a total of 1.31 square miles of Submerged Aquatic Vegetation (SAV). |
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The GeoSwath data was further processed using GeoAcoustics' GeoTexture software. This normalises the amplitude returns, improves the interpretability of the texture information in the image, and allows the classification of the different bottom types. Swaths from individual days were merged to create a mosaic of the entire survey area which was then exported as geo-referenced side scan image files for analysis in GIS.
Read more about: software GIS Supplier: GeoAcoustics Ltd More news from this supplier: GeoAcoustics Digital Side Scan Sonar Data Collection for Shallow Survey 2012 Opened Geoswath Plus Compact GeoSwath Plus Trials on Remus 100 AUV Challenges of Mapping Small Hydroelectric Dams South Australian Port Development GeoSwath User Seminar in Qingdao GeoSwath Sonars Operational at Rijkswaterstaat Peter Hogarth New President of GeoAcoustics GeoAcoustics now a Kongsberg Company Walney Offshore Windfarm Project Chooses Holmatro JSDE/ION JNC 2011 Call For Papers Ocean Explorer H2000 ROV Ocean Signal Strenghtens Sales And Marketing CEEDUCERS for Indonesia Seminar on Dredging and Reclamation Singapore Integrated Navigation Systems for Superyachts Real-time High-resolution Underwater 3D Images NOAA Commissions Research Ship Bell M. Shimada UDT Asia Postponed 
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