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Shipwrecks, Snags and Obstructions : Definition

Shipwrecks, Snags and Obstructions : Definition. Everything, being from up water and laying on the bottom can considerate as a wreck as long he is identified. Wreck : . Obstructions could be wreck but also any unidentified object on the bottom.Rock, wood, ancient piece of shipwreck , cable.

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Shipwrecks, Snags and Obstructions : Definition

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  1. Shipwrecks, Snags and Obstructions : Definition Everything, being from up water and laying on the bottom can considerate as a wreck as long he is identified Wreck : Obstructions could be wreck but also any unidentified object on the bottom.Rock, wood, ancient piece of shipwreck , cable Obstruction And Snagg : Different scales of danger Spatial Temps Punctual Linear

  2. Shipwrecks and Obstructions : Danger Shipwrecks ,snags, Brittle star, rocky bottom, cable Fishing Navigation Isolated danger Shipwrecks, rocks Diving Pollution Shipwrecks, Cargo

  3. Shipwrecks and Obstructions : Database Creation Hand made charts 1980 CERES Fishing vessels GPS numbers Progressive building

  4. Shipwreck and Obstruction : Database Evolution 1 700 location (Seine bay) 1990 1995 1999 2003 5 000 location (France) 7 000 location (France) 15 000 location (Europe)

  5. Shipwrecks and Obstructions : Database Evolution 2000 : CERES - INTECHMER Collaboration Database software development 15 000 locations of shipwrecks and snags - 8 000 text files 10 000 different documentations 150 fields per shipwreck 1 page of text Name, build, year of building, number of crews, engine. Date of sank. Casualty of sinking ….. Etc..

  6. Shipwrecks and Obstruction : DATA processing

  7. Tow Fish Result Principe Shipwrecks and Obstructions : Side Scan Sonar

  8. Shipwrecks and Obstruction : Vidéo / Photo / Drawing

  9. Shipwrecks and Obstructions : DATABASE utility Preventive utility : Network exchange of snags locations Obstructions and snags identification, difference between old wooden remains and rocks Neutralization of submerged dangerous product Pipeline and underwater cable Granulates exploitation Dredging

  10. Shipwrecks and Obstructions : DATABASE utility Cultural and history US Civil wars shipwreck D Day shipwreck 16th century shipwreck

  11. Shipwrecks and Obstructions : Future Collaboration between, companies, states, unofficial and official oceanographic organization Exchange of data standardized Compatibility between GIS and navigation software Links between European oceanographic services Northern Europe extension

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