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Nautical Bottom Mapping With a Sub-bottom Profiler
Case Study
Nautical Bottom Mapping With a Sub-bottom Profiler

The setting is a natural harbour and river estuary. The river and estuary are too shallow for large container ships to pass during low tide. The waterway and the berth pockets along the river are being dredged regularly. One of the techniques used in this area is Water Injection Dredging. During this process water is injected under low pressure in the muddy bottom. This mix of water and sediment f…

Bathymetric Survey and Acoustic Backscatter - California
Article
Bathymetric Survey and Acoustic Backscatter - California

In 2010 and 2011, scientists from the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC), acquired bathymetry and acoustic-backscatter data from the outer shelf region of the eastern Santa Barbara Channel, California. These surveys were conducted in cooperation with the Bureau of Ocean Energy Management (BOEM). BOEM is interested in maps of hard-bottom substrates, par…

Design and Analysis of the Achoring Systems of Offshore Wind Platform (Baltic Sea)
Case Study
Design and Analysis of the Achoring Systems of Offshore Wind Platform (Baltic Sea)

The main objective of the Wind Turbine Platforms (Wind-Tu-Pla) project is to work out the design, handling and economical aspects of offshore wind turbine platforms for use in the southern Baltic Sea, in the Polish economic zone. Poland has an old-fashioned energy production with use of significant amounts of hard coal and a low share of renewable energy compared to other EU countries.

Photogrammetry Tool for Aerial Mapping With UAVs, Planes and Helicoptres with Metric Cameras
Case Study
Photogrammetry Tool for Aerial Mapping With UAVs, Planes and Helicoptres with Metric Cameras

Before the introduction of small UAVs for aerial photogrammetry, planes, helicopters and metric cameras were used. Not only was this costly, it was also complex due to the images being taken from high altitudes. UAVs have made aerial mapping more affordable, faster and precise. When it comes to planning survey missions for small UAVs, UgCS is the right software for the job. It supports most UAV pl…

Doppler Velocity Log (DVL) for High-Quality Navigation When GPS is Unavailable
Case Study
Doppler Velocity Log (DVL) for High-Quality Navigation When GPS is Unavailable

Need to navigate where the GPS signal might be blocked or jammed? Consider Instruments using a persistent and stationary navigation aid—the seabed. For safe maritime operations, Doppler Velocity Logs (DVLs) can provide an enhancement or replacement when GPS is unavailable—or when redundancy is needed.