scanning sonar Articles

  • Low Visibility Diving – A look at Sonar Integration

    Updated sonar technologies are making low visibility diving possible – making them the ideal tool to be equipped on underwater drones for Search & Rescue missions and salvage operations. Unless you are swimming off the coast of Cancun, your nearest water source may not always be incredibly clear. Visibility below the surface often limits the ability of search and rescue missions ...

    By Deep Trekker Inc.

  • Application of high-resolution geophysical methods in submarine pipeline inspection

    High-resolution marine geophysical equipment employed includes single beam echo sounder (SBES), multi-beam echo sounder (MBES), sub-bottom profiler (SBP) and side scan sonar (SSS). By employing SBES, the reflection curve in shallow water reveals the real condition of pipeline; while in deep water, the reflection or diffraction curve can't reveal the real condition. Compared with SBES, MBES is ...

    By Inderscience Publishers

  • Advancing Omics Research and Reducing Bias with New MS Technology for Data-Independent Acquisition Experiments

    Targeted LC-MS based assays are increasingly applied in the post-discovery Omics area with an emphasis on validation, the first of many phases in translational research; and in studies that are aimed at gaining the understanding of biological systems in terms of drug development and treatment. Understanding the context of analytical results is driving current research, and therefore driving the ...

    By Waters Corporation

  • Permanent Monitoring Systems for Seabed Leakage Detection

    Seabed leaks Where do they come from? Natural vents: Faults, Pockmarks, and Chimneys Melting hydrates Shallow gas layers Long term leakage along well casings (cracked cement) Injection: fault re-activation/fracturin Lost well control nd failing barriers The mysterious pockmarks at the ...

    By Franatech GmbH

  • Origin of rippled scour depressions associated with cohesive sediments in a shoreface setting (eastern Bay of Seine, France)

    Side-scan sonar investigations in the eastern part of the macrotidal Bay of Seine have revealed the presence of numerous rippled scour depressions (RSDs) at water depths of 5–9 m. The sediments in these depressions consist essentially of coarse-grained shell hash derived from underlying Holocene sediments dated at roughly 6,500 years BP, and arranged in large wave-generated ripples. The shallow ...

    By Springer

  • Interview with Ronald Ebelhar, 2015 Chairman of the ASTM Board

    Ron Ebelhar has provided leadership in civil engineering projects and ASTM technical committee work since the 1970s. This year, he brings his experience to his elected position as chairman of the ASTM board of directors. You have worked on dozens of engineering projects since getting your degrees in civil engineering. What are some of the most interesting and challenging jobs you ...

    By ASTM International

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