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.

  • ME120 surveys water transfer channels with side scan sonar - Case Study

    Date: November 11, 2018 Location: Key water transfer channel in Henan, China USV: ME120 Autonomous survey boat Instrument: LCocean side scan sonar Mission: Underwater cement block detection, underwater building damage detection, and detection of typical underwater objects such as ...


    By OceanAlpha Group Ltd.

  • A machine learning approach for estimation of shallow water depths from optical satellite images and sonar measurements

    There has been a rapid growth in the field of remote sensing and its various applications in the area of water management. Nowadays, there are several remote sensing techniques that can be used as a source to derive bathymetry data along coastal areas. The key techniques are: sonar (sound navigating and ranging), LiDAR (light detection and ranging) and high-resolution satellite images. The ...


    By IWA Publishing

  • Joint operation of M40 USV +3D Side scan sonar+ MS400 multibeam sounding system - Case Study

    Location:  The dangerous section of Longwan bridge in Foshan city and the harbors of Taishan power station in Tangshan bay, Taishan city Date: April 25-28, 2018 Instrument: Oceanalpha M40 multi-purpose unmanned boat Beijing Anderson Changchun 3DSS-DX-450 3D side scan sonar Beijing Zhuhai Putonghua ...


    By OceanAlpha Group Ltd.

  • 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

  • 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

  • Key Technology of Unmanned Underwater Vehicle

    1. Overall Technology Underwater UAV is a highly technology-intensive and systematic project, involving dozens of professional disciplines. Each discipline restricts each other. Purely pursuing a single technical index, one will lose sight of the other. To solve these contradictions, we need to strengthen coordination in addition to a strong system concept. On the premise of meeting the overall ...

  • 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

  • Loadtest - Sonicaliper success story

    In June 2008, a project was initiated between SoilVision Systems Ltd. and LoadTest Inc. relating to the development of software to support their newly developed SoniCaliper instrument. Prototype software for processing the data from this instrument had been developed by LoadTest Inc.; SoilVision Systems Ltd. was hired to bring the software to a professional level and implement 3D graphical ...


    By SoilVision Systems Ltd.

  • Finding the needle in the hay stack - tracing seabed gas seepages using hullborne multibeam echo sounder, and AUV based sonar and optical systems case study

    Scientific objective A better understanding of the shallow geological systems in the Barents Sea with particular attention to fluid flow Specific objectives Identify regional spatial distribution of gas flares within an area of 3000 km2 in the Barents Sea Identify and describe associated structures (i.e. pockmarks, carbonate reefs) using ...


    By Franatech GmbH

  • The Importance of Wastewater Force Main Management

    Condition assessment and management of wastewater force mains has historically been challenging for operators. Conventional methods (e.g. visual inspection, sonar and laser profiling) do not provide a comprehensive condition assessment because they do not quantify the loss of structural capacity. As WEFTEC 2013 in Chicago approaches, ...

  • 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

  • The importance of wastewater force main management

    Condition assessment and management of wastewater force mains has historically been challenging for operators. Conventional methods (e.g. visual inspection, sonar and laser profiling) do not provide a comprehensive condition assessment because they do not quantify the loss of structural capacity. As WEFTEC 2013 in Chicago approaches, ...

  • Completing Condition Assessments using In-pipe GPR as Pipe Penetrating Radar

    Abstract This paper describes the development of Pipe Penetrating Radar (PPR), the underground in-pipe application of GPR, a non-destructive testing method that can detect defects and cavities within and outside mainline diameter (>18 in / 450mm) non-metallic (concrete, PVC, HDPE, etc.) underground pipes. The method uses two or more high frequency GPR antennae carried by a robot into ...


    By SewerVUE

  • Pump Station call outs a thing of the past - Case Study

    It’s 2:00 AM and a telephone rings in Eckville, Alberta. Rick McKinnon checks the display on his cell phone and groans. It’s another high level call out alarm from one of the town’s new sewage lift stations. He knows before he drives there that the system will be running on floats instead of the new ultrasonic level controller. ...


    By Greyline Instruments Inc.

  • Unique Practical Value of Underwater UAV

    With the prosperity of consumer-grade aerial photography UAVs in Dajiang, underwater UAVs with unique practical value, as a black horse, have become entrepreneurs competing for new heights.   1. Make ship fishery detection cheaper In the field of efficient marine fisheries, Underwater Unmanned aerial vehicles can be used for external ...

  • Alum creek large diameter sewer assessment case study

    The Challenge The City of Columbus, like many municipalities, must make hard decisions on where to spend their limited capital improvement dollars. In tight economic conditions, a municipality’s decision to monitor, rehabilitate, or replace their assets is not cut and dry. Deferred maintenance of non-critical assets in one department may give other departments the monetary resources ...


    By Chester Engineers

  • A brief statement of airport applications for doppler SODAR systems

    Doppler SODAR Operating similar to a sonar the Doppler SODAR (Sonic Detection and Ranging) directly measures the atmospheric wind speed and direction at multiple altitudes simultaneously. These systems utilize the Doppler effect imposed on the received acoustic signal echoed by the atmosphere for the wind measurements. The Doppler effect is the common observation that the acoustic signal ...

  • Keep your property free of pests

    Pest animal and bird problems are a worldwide concern. Bird-X has a dedicated retail team, taking customer calls every day and assisting new users with our devices, troubleshooting installation questions, advising on new products, and educating people who are first-time users or are dealing with their first pest animal issue. Many homeowners or individuals dealing with pest animals can find the ...


    By Bird-X Inc.

  • Four Major Benefits of Horizontal Hydraulic Auger Dredges

    Horizontal hydraulic auger dredging has been around for nearly 50 years, but remains the unknown stepchild of the dredging world. That may be changing as environmental dredging becomes more prominent. Horizontal hydraulic auger dredges are ideal for environmental projects for several reasons. First, horizontal hydraulic auger dredges are small. I know everybody wants bigger, but small has ...


    By SRS Crisafulli, Inc.

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