sub-bottom sonar News

  • Specialist SV sensors

    OSIL/AML have supplied a set of specialist SV sensors, calibrated to 2000 m/s, as part of the instrumentation package for use in water-filled cavity survey and well logging applications. The vertical sonar instrument was designed around a standard 4\" bore to enable easy access to the majority of situations. The sonar is capable of surveying subterranean caverns, sub-sea caverns and wells. As ...

  • OceanServer Delivers Next-Generation AUV for Water Quality Solutions with YSI Integrated Systems & Services

    OceanServer Technology, the leading manufacturer of commercial Autonomous Underwater Vehicles (AUVs), announced today its continuation of a successful 10-year partnership with YSI (a Xylem brand) with YSI  (a Xylem brand] with the launch of the next-generation YSI EcoMapper. The i3X0 EcoMapper AUV is based on the robust Iver3-580 AUV platform and takes advantage of YSI's expertise in water ...


    By YSI - a Xylem brand

  • SEAMOR Marine Chinook ROV identifies 1897 schooner barge “Antelope” in Lake Superior

    A SEAMOR Marine Chinook ROV was used to confirm the identity of a 1897 schooner barge, the Antelope, found 300 feet down at the bottom of Lake Superior near Wisconsin, USA. This ship is one of the most intact wooden schooners to be found at the bottom of the lake with its masts still standing. Its cargo (coal) may have helped the ship sink slowly, coal being a ...


    By Seamor Marine Ltd

  • SEAMOR Marine Helps Recover Sunken Local Tugboat

    When two tugboats collided off the coast of Nanaimo in late May 2016, SEAMOR Marine Ltd. was quick on the scene to offer help. The accident occurred the evening of May 24, 2016 in the south of Nanaimo between Duke Point and Gabriola Island. Two tug boats were running alongside one another, when one ship, the C.T. Titan, swerved and crashed into the smaller Albern tug. Two crew members were safely ...


    By Seamor Marine Ltd

  • Berkeley researchers create first hyperlens for sound waves

    Ultrasound and underwater sonar devices could “see” a big improvement thanks to development of the world’s first acoustic hyperlens. Created by researchers with the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab), the acoustic hyperlens provides an eightfold boost in the magnification power of sound-based imaging technologies. Clever physical manipulation of the ...

  • Pioneering new frontiers: WFS completes successful field trials of wireless communication through ice

    WFS Technologies and Kongsberg Maritime Subsea have completed successful field trials of wireless communication through ice.  The trials conducted during February/March 2010 in Horten, Norway, demonstrated wireless communication from sea water, through-ice and into the air using radio frequency (RF) technology. Field trial observations matched theoretical simulations and WFS predicts it can ...


    By WFS Energy & Environment

  • Sunken Great Lakes oil pipeline raises spill fears

    A freshwater channel that separates Michigan's upper and lower peninsulas is a premier Midwestern tourist attraction and a photographer's delight, offering spectacular vistas of two Great Lakes, several islands and one of the world's longest suspension bridges. But nowadays the Straits of Mackinac is drawing attention for something that is out of sight and usually out of mind, and which some ...


    By Associated Press

  • Plastic pellets everywhere, and diving robot sensors

    The Dr Fridtjof Nansen is plying the waves of the southern Indian Ocean, trawling for trash. Every time the ship's scientific crew threw down special nets, they hauled in pieces of plastics, underscoring the risk of dramatic upheavals in marine ecosystems even in one of the world's least-known and least-visited environments. An estimated 5 trillion ...

  • DOE, BOEMRE and NOAA announce nearly $5 million for joint environmental research projects to advance Ocean renewable energy

    The Department of Energy (DOE), Bureau of Ocean Energy Management, Regulation and Enforcement (BOEMRE), and the Department of Commerce's National Oceanic and Atmospheric Administration (NOAA) today announced eight joint research awards totaling nearly $5 million to support the responsible siting and permitting of offshore wind energy facilities and ocean energy generated from waves, tides, ...


    By US Department of Energy

  • Developing nations join R&D race for gas hydrates

    It looks like chunks of ice — but put a flame to it and it goes ablaze. Touch it, and you’ll feel an odd sizzling sensation. This peculiar compound is methane hydrate. Not only might it become the source of the world’s next energy bonanza, but it could also let some coastal developing nations leapfrog coal and other ...


    By SciDev.Net

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