Marine Geosciences Division at the US Naval Research Laboratory has developed an acoustic remote sensing technique, called SediMap(registered trademark) multibeam sonar, which is useful for conducting oceanographic surveys and geologic interpretation. Multibeam sonar receives sound beams from multiple angles along a cross-track swath. The model predicts backscattering strength as a function of the seafloor-incidence angle. Sedimap(registered trademark), tested using EM 121 and EM 1002 multibeam echosounders of Kongsberg Maritime, Kongsberg, Norway, has been used in a sea trial onboard a Naval Oceanographic Office T-AGS 60 survey vessel, which demonstrated its utility for planning of core locations. The backscattering data was processed in near-real time and patches of coarse sediments were discovered and verified by obtaining cores. SediMap(registered trademark) will be transitioned to the Naval Oceanographic Office and is likely to be utilized as a tool for efficient planning for core and grab sample locations.


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    Titel :

    Estimating surface sediments using multibeam sonar


    Weitere Titelangaben:

    Einschätzung von Sedimentoberflächen unter Verwendung eines Multistrahl-Sonargerätes


    Beteiligte:
    Bentrem, Frank W. (Autor:in) / Avera, William E. (Autor:in) / Sample, John (Autor:in)

    Erschienen in:

    Sea Technology ; 47 , 6 ; 37-40


    Erscheinungsdatum :

    2006


    Format / Umfang :

    4 Seiten, 5 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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