This paper is mainly aimed at presentation of an impact of environmental conditions on imaging accuracy by using hydro-acoustic systems in waters of a high non-uniformity of spatial distribution of hydrological parameters. Impact of refraction on erroneous estimation of range, in case of wave radiation into water under a large angle, like in side sonars or multi-beam echo-sounders, is especially important. In this paper seasonal changes in sound speed and its impact on acoustic beam refraction is discussed. And, examples which illustrate errors in determination of side sonar range occurred during last investigations carried out in Gdansk Bay waters are presented.


    Access

    Download


    Export, share and cite



    Title :

    The Imaging of Gdansk Bay Seabed by Using Side Sonar




    Publication date :

    2018




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




    The Imaging of Gdansk Bay Seabed by Using Side Sonar

    Grelowska, Grażyna / Kozaczka, Eugeniusz / Witos-Okrasińska, Dominika et al. | Online Contents | 2018


    Acoustic Imaging of Selected Areas of Gdansk Bay with the Aid of Parametric Echosounder and Side-Scan Sonar

    Grelowska Grażyna / Kozaczka Eugeniusz / Szymczak Wojciech | DOAJ | 2017

    Free access

    Inversion of Side Scan Sonar Motion and Posture in Seabed Geomorphology

    Tao Weiliang / Liu Yan / Hu Wenbin | DOAJ | 2017

    Free access

    Acoustic Imaging of Selected Areas of Gdansk Bay with the Aid of Parametric Echosounder and Side-Scan Sonar

    Grelowska, Grażyna / Kozaczka, Eugeniusz / Szymczak, Wojciech | Online Contents | 2017


    Inversion of Side Scan Sonar Motion and Posture in Seabed Geomorphology

    Tao, Weiliang / Liu, Yan / Hu, Wenbin | Online Contents | 2017