Kartiranje morskih travnikov s podatki mnogosnopnega sonarja // Mapping of marine meadows using multibeam sonar data

Sašo Moškon, Janez Žibert, Branko Kavšek

DOI: http://dx.doi.org/10.3986/GV87106

Abstract

Prispevek obravnava metodologijo zbiranja akustičnih podatkov o morskem dnu in njihovo uporabo za kartiranje morskih travnikov. Metoda omogoča hitro in učinkovito kartiranje velikih območij morskih travnikov in zagotavlja zvezno pokritost na celotnem obravnavanem območju. V prispevku predstavimo različne akustične sisteme ter njihove prednosti in slabosti pri uporabi za kartiranje morskega dna. Opisan je postopek zajema akustični podatkov, postopek obdelave akustični podatkov, izračun značilk iz akustičnih podatkov ter metode strojnega učenja, ki so uporabljene za kartiranje. Razvita metodologija je preizkušena na realnih podatkih o morskem dnu, posnetih v slovenskem morju, na območju med Izolo in Koprom.

This paper deals with the methodology of collecting acoustic data of the seabed and its use for mapping of marine meadows. The method enables fast and efficient mapping of large areas of marine meadows and provides continuous coverage throughout the region. In this paper we present various acoustic systems and their advantages and disadvantages for the mapping of the seabed. Furthermore we present acoustic data acquisition, acoustic data processing, calculation of the acoustic data features and machine learning methods used for mapping. The developed methodology was tested on real acoustic data, recorded in the Slovenian sea, in the area between Izola and Koper.

Keywords

hidrogeografija; mnogosnopni sonar; kartiranje morskega dna; morski travniki // hydrogeography; multibeam sonar; mapping of the seabed; marine meadows

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References

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DOI: http://dx.doi.org/10.3986/GV87106

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