Beyond Bathymetry: Water Column Imaging with Multibeam Echo Sounder Systems.

Schneider von Deimling, Jens and Weinrebe, Wilhelm (2014) Beyond Bathymetry: Water Column Imaging with Multibeam Echo Sounder Systems. Open Access Hydrographische Nachrichten, 31 (97). pp. 6-10.

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Echo sounder systems represent powerful tools not only to determine the seafloor depth,
but also to investigate the water column. The most prominent fields of hydro acoustic
water column applications include fish shoal detection and biomass assessments, target
detection for military purposes, oil and gas leakage detection, and suspension matter
analyses. Multibeam echo sounder systems (MBES) – so far primarily used for bathymetric
measurements – are introduced in this study for demonstrating their water column analyses
capabilities that become more and more available due to most recent computer
power and mass storage advances. Some environmental data are presented in this study
showing gas release from the seabed, fish
shoals, zooplankton and oceanographic layers
to highlight multibeam water column potentials.
Moreover multibeam water column assessments are suggested to be valuable for the hydrographer as
a supporting tool potentially useful for mitigating MBES survey related conflicts.

Document Type: Article
Keywords: multibeam echo sounder systems ; water column imaging ; gas bubble scattering ; sonar target detection
Research affiliation: OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-GDY Marine Geodynamics
Refereed: No
Open Access Journal?: Yes
ISSN: 0949-5657
Date Deposited: 24 Mar 2014 11:41
Last Modified: 02 Jul 2018 13:12

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