High-frequency multibeam echo-sounder measurements of seafloor backscatter in shallow water: Part 1 - Data acquisition and processing.

Methods for processing multibeam echo-sounder (MBES) bathymetry data are well established, however, there is no universal and established approach to processing and interpretation of MBES backscatter data. The aim of this paper is to (1) detail the different backscatter logging methods implemented i...

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Main Authors: Parnum, Iain, Gavrilov, Alexander
Format: Journal Article
Published: Society for Underwater Technology 2011
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/25252
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author Parnum, Iain
Gavrilov, Alexander
author_facet Parnum, Iain
Gavrilov, Alexander
author_sort Parnum, Iain
building Curtin Institutional Repository
collection Online Access
description Methods for processing multibeam echo-sounder (MBES) bathymetry data are well established, however, there is no universal and established approach to processing and interpretation of MBES backscatter data. The aim of this paper is to (1) detail the different backscatter logging methods implemented in modern high-frequency MBES systems used primarily in shallow water; (2) describe and suggest appropriate methods of data processing; and (3) discuss likely errors and artefacts expected from MBES backscatter processing. These issues are illustrated using data collected with a Reson SeaBat MBES in coastal shelf areas of Australia, although the methods and errors discussed are relevant to other high-frequency shallow-water MBES systems. Production of backscatter mosaics and analysis of backscatter for seafloor classification using MBES data are considered in Part 2 – Mosaic production, analysis and classification (Parnum and Gavrilov, 2011), published alongside this paper.
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spelling curtin-20.500.11937-252522017-09-13T16:09:10Z High-frequency multibeam echo-sounder measurements of seafloor backscatter in shallow water: Part 1 - Data acquisition and processing. Parnum, Iain Gavrilov, Alexander Multibeam sonar Seafloor classification Multivariate analysis Acoustic backscatterdata Statistical clustering Methods for processing multibeam echo-sounder (MBES) bathymetry data are well established, however, there is no universal and established approach to processing and interpretation of MBES backscatter data. The aim of this paper is to (1) detail the different backscatter logging methods implemented in modern high-frequency MBES systems used primarily in shallow water; (2) describe and suggest appropriate methods of data processing; and (3) discuss likely errors and artefacts expected from MBES backscatter processing. These issues are illustrated using data collected with a Reson SeaBat MBES in coastal shelf areas of Australia, although the methods and errors discussed are relevant to other high-frequency shallow-water MBES systems. Production of backscatter mosaics and analysis of backscatter for seafloor classification using MBES data are considered in Part 2 – Mosaic production, analysis and classification (Parnum and Gavrilov, 2011), published alongside this paper. 2011 Journal Article http://hdl.handle.net/20.500.11937/25252 10.3723/ut.30.003 Society for Underwater Technology restricted
spellingShingle Multibeam sonar
Seafloor classification
Multivariate analysis
Acoustic backscatterdata
Statistical clustering
Parnum, Iain
Gavrilov, Alexander
High-frequency multibeam echo-sounder measurements of seafloor backscatter in shallow water: Part 1 - Data acquisition and processing.
title High-frequency multibeam echo-sounder measurements of seafloor backscatter in shallow water: Part 1 - Data acquisition and processing.
title_full High-frequency multibeam echo-sounder measurements of seafloor backscatter in shallow water: Part 1 - Data acquisition and processing.
title_fullStr High-frequency multibeam echo-sounder measurements of seafloor backscatter in shallow water: Part 1 - Data acquisition and processing.
title_full_unstemmed High-frequency multibeam echo-sounder measurements of seafloor backscatter in shallow water: Part 1 - Data acquisition and processing.
title_short High-frequency multibeam echo-sounder measurements of seafloor backscatter in shallow water: Part 1 - Data acquisition and processing.
title_sort high-frequency multibeam echo-sounder measurements of seafloor backscatter in shallow water: part 1 - data acquisition and processing.
topic Multibeam sonar
Seafloor classification
Multivariate analysis
Acoustic backscatterdata
Statistical clustering
url http://hdl.handle.net/20.500.11937/25252