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Precise Bathymetry as a Step Towards Producing Bathymetric Electronic Navigational Charts for Comparative (Terrain Reference) Navigation

Abstract

Bathymetric Electronic Navigational Charts (bENCs) contain only bathymetry data and can be used in applications such as underwater positioning, dredging and piloting. According to International Hydrographic Organization (IHO) standard S-57, Electronic Navigational Charts (ENCs) contain depth information with pure density of depth contours. Typical depth contours encoded by Hydrographic Offices are limited to 2, 5, 10 and 20 m. Availability of more depth contours in bENCs would allow the visualisation of a safety contour which is closer to users’ specific needs, especially in restricted waters such as ports, lakes and rivers. Another problem is non – Global Navigation Satellite System (GNSS) Unmanned Underwater Vehicle (UUV) navigation. bENCs could be used as reference data for UUV comparative navigation. This is called terrain reference navigation. This article presents the results from bathymetric data processing that was performed to convert data contained in bENCs into a reference for underwater comparative navigation. We use data obtained using a multibeam echo sounder to produce depth data with a horizontal spacing of 0·10m that is suitable for use in restricted waters. The experimental data was collected in and around the Port of Gdansk, Poland.

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Copyright (© The Royal Institute of Navigation 2019)

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
JOURNAL OF NAVIGATION no. 72, pages 1623 - 1632,
ISSN: 0373-4633
Language:
English
Publication year:
2019
Bibliographic description:
Stateczny A., Gronska-Sledz D., Motyl W.: Precise Bathymetry as a Step Towards Producing Bathymetric Electronic Navigational Charts for Comparative (Terrain Reference) Navigation// JOURNAL OF NAVIGATION. -Vol. 72, iss. 6 (2019), s.1623-1632
DOI:
Digital Object Identifier (open in new tab) 10.1017/s0373463319000377
Verified by:
Gdańsk University of Technology

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