<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Satellite-Derived Bathymetry (SDB) modeling is used to derive bathymetric data needed for enriching several applications including nautical charting. The nautical charts of Safaga port, Egypt, contains significant gaps as they are based on 50-years old hydrographic survey data and it needs an update. We applied the SDB algorithm (log-ratio approach) using multispectral Landsat-8 OLI images for extracting bathymetry to update the nautical charts of SAFAGA port. The results are verified against the old nautical chart of SAFAGA with a coefficient of determination (R<sup>2</sup>) varies between 0.42 to 0.71 in areas where hydrographic data are old, unavailable or costly to obtain.</p>
</abstract>

Satellite-Derived Bathymetry (SDB) modeling is used to derive bathymetric data needed for enriching several applications including nautical charting. The nautical charts of Safaga port, Egypt, contains significant gaps as they are based on 50-years old hydrographic survey data and it needs an update. We applied the SDB algorithm (log-ratio approach) using multispectral Landsat-8 OLI images for extracting bathymetry to update the nautical charts of SAFAGA port. The results are verified against the old nautical chart of SAFAGA with a coefficient of determination (R2) varies between 0.42 to 0.71 in areas where hydrographic data are old, unavailable or costly to obtain.

Satellite-Derived Bathymetry Using Landsat-8 Imagery for Safaga Coastal Zone, Egypt

M.Sc.	 Hydrographic Surveying program. Maritime Technology Department

Prof., Oceanography and Coastal Engineering, Maritime Technology Department, College of Maritime Transport & Technology, AASTMT

Prof., Water and Water Structures Engineering Dept., Faculty of Engineering

Acta Marisiensis. Seria Technologica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Satellite-Derived Bathymetry (SDB) modeling is used to derive bathymetric data needed for enriching several applications including nautical charting. The...

Satellite-Derived Bathymetry Using Landsat-8 Imagery for Safaga Coastal Zone, Egypt

Published Online: May 29, 2021

Page range: 8 - 15

DOI: https://doi.org/10.2478/amset-2021-0002

Keywords
Algorithm, Bathymetry, Landsat-8, nautical charting, Safaga port, satellite imagery

© 2021 Ramez Saeed et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Satellite-Derived Bathymetry Using Landsat-8 Imagery for Safaga Coastal Zone, Egypt

Published Online: May 29, 2021

Page range: 8 - 15

DOI: https://doi.org/10.2478/amset-2021-0002

KeywordsAlgorithm, Bathymetry, Landsat-8, nautical charting, Safaga port, satellite imagery

© 2021 Ramez Saeed et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Algorithm, Bathymetry, Landsat-8, nautical charting, Safaga port, satellite imagery