Satellite-Derived Bathymetry Using Landsat-8 Imagery for Safaga Coastal Zone, Egypt-Reference-Cited by-同舟云学术

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

Published:2021-05-29 Issue:1 Volume:18 Page:8-15
ISSN:2668-4217
Container-title:Acta Marisiensis. Seria Technologica
language:en
Short-container-title:

Author:

Saeed Ramez¹,Abdelrahman Saad M.²,Negm Abdelazim³

Affiliation:

1. M.Sc. Hydrographic Surveying program. Maritime Technology Department , College of Maritime Transport & Technology, AASTMT , Abu kir, Alexandria , Egypt

2. Prof., Oceanography and Coastal Engineering, Maritime Technology Department, College of Maritime Transport & Technology, AASTMT , Abu Kir, Alexandria , Egypt

3. Prof., Water and Water Structures Engineering Dept., Faculty of Engineering , Zagazig University , Zagazig , Egypt e-mail:amnegm@zu.edu.eg

Abstract

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.

Publisher

Walter de Gruyter GmbH

Link

https://www.sciendo.com/pdf/10.2478/amset-2021-0002

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