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Xishuang Li, Lejun Liu, Bigui Huang, Qingjie Zhou and Chengyi Zhang
Autonomous Underwater Vehicle (AUV)-based multibeam bathymetry, sub-bottom profiles, and side-scan sonar images were collected in 2009 and 2010 to map the geomorphic features along the axial zone of a canyon (referred to as C4) within the canyon system d...
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Ana María Osorio-Granada, Bismarck Jigena-Antelo, Juan Vidal-Perez, Enrico Zambianchi, Edward G. Osorio-Granada, Cristina Torrecillas, Jeanette Romero-Cozar, Hermann Leon-Rincón, Karem Oviedo-Prada and Juan J. Muñoz-Perez
High-resolution seismic analysis and bathymetry data, used in the Offshore Sinú Fold Belt (OSFB), have revealed seabed and sub-surface anomalies, which were probably caused by the presence of shallow gas within the sedimentary records. Shallow gas is wid...
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Shaoyu Zhang, Junjiang Zhu, Yonggang Jia, Sanzhong Li, Ruixue Chen, Xingquan Chen, Xiaolin Ou and Qianqian Li
The submarine canyons are an important clue to study the evolution process of seafloor geomorphology and they generally indicate the significant linear grooves on the seafloor related to seafloor geodynamic erosion during the evolution of geomorphology. ...
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Salvatore Distefano and Fabiano Gamberi
Understanding of complex sedimentary records formed by transgressive systems is critical because they provide information on sea level changes which control the evolution of the coastal environment. This paper discusses the preservation of the Transgress...
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Raúl Jiménez-Romero, Luis Miguel Fernández-Salas, Desirée Palomino, Ricardo Félix Sánchez-Leal and Yolanda Vila
The dense and deep water flow that leaves the Mediterranean Sea to the Atlantic flows through the upper and middle slope of the Gulf of Cádiz as a powerful bottom stream that models and interacts with bathymetry. The detailed analysis of underwater image...
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Xiaolin Ou, Junjiang Zhu, Sanzhong Li, Yonggang Jia, Zhongjia Jia, Shengsheng Zhang, Shaoyu Zhang, Ruixue Chen, Xingquan Chen, Dong Ding, Huilin Xing, Yanhui Suo, Pengcheng Wang and Yongjiang Liu
We processed the raw multi-beam bathymetry data acquired in the central and northeastern part of the South China Sea by eliminating noise and abnormal water depth values caused by environmental factors, and a high resolution bathymetric map with a 20-m g...
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Leo Koop, Mirjam Snellen and Dick G. Simons
In this paper, object-based image analysis classification methods are developed that do not rely on backscatter in order to classify the seafloor. Instead, these methods make use of bathymetry, bathymetric derivatives, and grab samples for classification...
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Sante Francesco Rende, Alessandro Bosman, Rossella Di Mento, Fabio Bruno, Antonio Lagudi, Andrew D. Irving, Luigi Dattola, Luca Di Giambattista, Pasquale Lanera, Raffaele Proietti, Luca Parlagreco, Mascha Stroobant and Emilio Cellini
In this study, we present a framework for seagrass habitat mapping in shallow (5?50 m) and very shallow water (0?5 m) by combining acoustic, optical data and Object-based Image classification. The combination of satellite multispectral images-acquired fr...
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Mohamed Elsayed Elsobeiey
The aim of this paper is to assess the performance of satellite-based correction service, Trimble PP-RTX, and Virtual Reference Stations (VRS) for bathymetry determination, and check how far these techniques meet the minimum standards of the Internationa...
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Leo Koop, Karin J. van der Reijden, Sebastiaan Mestdagh, Tom Ysebaert, Laura L. Govers, Han Olff, Peter M. J. Herman, Mirjam Snellen and Dick G. Simons
Backscatter data from multibeam echosounders are commonly used to classify seafloor sediment composition. Previously, it was found that the survey azimuth affects backscatter when small organized seafloor structures, such as sand ripples, are present. Th...
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