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Ángela Fontán-Bouzas, Tiago Abreu, Caroline C. Ferreira, Paulo A. Silva, Laura López-Olmedilla, José Guitián, Ana M. Bernabeu and Javier Alcántara-Carrió
The morphological responses of two mesotidal beaches located in different coastal settings (embayed and open sandy beaches) on the northwestern Iberian coast were monitored during the winter of 2018/19. The offshore wave time series analysis is related t...
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Winfred Kilonzo, Patrick Home, Joseph Sang and Beatrice Kakoi
Urbanization has caused limitations on water resources, while climate change has reduced amounts of surface water in some parts of the world. Kikuyu, a suburban area in Kiambu county, Kenya, is facing this challenge. The major challenge in the study is s...
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Francesco Pasanisi, Carlo Tebano and Francesco Zarlenga
The paper reports a field investigation on a reach of the lower Zambezi River about 230?240 km downstream of the Cahora Bassa dam in the Republic of Mozambique. In the framework of a wider research program, bathymetric measures of the riverbed were perfo...
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Mohammed El-Diasty
Accurate bathymetric modeling is required for safe maritime navigation in shallow waters as well as for other marine operations. Traditionally, bathymetric modeling is commonly carried out using linear models, such as the Stumpf method. Linear methods ar...
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Ákos Halmai, Alexandra Gradwohl?Valkay, Szabolcs Czigány, Johanna Ficsor, Zoltán Árpád Liptay, Kinga Kiss, Dénes Lóczy and Ervin Pirkhoffer
Sonar survey of shallow water bodies has challenged scientists for a long time. Although these water courses are small, still they have an increasing ecological, touristic and economical role. As maritime sonars are non-ideal tools for shallow waters, th...
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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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Arthur Trembanis, Alimjan Abla, Ken Haulsee and Carter DuVal
This study utilizes repeated geoacoustic mapping to quantify the morphodynamic response of the nearshore to storm-induced changes. The aim of this study was to quantitatively map the nearshore zone of Assateague Island National Seashore (ASIS) to determi...
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Liujuan Tang, Edward Myers, Lei Shi, Kurt Hess, Alison Carisio, Michael Michalski, Stephen White and Cuong Hoang
We conducted a VDatum-spatially varying uncertainty study for the North-East Gulf of Mexico. The newly developed tide model incorporated the latest available National Ocean Service (NOS) bathymetry survey data and National Geodetic Survey (NGS) shoreline...
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Yusuke Yamanaka, Yoshinao Matsuba, Yoshimitsu Tajima, Ryotaro Shibata, Naohiro Hattori, Lianhui Wu and Naoko Okami
In this study, field surveys along the coasts of Wakayama Prefecture, Japan, were first conducted to investigate the coastal damage due to storm surges and storm-induced waves caused by the 2018 Typhoons Jebi and Trami. Special focus was placed on the ch...
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Jiyoon Kim, Jaemyeong Kim, Sunmi Park, Jongchul Kim, Seocheol Kim
Pág. 257 - 262
Multi-purpose bathymetry is the system to make decision for marine and harbor policy through the bathymetric data. Since this system should process the large size of depth information, H/W and S/W infrastructures should be built and expanded continuously...
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Lei Shi, Jindong Wang, Edward Myers and Lijuan Huang
National Oceanic and Atmospheric Administration?s National Ocean Service uses observations, hydrodynamic models and interpolation techniques to develop many of its products and services. We examine how two projects, computation of tidal datums for vertic...
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Aurélien Arnaubec, Maxime Ferrera, Javier Escartín, Marjolaine Matabos, Nuno Gracias and Jan Opderbecke
This paper addresses the lack of ?push-button? software for optical marine imaging, which currently limits the use of photogrammetric approaches by a wider community. It presents and reviews an open source software, Matisse, for creating textured 3D mode...
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Mebrahtom G. Kebedew, Seifu A. Tilahun, Fasikaw A. Zimale, Mulugeta A. Belete, Mekete D. Wosenie and Tammo S. Steenhuis
Excess sediment and nutrient losses from intensifying agriculture degrade water quality and boost plant growth. The relationship between circulation patterns, spatial water quality degradation, and water hyacinth infestation is not adequately studied. Th...
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Lizhi Teng, Heqin Cheng, Erfeng Zhang and Yajun Wang
The lateral bathymetry in the estuary results in different degrees of tidal mixing asymmetry, which has significant impacts on the longitudinal sediment transport by changing the temporal variation of vertical eddy diffusion. This study focus on the late...
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Nashwan Matheen, Mitchell D. Harley, Ian L. Turner, Kristen D. Splinter, Joshua A. Simmons and Mandi C. Thran
There is an increasing interest in the broad-scale implementation of coastal erosion early warning systems (EWS) with the goal of enhancing community preparedness to extreme coastal storm wave events. These emerging systems typically rely on process-base...
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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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Mashkoor Malik
Seafloor backscatter data from multibeam echosounders are now widely used in seafloor characterization studies. Accurate and repeatable measurements are essential for advancing the success of these techniques. This paper explores the impact of uncertaint...
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Peter Valent, Roman Výleta and Michaela Danácová
The intensification of agricultural production brings problems related to water erosion, even to the upper parts of river basins. Soil particles that have eroded from unprotected agricultural land are often deposited in small water reservoirs, the effici...
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Elizabeth A. Pendleton, Edward M. Sweeney and Laura L. Brothers
The U.S. Geological Survey (USGS) and the National Oceanic Atmospheric Administration (NOAA) have collected approximately 5400 km2 of geophysical and hydrographic data on the Atlantic continental shelf between Delaware and Virginia over the past decade a...
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Kendall Grimm, Mohsen Tahmasebi Nasab and Xuefeng Chu
The topographic wetness index (TWI) has been widely used for determining the potential of each digital elevation model (DEM) grid to develop a saturated condition, which allows for the investigation of topographic control on the hydrologic response of a ...
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