Academic literature on the topic 'Sediment transport direction'

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Journal articles on the topic "Sediment transport direction"

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Abrantes, João R. C. B., Nuno E. Simões, João L. M. P. de Lima, and Abelardo A. A. Montenegro. "Two-dimensional (2D) numerical modelling of rainfall induced overland flow, infiltration and soil erosion: comparison with laboratory rainfall-runoff simulations on a two-directional slope soil flume." Journal of Hydrology and Hydromechanics 69, no. 2 (2021): 140–50. http://dx.doi.org/10.2478/johh-2021-0003.

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Abstract This paper presents a two-dimensional (2D) numerical model of soil erosion and sediment transport resulting from rainfall induced overland flow. It is a spatial and temporal dynamic model combining physical and empirical laws and comprises: i) An overland flow module that solves the two-dimensional unsteady water flow equations on an infiltrating surface; ii) A soil infiltration module that uses a combined Horton-SCS scheme; and iii) A soil erosion and sediment transport module that solves the two-dimensional sediment transport equation, distinguishing between rill erosion, interrill
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Narayana, A. C., and K. Pandarinath. "Sediment Transport Direction Derived from Grain-Size Statistics on the Continental Shelf Off Mangalore, West Coast of India." Journal Geological Society of India 38, no. 3 (1991): 293–98. http://dx.doi.org/10.17491/jgsi/1991/380306.

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Abstract Grain-size statistics are employed in sediment transport studies. The alongshore transport of sediment in shallow regions (30-50m depth) and deeper regions (>l50m depth) is in north and south directions, whereas in the depth range of 50-75m, the sediment transport direction is towards the south. The onshore-offshore sediment transport study reveals that the sediment transport direction is towards onshore where fluvial influence is absent and the direction is towards both onshore and offshore where the fluvial influence is prevalent. The studies further reveal the different ener
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Al-Salem, K., and A. Al-Rashed. "Modeling of Sediment Transport Using Wave Height action in Fialaka Marina." IOP Conference Series: Earth and Environmental Science 958, no. 1 (2021): 012023. http://dx.doi.org/10.1088/1755-1315/958/1/012023.

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Abstract Failaka Island is the second-largest and one of the most important islands of Kuwait from the point of view of tourism located in the north Arabian Gulf. It has a marina constructed in 1979 and managed by the Ministry of Communication (MOC) and a tourism enterprise, and is widely used for its ferry landing facility. The coastal waters around Failaka are turbid and current velocities tend to be as high as ~0.5 m/s during spring tide. The marina basin, with axial plan view dimensions of about 285 m by 260 m experiences shoaling of naturally flocculated fine (cohesive) sediment and coars
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Wu, Yuxi, Xiwen Li, Enjin Zhao, et al. "Analysis of Downstream Sediment Transport Trends Based on In Situ Data and Numerical Simulation." Journal of Marine Science and Engineering 12, no. 11 (2024): 1982. http://dx.doi.org/10.3390/jmse12111982.

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This study conducted an in-depth analysis of the sediment dynamics in the lower reaches of the Changhua River and its estuary on Hainan Island. Through field collection of topographic data and sediment sampling, combined with advanced computational techniques, the study explored the transport pathways and depositional patterns of sediments. The grain size trend analysis (GSTA) method was utilized, in conjunction with the Flemming triangle diagram method, to classify the dynamic environment of the sediments. Furthermore, hydrodynamic modeling results were integrated to further analyze the trans
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Cheng, Wufeng, Shenliang Chen, Jun Zhu, Xiaojing Zhong, Jin Hu, and Junli Guo. "Identification of the Sediment Movement Mechanism via Grain Size and Shape: A Case Study of a Beach in Eastern Hainan Island in South China." Water 15, no. 20 (2023): 3637. http://dx.doi.org/10.3390/w15203637.

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This paper used dynamic image analysis (DIA) to analyze the grain size and shape data of beach surface sediments in Bao’ding Bay, eastern Hainan Island, China, and explored the effects of sediment transport modes and beach morphology on the grain size–shape trend curves. This paper adopted a method of combining grain size cumulative frequency curves and grain size–shape trend curves to identify three sediment transport modes: suspension, saltation, and traction, and analyzed the characteristics of the grain size–shape trend curves under different beach morphologies (reflective, intermediate, a
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ABO ZED, ABO BAKER I. "Effects of waves and currents on the siltation problem of Damietta harbour, Nile Delta coast, Egypt." Mediterranean Marine Science 8, no. 2 (2007): 33. http://dx.doi.org/10.12681/mms.152.

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This study evaluates the effect of prevailing dynamic factors on the sedimentation process in Damietta Harbour along the Nile delta coast of Egypt. The monitoring program spanned the period between 1978 and 1999 and included measurements of waves, currents and bathymetric profiles. The evaluation was based on determination of erosion and accretion rates, current regime, sediment transport, wave characteristics and wave refraction. Results revealed that the predominant wave direction from N-NW sector (86 %) throughout the year is responsible for generation of a longshore eastward current. Less
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Riaz, Muhammad Zain Bin, Umair Iqbal, Huda Zain, et al. "Influence of Vertical Force on Shields’ Curve and Its Extension in Rapidly Varied Flow." Water 16, no. 20 (2024): 2960. http://dx.doi.org/10.3390/w16202960.

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Sediment transport is a geophysical phenomenon characterized by the displacement of sediment particles in both the horizontal and vertical directions due to various forces. Most of the sediment transport equations currently used include only parameters related to the horizontal direction. This study measured both instantaneous longitudinal and vertical parameters, i.e., velocities and forces, and found that the magnitude and direction of the vertical force play an important role in sediment incipient motion. An innovative experimental system was developed to investigate the effect of vertical
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Shen, Jian, Dianci Chi, and Bingrou Xi. "Sediment distributions and transport patterns in the Pearl River Estuary and its adjacent coastal ocean." Advances in Engineering Technology Research 8, no. 1 (2023): 398. http://dx.doi.org/10.56028/aetr.8.1.398.2023.

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Coastal sediment is important for the development of river deltas and for carrying both nutrients and pollutants into estuaries and coasts. Totally 265 surficial sediments collected from the Pearl River Estuary and its adjacent coastal ocean were analyzed by using Gao-Collins method to study the sediment transport path and deposition center. The Pearl River Estuary was an area of sandy mud sediment and showed some muddy patches. There were 5 distinguishable sediment convergence centers, which represent 3 types of sediment transport patterns and hydrodynamic environments. The net sediment trans
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Adel, Mnaf, and Ali N. Hilo. "The Effects of submerged vanes inclination angle on sediment transport into sub-channel." Wasit Journal of Engineering Sciences 11, no. 1 (2023): 105–15. http://dx.doi.org/10.31185/ejuow.vol11.iss1.414.

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The sub-channels that branch from the larger rivers may be manmade or natural. From the major channels, these sub-channels transfer sediments and water. The deposition of sediments at the entrance, sub-channel is a significant research challenge because it threatens the sub-facilities channel's and reduces the sub-carrying channel's capacity. Therefore, submerged vanes were used to reduce the amount of sediment entering the sub-channel. The goal of the vanes is to reduce the amount of sediment entering the sub-channel, hence redistributing sediment at the sub-entry channel's . They are vertica
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Zhong, Yi, Jun Du, Yongzhi Wang, et al. "Modeling the Impacts of Land Reclamation on Sediment Dynamics in a Semi-Enclosed Bay." Journal of Marine Science and Engineering 12, no. 9 (2024): 1633. http://dx.doi.org/10.3390/jmse12091633.

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Semi-enclosed bays are significantly influenced by the interactions between land and sea, as well as human activities. One notable human activity, land reclamation, impacts water exchange within these bays. However, the variability of sediment transport and cross-bay transport following reclamation remains poorly understood. This study aims to enhance the understanding of sediment dynamics and the responses of cross-bay transport to reclamation. A well-validated three-dimensional numerical model was developed in the Laizhou Bay (LB). Following reclamation, tidal currents suspended sediment con
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Dissertations / Theses on the topic "Sediment transport direction"

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Baville, Paul. "Stratigraphic correlation uncertainty : On the impact of the sediment transport direction in computer-assisted multi-well correlation." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0111.

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La modélisation du sous-sol est un moyen de prédire la structure et la connectivité des unités stratigraphiques en honorant les observations de subsurface. Ces observations sont en général échantillonées le long de puits à grande échelle horizontale (kilomètre) mais à petite échelle verticale (mètre). Il y a deux types de données de puits : (1) les diagraphies, qui correspondent à des acquisitions géophysiques quasi-continus (échatillonage régulier) le long du puits (e.g., gamma ray, sonic, porosité neutron), et (2) les régions, qui correspondent à des propriétés réservoir discrètes définies p
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van, Gaalen Joseph F. "Longshore Sediment Transport From Northern Maine To Tampa Bay, Florida: A Comparison Of Longshore Field Studies To Relative Potential Sediment Transport Rates Derived From Wave Information Study Hindcast Data." Scholar Commons, 2004. https://scholarcommons.usf.edu/etd/1280.

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This paper examines the regional longshore sediment transport pattern of the seaward coast of the United States and Gulf of Mexico from northern Maine to Tampa Bay, Florida. From previous studies it is known that along the coast there are variations in direction of sediment transport known as nodal zones as well as variations in sediment transport rate. Wave Information Study (WIS) hindcast data for the interval 1976 through 1995 (United States Army Corps of Engineers, 2003) provide a spatially continuous model of the regional longshore current directions in the study area. In chapter one, all
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Xu, Tongtong. "Wave transformation and alongshore sediment transport due to obliquely oriented shoreface-connected ridges." Thesis, Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54466.

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The inner continental shelf off the western half of the barrier island Fire Island, NY, is characterized by a series of obliquely oriented shoreface-connected ridges. The long-term historic shoreline record shows persistent undulations in shoreline shape at an alongshore scale similar to the alongshore scale of the ridges. This suggests that the ridges affect the wave transformation, alongshore sediment transport and corresponding shoreline change. These processes are investigated by utilizing the SWAN (Simulating WAves Nearshore) model, forced with realistic wave parameters, on a simplified,
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Vilches, Thanira Thammy Bastos. "Relação entre reflectâncias de imagens orbitais e transporte de sedimentos em suspensão no Rio Doce." Universidade Federal do Espírito Santo, 2013. http://repositorio.ufes.br/handle/10/6134.

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Made available in DSpace on 2016-12-23T14:04:28Z (GMT). No. of bitstreams: 1 Thanira Thammy Bastos Vilches.pdf: 1736718 bytes, checksum: 0125ce265ba8a796bb53677bd39e82a4 (MD5) Previous issue date: 2013-03-11<br>Suspended solids transport excess, caused by erosion, may limit water use and cause rivers siltation. Suspended solids concentration may be assessed by remote sensing because the reflectance of the scenes, in the visible and infrared ranges, is positively influenced. This work aims at the understanding of the variability of suspended sediments concentrations in a Doce river stretch lo
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Heald, J., I. K. McEwan, and Simon J. Tait. "Sediment transport over a flat bed in a uni-directional flow: simulations and validation." 2004. http://hdl.handle.net/10454/3619.

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No<br>A discrete particle model is described which simulates bedload transport over a flat bed of a unimodal mixed-sized distribution of particles. Simple physical rules are applied to large numbers of discrete sediment grains moving within a unidirectional flow. The modelling assumptions and main algorithms of the bedload transport model are presented and discussed. Sediment particles are represented by smooth spheres, which move under the drag forces of a simulated fluid flow. Bedload mass-transport rates calculated by the model exhibit a low sensitivity to chosen model parameters. Compariso
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Books on the topic "Sediment transport direction"

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Passchier, Sandra. Sediment supply and transport directions in the Gulf of Gdańsk as observed from SEM analysis of quartz grain surface textures =: Geneza osadów dennych i źródła materiału osadowego w Zatoce Gdańskiej w świetle analizy SEM powierzchni ziarn kwarcu. Polish Geological Institute, 1997.

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Mofjeld, Harold O. Formulas for velocity, sediment concentration and suspended sediment flux for steady uni-directional pressure-driven flow. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Pacific Marine Environmental Laboratory, 1988.

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Book chapters on the topic "Sediment transport direction"

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López, Isabel, and José Ignacio Pagán. "Modelling of wave height, currents and sediment transport at Locos beach (Torrevieja, Spain) before and after nourishment." In Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques. Firenze University Press, 2024. https://doi.org/10.36253/979-12-215-0556-6.65.

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The paper studies the impact of nourishment with coarse sand at Locos beach in Torrevieja, Spain, in January 2020, on coastal dynamics. The objective is to model the changes in wave heights, currents, and potential sediment transport due to the nourishment. The SMC 2.5 software was used to model the beach evolution. The results show that the nourishment caused a reduction in wave height in some directions, especially in the ENE direction, and a decrease in current velocity in all directions. The potential sediment transport was reduced by three times in all directions after nourishment, and in
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Pikelj, Kristina, Nina Furcic, and Frane Marković. "Cliff Failure Processes and Longshore Dispersal of Sediments, Vrgada Island (Croatia): Input from SFM Photogrammetryand Sediment Characteristics." In Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques. Firenze University Press, 2024. https://doi.org/10.36253/979-12-215-0556-6.69.

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The coastal cliff on the Vrgada island is developed in Pleistocene aeolian-alluvial deposits which are subject to constant erosion. Digital Structure-from-Motion photogrammetry has been used to record and monitor the erosion of the cliff most of which occurs in the form of rockfalls. As a result, an L-shaped beach has formed. The eroded material is reworked and partially washed away by rain and waves. The prevailing waves are generated by the Scirocco wind (SE, and they transport the eroded material from the eastern to the north-western part of the beach. This transport direction is confirmed
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Kawamura, Kiichiro, Kazumasa Oguri, Mutsuo Inoue, Kan-Hsi Hsiung, Taishi Kudaka, and Ken Takai. "Ongoing Persistent Slope Failures at the Toe of a Giant Submarine Slide in the Ryukyu Trench that Generated the AD 1771 Meiwa Tsunami." In Progress in Landslide Research and Technology, Volume 1 Issue 2, 2022. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18471-0_5.

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AbstractThis study investigates sedimentation processes and associated submarine sliding on the floor of the Ryukyu Trench. Three dive surveys were conducted using the manned submersible Shinkai 6500 (hereafter 6K) in the trench. The AD 1771 Meiwa tsunami was generated by a giant submarine slide on the landward trench slope in this region. Dive survey site 6K#1469 was located on a mouth of the submarine canyon in the forearc basin. Dive survey site 6K#1468 was located on the uppermost part of the submarine slide, where steps and fissures were observed. Dive survey site 6K#1467 was located at t
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Yang, Shu-Qing. "Formulae of Sediment Transport in Unsteady Flows (Part 2)." In Sediment Transport - Recent Advances [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.94761.

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Sediment transport (ST) in unsteady flows is a complex phenomenon that the existing formulae are often invalid to predict. Almost all existing ST formulae assume that sediment transport can be fully determined by parameters in streamwise direction without parameters in vertical direction. Different from this assumption, this paper highlights the importance of vertical motion and the vertical velocity is suggested to represent the vertical motion. A connection between unsteadiness and vertical velocity is established. New formulae in unsteady flows have been developed from inception of sediment
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Bianchi, Thomas S. "Sources and Distribution of Sediments." In Biogeochemistry of Estuaries. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195160826.003.0014.

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The uplift of rocks above sea level on the Earth’s surface over geological time, produces rock material that can be altered into soils and sediments by weathering processes. Over geological time, a fraction of sediments can be sequestered for storage in the ocean basins—with most of it stored in the coastal margin. However, much of this material is modified via processing in large river estuarine systems which can ultimately affect the long-term fate of these terrigenous materials. Sediments produced from weathering of igneous, metamorphic, and sedimentary rocks are principally transported to
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Uda, Takaaki, Susumu Onaka, and Tomohiro Mori. "Beach Changes Triggered by Ground Subsidence and Waves Generated by Easterly Trade Wind near Pekalongan on North Shore of Java Island." In Sediment Transport Research - Further Recent Advances [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1004907.

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The shoreline recession caused by ground subsidence due to the excessive pumping of underground water and that caused by wind waves incident from the easterly direction under the tropical monsoon weather was investigated, taking the Pekalongan area on Java Island as a study area. The study area was divided into nine subareas on both sides of the Comal River delta, and the shoreline changes in each subarea were investigated using satellite images. Field observation was also carried out on August 10, 2022, in the Pekalongan area, and the height of ground subsidence was measured together with the
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Kroon, Aart. "Marine and Coastal Environments." In The Physical Geography of Western Europe. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780199277759.003.0016.

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The present coastline of western Europe is shaped by physical processes such as wind, waves, and tidal currents, which cause the marine and coastal sediment transport. Spatial gradients in sediment transport rates induce the morphological adaptation, reflected by either an accumulation or erosion of material. All mutual interactions between these physical processes, and the resultant gradients in sediment transport together with the morphological adaptations, constitute the coastal morphodynamics. The specific initial stage of the morphology and the availability of sediment influence the direc
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Sakhvadze, David, Gigo Jandieri, Besik Saralidze, and Giorgi Sakhvadze. "A novel method of hydro-vacuum dispersion of metallurgical melts: research and implementation." In Sediment Transport Research - Further Recent Advances [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1004129.

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In parallel with the gradual expansion of the consumption of powder materials and the increasing demands placed on them, the competition between the producers of powders is continually intensifying. There is no doubt that the future belongs to technologies that provide high productivity and low-cost powders. Consequently, the technology and techniques of powder production need constant revision and modernization. For this goal we have developed and proposed a new method and installation for hydro-vacuum dispersion of melts, the essence of innovation and advantage of which lies in sucking and d
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"Anadromous Sturgeons: Habitats, Threats, and Management." In Anadromous Sturgeons: Habitats, Threats, and Management, edited by Pierre Nellis, Simon Senneville, Jean Munro, et al. American Fisheries Society, 2007. http://dx.doi.org/10.47886/9781888569919.ch12.

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&lt;em&gt;Abstract.&lt;/em&gt;—The short- and long-term impacts of the annual disposal of dredged sediment within Atlantic sturgeon &lt;em&gt;Acipenser oxyrinchus&lt;/em&gt; habitat in the St. Lawrence estuary were assessed by simulating sediment transport over 10 years and by sampling sediment and macrobenthos on impacted and control radials. The model applied bed load transport functions embedded in a baroclinic hydrodynamic model. The path predicted by the model was validated at its half-way point (5 years) using multibeam sonar images of the seabed as well as qualitative and quantitative
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Armentrout, John M. "Tectonics and paleogeography of a post-accretionary forearc basin, Coos Bay area, SW Oregon, USA." In From Terranes to Terrains: Geologic Field Guides on the Construction and Destruction of the Pacific Northwest. Geological Society of America, 2021. http://dx.doi.org/10.1130/2021.0062(06).

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ABSTRACT This field guide reviews 19 sites providing insight to four Cenozoic deformational phases of the Cascadia forearc basin that onlaps Siletzia, an oceanic basaltic terrane accreted onto the North American plate at 51–49 Ma. The field stops visit disrupted slope facies, prodelta-slope channel complexes, shoreface successions, and highly fossiliferous estuarine sandstones. New detrital zircon U-Pb age calibration of the Cenozoic formations in the Coos Bay area and the Tyee basin at-large, affirm most previous biostratigraphic correlations and support that some of the upper-middle Eocene t
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Conference papers on the topic "Sediment transport direction"

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Dorokhova, Evgenia, Evgenia Dorokhova, Dmitry Dorokhov, and Dmitry Dorokhov. "SEDIMENT MAPPING AND TRANSPORT PATHWAYS IN THE NEARSHORE ZONE OF THE RUSSIAN PART OF THE SOUTH-EASTERN BALTIC SEA." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b9489e8deb2.41910928.

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To achieve a more robust interpretation of sediment conditions and transport, our study combines the two different interpretation techniques. A side-scan sonar survey was used as a basis for detail sedimentological investigation. Grain-size analyses of grab samples provided sediment transport direction and decoding of sonar data. The new detail lithological map of the underwater shore slope of the northern Sambian peninsula and the Russian part of the Curonian spit in 1:50 000 scale is created. For the first time, the stretched zone of very fine sands is outlined at depths of 25-30 m of the Cu
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Dorokhova, Evgenia, Evgenia Dorokhova, Dmitry Dorokhov, and Dmitry Dorokhov. "SEDIMENT MAPPING AND TRANSPORT PATHWAYS IN THE NEARSHORE ZONE OF THE RUSSIAN PART OF THE SOUTH-EASTERN BALTIC SEA." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b43152071d3.

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To achieve a more robust interpretation of sediment conditions and transport, our study combines the two different interpretation techniques. A side-scan sonar survey was used as a basis for detail sedimentological investigation. Grain-size analyses of grab samples provided sediment transport direction and decoding of sonar data. The new detail lithological map of the underwater shore slope of the northern Sambian peninsula and the Russian part of the Curonian spit in 1:50 000 scale is created. For the first time, the stretched zone of very fine sands is outlined at depths of 25-30 m of the Cu
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Babakov, Alexander, Alexander Babakov, Boris Chubarenko, and Boris Chubarenko. "SEDIMENT TRANSPORT NEAR THE VISTULA SPIT (BALTIC SEA)." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b93751e4b25.42106675.

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The Vistula Spit is a sandy elongated barrier form which borders the Vistula Lagoon from the Baltic Sea. The evolution of the spit as well as nowadays sediment transport along the marine shore of it are still under discussion, especially due to existing of entrance jetties bordered the Strait of Baltiysk, the single inlet to the Vistula Lagoon, and advanced up to 10 m depth seaward. Different hypothesizes about ether uniform transport from north to south or contrary directed fluxes with convergence at various points at the spit shore are discussed. Most of them are based on fact of accumulatio
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Babakov, Alexander, Alexander Babakov, Boris Chubarenko, and Boris Chubarenko. "SEDIMENT TRANSPORT NEAR THE VISTULA SPIT (BALTIC SEA)." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4315e36e45.

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The Vistula Spit is a sandy elongated barrier form which borders the Vistula Lagoon from the Baltic Sea. The evolution of the spit as well as nowadays sediment transport along the marine shore of it are still under discussion, especially due to existing of entrance jetties bordered the Strait of Baltiysk, the single inlet to the Vistula Lagoon, and advanced up to 10 m depth seaward. Different hypothesizes about ether uniform transport from north to south or contrary directed fluxes with convergence at various points at the spit shore are discussed. Most of them are based on fact of accumulatio
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Hao, Jialing, Xiaoxin Jiang, and Juan Yang. "Three-Dimensional Numerical Model of Wind-Driven Current in a Lake Based on POM Model." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79898.

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Lake current is the cause for the transport of many matters such as suspended sediment, algae, contaminant, therefore, it must be estimated fairly accurately. Generally speaking, the flow in many lakes is weak and the flow direction is follows dominated mainly by the wind direction on lake surface. Correct simulation of the wind-driven current in a lake requires using a three-dimensional hydrodynamic numerical model. The main factor affecting the lake hydrodynamic processes is wind. Because wind-driven current have important influence for the matter exchange and energy transform in a lake, and
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Jangir, Pramod Kumar, Kevin C. Ewans, and Ian R. Young. "Comparison of Ocean Wave Direction Spectra Estimated Using an Array of Three Optech Laser Sensors and a Directional Waverider Buoy." In ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/omae2023-101196.

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Abstract Accurate measurement of the directional properties of waves is needed for a variety of applications, including the safe and economical operation of offshore and shipping industries, climate monitoring, air-sea interaction, and sediment transport. Recent studies have indicated differences in significant wave heights (Hm0) estimated from Eulerian and Lagrangian measurement types of approximately 10%. Similar differences might be expected in measurements of directional properties due to the different measurement principles. Spatial arrays of wave sensors and Directional Waverider (pitch/
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NOSHI, YASUHITO, TAKAAKI UDA, AKIO KOBAYASHI, and TAKAYUKI YOSHINO. "UPCOAST EXPANSION OF EROSION OPPOSITE TO DIRECTION OF PREDOMINANT LONGSHORE SAND TRANSPORT OBSERVED IN FUTTSU POINT." In Coastal Sediments 2015. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814689977_0038.

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Han, Xiao, and Ning Zhang. "Coastal Hydrodynamic and Sediment-Salinity Transport Simulations for Southwest Louisiana Using Measured Vegetation Data." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51571.

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Storm-surge flood is a major thread to the inhabitants and the health of the marshes in Southwest Louisiana. The floods caused direct damages to the area, but also indirectly caused excessive sedimentations in the water system, especially in Calcasieu Ship Channel which is a vital industrial water way connecting the City of Lake Charles to the Gulf. It is well known that coastal wetlands and marshes have significant impacts on the prevention and reduction of coastal floods. The wetland vegetation creates larger frictions to the flooding water and acts as the first line of defense against any s
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Bobykina, Valentina, Valentina Bobykina, Boris Chubarenko, Boris Chubarenko, Konstantin Karmanov, and Konstantin Karmanov. "MORPHODYNAMICS OF THE SHORES OF THE VISTULA SPIT (THE BALTIC SEA) IN A PERIOD OF 2002-2015 BY RESULTS OF IN-SITU MEASUREMENTS." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b943e73f9e6.07698800.

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For the first time, the quantitative characteristics of the Vistula Spit shore dynamics based on the ground-based monitoring data for 2002-2015 were presented. On the sea shore, 3 sections can be distinguished by the direction of coastal processes, i.e. the stable section to the north of the Strait of Baltiysk, the eroded 4-km section to the south of the Strait of Baltiysk, with maximum erosion rate up to 2 m/year; in the remaining area of the Spit (21 km) to the Polish border there is an alternation of stable, eroded and accumulative areas. Since 2011, a steady erosion (in the stable segments
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10

Bobykina, Valentina, Valentina Bobykina, Boris Chubarenko, Boris Chubarenko, Konstantin Karmanov, and Konstantin Karmanov. "MORPHODYNAMICS OF THE SHORES OF THE VISTULA SPIT (THE BALTIC SEA) IN A PERIOD OF 2002-2015 BY RESULTS OF IN-SITU MEASUREMENTS." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4315ec153d.

Full text
Abstract:
For the first time, the quantitative characteristics of the Vistula Spit shore dynamics based on the ground-based monitoring data for 2002-2015 were presented. On the sea shore, 3 sections can be distinguished by the direction of coastal processes, i.e. the stable section to the north of the Strait of Baltiysk, the eroded 4-km section to the south of the Strait of Baltiysk, with maximum erosion rate up to 2 m/year; in the remaining area of the Spit (21 km) to the Polish border there is an alternation of stable, eroded and accumulative areas. Since 2011, a steady erosion (in the stable segments
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Reports on the topic "Sediment transport direction"

1

Ziegler, Nancy, Nicholas Webb, Adrian Chappell, and Sandra LeGrand. Scale invariance of albedo-based wind friction velocity. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40499.

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Obtaining reliable estimates of aerodynamic roughness is necessary to interpret and accurately predict aeolian sediment transport dynamics. However, inherent uncertainties in field measurements and models of surface aerodynamic properties continue to undermine aeolian research, monitoring, and dust modeling. A new relation between aerodynamic shelter and land surface shadow has been established at the wind tunnel scale, enabling the potential for estimates of wind erosion and dust emission to be obtained across scales from albedo data. Here, we compare estimates of wind friction velocity (u*)
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2

Rice, J. M., M. Ross, H E Campbell, R. C. Paulen, and M. B. McClenaghan. Net evolution of subglacial sediment transport in the Quebec-Labrador Sector of the Laurentide Ice Sheet, Quebec and Newfoundland and Labrador. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/332151.

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The interior of the Laurentide Ice Sheet (LIS) had a dynamic polythermal base. However, the subglacial thermal organization of the LIS and its evolution throughout glaciation are poorly constrained. Specifically, the net effect of ice divide migration on subglacial processes and the resulting landforms and sediments remains poorly understood. The results of a regional-scale till sampling program within the interior of the Quebec-Labrador sector of the LIS were used to explore dispersal patterns across a region known to have experienced ice divide migration. Indicator mineral and clast litholog
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Li, Honghai, Grace Maze, Kevin Conner, and John Hazelton. Sediment transport modeling at Stono Inlet and adjacent beaches, South Carolina. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42501.

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This report documents a numerical modeling investigation for dredged material from nearshore borrow areas and placed on Folly Beach adjacent to Stono Inlet, South Carolina. Historical and newly collected wave and hydrodynamic data around the inlet were assembled and analyzed. The datasets were used to calibrate and validate a coastal wave, hydrodynamic and sediment transport model, the Coastal Modeling System. Sediment transport and morphology changes within and around the immediate vicinity of the Stono Inlet estuarine system, including sand borrow areas and nearshore Folly Beach area, were e
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Ptsuty, Norbert, Andrea Habeck, and Christopher Menke. Shoreline position and coastal topographical change monitoring at Gateway National Recreation Area: 2017–2022 and 2007–2022 trend report. National Park Service, 2023. http://dx.doi.org/10.36967/2299536.

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This trend report summarizes the results of shoreline position and coastal topography monitoring conducted at Gateway National Recreation Area (GATE) in 2007 through 2022. The data collection and report were completed by Rutgers University for the National Park Service, Northeast Coastal and Barrier Network, Inventory and Monitoring Program. Gateway National Recreation Area (GATE) is made up of three units: Sandy Hook Unit, Jamaica Bay Unit (Breezy Point, Plumb Beach), and Staten Island Unit (Great Kills, Miller Field, Fort Wadsworth). Shoreline position change results include a spatial depict
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5

Psuty, Norbert, Christopher Menke, Katherine Ames, Andrea Aabeck, and Casey Jones. Shoreline position and coastal topographical change monitoring at Assateague Island National Seashore: 2005–2020 trend report. National Park Service, 2022. http://dx.doi.org/10.36967/nrr-2293154.

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This trend report summarizes the results of shoreline position and coastal topography surveys conducted semi-annually from the spring of 2005 through the fall of 2020. Shoreline position was collected in the Assateague Island National Seashore (ASIS), the Assateague State Park, and the Chincoteague National Wildlife Refuge, whereas coastal topography was collected only in the Assateague Island National Seashore and the Assateague State Park. The assembled datasets are processed to provide spatial depictions and statistical analyses of annual changes, 5-year changes, and the extended 15-year ch
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