Gotowe bibliografie tematyczne / Beach slope

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Gotowa bibliografia na temat „Beach slope”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 1 lutego 2022

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Artykuły w czasopismach na temat "Beach slope"

NICHOLAS C. BROWN i TIFFANY ROBERTS BRIGGS. "SEDIMENTOLOGY OF BEACHES IN NORTHERN PALM BEACH COUNTY, FLORIDA, USA". William Morris Davis – Revista de Geomorfologia 1, nr 1 (13.08.2020): 29–46. http://dx.doi.org/10.48025/issn2675-6900.v1n1.p29-46.2020.

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Beach nourishment is a common strategy for erosion mitigation that also increases coastal resilience to storm impacts, provides habitat, and supports the economy. Regulations often require that placed sediment closely match the native grain size distribution and composition, however characteristics can vary based on the borrow site. Certain sediment properties will also influence beach slope and other critical beach functions. This study evaluates the 3-dimensional sediment properties and beach morphology of nourished and non-nourished barrier island beaches in northern Palm Beach County, Florida, USA. Surveyed beach profiles were compared with predicted slope based on median grain size. The inlet-adjacent beach managed with annual placement of beneficial use of dredged materials consisted of poorly sorted coarse sand and the steepest measured slope. Sediment was progressively finer and better sorted downdrift with decreasing foreshore slopes. Although sediment near the shoreline is typically the coarsest, clasts were finer than the mid-beach location suggesting that the sampling period coincided with beach recovery and onshore sediment transport of finer material. Sediment at the surface differed from sediment at depth, likely due to the frequent introduction of sediment from various borrow areas compared to the dominance of weathered coquina at depth. The non-carbonate, siliciclastic fraction was primary quartz with few other minerals. The estimated beach slope at the location with the coarsest sediment matched the measured slope. A lower beach slope was predicted for the other locations with finer grain sizes at the shoreline that was attributed to slightly steeper slopes associated with beach accretion. Therefore, complicated spatio-temporal morphodynamics of beaches should be considered when using median grain size from only one sampling event.

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OKAZAKI, Sei-ichi. "Beach Cycle and Beach-face Slope on Sandy Beaches." Kikan Chirigaku 50, nr 2 (1998): 119–25. http://dx.doi.org/10.5190/tga.50.119.

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Narayani, Subramanian, Sasidharan Venu i Andrea Joan D'Silva. "Comparison of beach profiles conducive for turtle nesting in Andaman". Journal of Threatened Taxa 10, nr 10 (26.09.2018): 12337–43. http://dx.doi.org/10.11609/jott.3373.10.10.12337-12343.

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The present study was undertaken to compare beach characteristics associated with turtle nesting in the Andaman group of islands. Karmatang, Kalipur, Ramnagar, Chidiyatapu, Carbyn’s Cove, and Wandoor were chosen as study sites. Beach slope, sand grain characteristics, and general vegetation patterns were analysed. The angle of inclination of the beach slope ranged from 2.06 to 8.3 degrees. Beaches with a higher angle had a comparatively higher number of nesting sites. The study shows that a single factor does not make a beach more conducive for nesting. Chidiyatapu has the widest beach but lacks other features and so it is not a preferred nesting site. The grain size of sand in Wandoor is highly favourable, but the intertidal region is not long and there are streams that can drown the nests. Karmatang has a long beach and a higher slope angle. Ramnagar has a moderate beach length and a high slope angle. The dominant grains at both the beaches were found to be granules. The absence of streams and artificial light, fewer number of anthropogenic activities, lack of obstacles, the presence of bordering vegetation, and a conducive beach slope with granular sand grains make Ramnagar, Karmatang, and Kalipur ideal for turtle nesting.

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Clifton, A. Wayne, Richard T. Yoshida i Roy W. Chursinoff. "Regina Beach — a town on a landslide". Canadian Geotechnical Journal 23, nr 1 (1.02.1986): 60–68. http://dx.doi.org/10.1139/t86-007.

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The town of Regina Beach is constructed on landslides along the Last Mountain Lake valley, a glacial meltwater channel in south-central Saskatchewan, Canada. The landslides are retrogressive in nature and are seated in bentonitic clay shale of the Bearpaw Formation. A study was conducted at Regina Beach to determine the sensitivity of the slopes to changes in slope geometry as a result of regrading, or groundwater changes. Back-calculated shear strength was compared with values from the laboratory and from other landslides in Cretaceous bedrock shales. Modest changes in grading of the toe areas would result in significant reductions in the local stability and future movements of upslope portions of the landslide. Development should minimize the amount of grading. Increased slope movement due to breaks in watermains was observed and measured. This correlated well with analysis. Development in landslide areas must assume that differential vertical and horizontal movements will occur. Proper site reconnaissance should identify optimum locations for buildings and services such that the risk of rupture or damage is minimized. Key words: landslide, retrogressive, back analysis, residual shear strength, Bearpaw Formation, inclinometer, slope movement.

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McFall, Brian C. "The Relationship between Beach Grain Size and Intertidal Beach Face Slope". Journal of Coastal Research 35, nr 5 (12.06.2019): 1080. http://dx.doi.org/10.2112/jcoastres-d-19-00004.1.

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Otoluwa, Zulkifli, Rignolda Djamaluddin, Royke M. Rampengan, Jane Mamuaya, Esry T. Opa i Joudy RR Sangari. "MORFOMETRI GISIK KAWASAN PANTAI WISATA BAHARI SARIO KOTA MANADO". JURNAL PESISIR DAN LAUT TROPIS 9, nr 2 (30.06.2021): 35. http://dx.doi.org/10.35800/jplt.9.2.2021.34851.

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Beach formation has an important role in protecting land from the action of the sea and it is useful for recreation, conservation and other uses. In “Wisata Bahari Sario” Kota Manado coastal area there is still a particular area of beach that is used for various purposes, so it is important to study its morphology. This research was conducted with the aim of describing morphology and analyzing oceanographic factors that affected the dynamic process of beach morphology. The results showed that the beach had an area of 422.69 m2, with the criteria for short slopes in the Northeast and long slopes in the Southwest. The shapes of the beach surface were in the form of gutters and shoots, their appearance was more visible towards the Southwest. In general, the deposition process took place more intensively in the Southwestern part of the beach. Keywords: Beach, Morphology, Slope, Deposition

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Endo, Masatoshi, A. Kobayash, T. Uda, M. Serizawa i Y. Noshi. "MODEL FOR PREDICTING BEACH CHANGES USING CELLULAR AUTOMATON METHOD". Coastal Engineering Proceedings 1, nr 33 (11.10.2012): 12. http://dx.doi.org/10.9753/icce.v33.posters.12.

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Sand deposition on the gently-sloping revetment, the slope of which is steeper than the equilibrium slope of sand, is often observed when storm waves ran up the beach. Serizawa et al. (2006) have developed the BG model, in which the cross-shore sand transport depends on the balance between the equilibrium slope of sand and the local slope of the beach, and seaward sand transport will occur when the local slope of the beach or the structure is larger than the equilibrium slope. This implies that shoreward sand transport on the slope steeper than the equilibrium slope of sand cannot be predicted by the BG model. This is because the fundamental equation of the BG model is expressed by the net sand transport defined by the sum of the sand transport under the ongoing and outgoing waves. In this study, sand transport under the ongoing and outgoing waves is independently taken into account, and a new model for predicting beach changes is developed using the cellular automaton method.

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Leont’yev, I. O. "Storm-induced deformations of barred beach slope". Океанология 59, nr 1 (18.04.2019): 125–32. http://dx.doi.org/10.31857/s0030-1574591125-132.

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It is shown that behavior of the multiple-bar system during a storm can be described in frameworks of the model assuming that bars move toward the sea with almost the same mean speed, while the over-bar depths increase in accordance with the local bed slope. Analysis of suspended-sediment balance over the bar crest leads to expression for the bar movement speed, which demonstrates very strong dependence on ratio of wave height to the over-bar depth. Using empirical criterion of bar activity the model suggested is capable assess the bar displacement during a storm action and predict the post-storm bed profile. Comparison with the published field data leads to conclusion that the computed and observed storm-induced deformations of barred beach slopes are in satisfactorily agreement.

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Boon, John D., i Malcolm O. Green. "CARIBBEAN BEACH-FACE SLOPES AND BEACH EQUILIBRIUM PROFILES". Coastal Engineering Proceedings 1, nr 21 (29.01.1988): 120. http://dx.doi.org/10.9753/icce.v21.120.

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Field measurements performed on two Caribbean islands revealed that two-dimensional nearshore bottom morphology is well represented by Dean's (1977) model of the beach equilibrium profile, h - A xm, where h is depth below mean water level at a distance x offshore and A is a scale factor. For the curvature, m, we obtained an average value of approximately m - 1/2 through least squares curve fitting of observed profile data, yielding a more concave and therefore steeper profile inshore than m — 2/3, the average previously reported by Dean for quartz sand beaches in the United States. Furthermore, an objective measure of beach steepness was found to be A-*-'1", a quantity which utilizes both of Dean's parameters and which may serve as a surrogate for the beach-face slope, tan /3, on highly concave beaches. Reasonable correlations were found between A?-'m and the environmental parameter, H^ /gDT , where H^ is breaker height, D is sediment grain size, T is wave period and g is gravitational acceleration. Improved prediction of Caribbean beach slopes and beach equilibrium profiles is an important practical result.

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Viršilaitė, Kristina, i Donatas Pupienis. "Heavy Mineral Impact on Beach Slope Formation". Vilnius University Proceedings 10 (21.05.2020): 70. http://dx.doi.org/10.15388/klimatokaita.2020.62.

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Rozprawy doktorskie na temat "Beach slope"

Fitton, Timothy, i tfitton@hotmail com. "Tailings beach slope prediction". RMIT University. Civil, Environmental and Chemical Engineering, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080212.120813.

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Tailings (mining waste) disposal is a significant consideration for the mining industry, with the majority of the ore processed in most mining operations ending up as tailings. This creates large volumes of tailings, which must be handled and stored responsibly to avoid potential environmental catastrophes. The most common form of tailings storage facility is the impoundment, where tailings are contained within a basin, with beaches forming around the perimeter of the impoundment and a pond standing in the middle. A relatively new method of tailings storage is to create a 'stack', whereby the tailings solids form a large heap, with the discharge of tailings slurry from the apex of the heap. It is of significant value for mine operators and tailings engineers to be able to predict the shape of the beach that forms in either of these disposal scenarios. The key to being able to do this relies on a method of prediction of the beach slope. The aim of this work is to develop a method of tailings beach slope prediction for tailings slurries that are sub-aerially discharged from a pipe. In this thesis a literature review is undertaken, investigating existing methods for the prediction of tailings beach slopes. These methods are validated against relevant industrial and experimental data. Two separate phases of experimental work have taken place in an effort to investigate tailings deposition behaviour, one at mine sites and the other in a laboratory on a small scale. Three new tailings beach slope prediction models are presented; a simple empirical model enabling quick approximate predictions; an a priori tailings beach slope prediction model based on existing theories of open channel flow, sediment transport and rheology, which is more powerful due to the greater degree of theory in its foundation; and a new semi-empirical model that shares some of the theoretical aspects of the a priori model but offers better predictions due to its empirical calibration to the experimental data. The experimental results, along with 3 other independently collected sets of relevant industrial and experimental data, are used to validate the beach slope prediction models found in the literature, as well as the new beach slope models presented in this thesis. Statistical evaluation of the performance of all of these models is presented to enable comparison. Finally, a new beach shape model is presented for the three dimensional geometric forecasting of the beach surface of a tailings stack. Historic tailings discharge data is run through the beach shape model, and the shapes predicted by the model are compared with aerial survey data of a real tailings stack for validation of the shape model. This work not only presents a new method of tailings stack shape prediction, but also a plausible theory for explaining the concavity of tailings beaches. The stack shape model also has the potential to be developed further for the three dimensional modelling of tailings beaches formed in other types of storage facilities, such as impoundments or valleys.

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Watson, David H. "Wave Reflection on a Two-Slope Steep Beach". Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/6884.

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Wave reflection of sea-swell (0.050.20 Hz) energy on a two-slope (1/7.6 nearshore and 1/19 offshore) steep beach with no subaqueous sandbar is studied. The dataset were collected using a cross-shore array of 4 Acoustic Doppler Current Profilers measuring velocity and pressure at 1 Hz continuously for 40 days. Measurement of pressure and velocity at the same location allows data to be decomposed into onshore and offshore components to determine reflection. The long data set captured a wide range of wave conditions at various tidal stages. Observations show low amplitude long period waves produced energy reflection coefficients up to 80%, with most in the 3050% range. There was a measured increase in the number of nodes and anti-nodes at higher frequencies and observations farther offshore consistent with theory. Field data were compared to an analytical two-slope model that predicts the cross-shore nodal structure of standing waves. The predicted locations of nodes and anti-nodes are in good agreement with observations.

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Abdulhussain, Mohamed Fidahussain 1964. "Gravity bubbler irrigation systems on steep slopes converted to bench terraces". Thesis, The University of Arizona, 1994. http://hdl.handle.net/10150/278410.

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Gravity bubbler irrigation is a new mode of irrigation activated by the existing pressure in conventional irrigation supply channels. In gravity flow systems on steep slopes, pressure increases in the downstream sections of the pipe and must be dissipated for uniform application. A design procedure for gravity bubbler irrigation systems on inclined steep slopes or converted to bench terrace systems is described in detail. The design is based on the use of orifices as energy dissipating devices. Laboratory tests were conducted to determine graphical relationships and coefficients for estimating the head loss for an orifice made from PVC. The head loss coefficient is a function of the orifice to pipe diameter ratio and can be expressed by an equation of the form Ko = abetab where a and b are constants determined from test data and beta is the ratio of diameters. A prototype gravity bubbler irrigation system was designed and installed.

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Abbe, Timothy. "Sediment dynamics on the shore slopes of the Puget Island reach of the Columbia River, Oregon and Washington". PDXScholar, 1989. https://pdxscholar.library.pdx.edu/open_access_etds/4306.

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Water waves generated by wind and ships; ebb tidal currents; water level fluctuations; and dredging impact sediment transport in shallow water of the lower Columbia River. Observations were made over a one-year period after sand dredged from the navigation channel was placed at three study sites in the Puget Island region, 46°15'N 123°25'W, Oregon and Washington. Sediment composition is fine to medium grained, low density dacitic volcanics with small percentages of pumice, heavy minerals, and basalt.

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Griffin, Jason Allan. "DEVELOPMENT OF A RATING CLASSIFICATION FOR ROCK TO BE USED AS TOE-BENCH MATERIAL". Kent State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=kent1215276554.

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Huang, Chien-Lun, i 黃建綸. "On the Variation of Surface Moisture on Mild-Slope Beach". Thesis, 2012. http://ndltd.ncl.edu.tw/handle/34582125579926273577.

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碩士
國立中央大學
水文與海洋科學研究所
101
Previous studies have shown that the wind speed is one of the most dominant controls on aeolian sediment transport. Coastal zone is at the interface among the ocean, atmosphere and the land, where the effects of the moisture content of the top few grain layers (surface moisture) to aeolian sediment transport is even important. This study highlights the dynamic spatial and temporal variability in surface moisture content on mild-slope beach. In this study, the observations were carried out at Yung-An Beach, Xinwu, Taoyuan. Two methods, surface brightness method and gravimetric method, were adopted to measure surface moisture. Furthermore, comparisons of surface brightness content and gravimetric moisture content in an attempt to examine the accuracy and possibility of the surface brightness method was implemented. The results demonstrates that the tidal difference is an important control on aeolian sediment transport in Yung-An Beach. Spring tide is the necessary condition that the surface moisture could be reduced to certain level that its corresponding wind speed thresholds for aeolian transport is less than the ambient wind speed. When the spring tide if the groundwater table is lower than the zero flux plane (ZFP), surface moisture decreases with time in exponential decay. Intensive evaporation due to wind and solar radiation results in faster surface moisture decay and allows the aeolian sand transport. Present study applies data analysis to separate the effects of tide and evaporation on the surface moisture. We proposed a surface moisture content decay formula to assessment the possibility of the occurrence of aeolian sediment transport decay in the mild-solpe beach environments.

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Tseng, Po-Wei, i 曾柏崴. "Diffracted and refracted waves around a rectangle submerged breakwater on a slope beach". Thesis, 2013. http://ndltd.ncl.edu.tw/handle/05846527763232539399.

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碩士
國立臺灣海洋大學
河海工程學系
101
ABSTRACT A hydraulic model test,this research investigate the deformation of the wave field caused by the changes in slope bottom when regular wave passes through a submerged breakwater. In this experiment,we aim to discuss the phenomenon of refraction,diffraction,wave height change and wave transformation in wave field behind the submerged breakwater while the waves in diffrernt incident angles, wave height and periods. Then we used measurement results plotted as two-dimensional and three-dimensional charts. Therefore, the further understanding of the wave's deformation in wave field near the submerged breakwater can be achieved. Based on experiments,it is found that the wave transformation and wave height change were found in the back of the submerged breakwater because of the reftation and diffraction. Furthermore,it indicated that the phenomenon of focus from long period waves was more significant than the one from short period wave.

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Hsiao, Kuan-yu, i 蕭冠宇. "An Application of Nonlinear Evolution Equation for Mild-Slope Equation on Sloping Beach". Thesis, 2008. http://ndltd.ncl.edu.tw/handle/54808876107087829461.

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碩士
國立成功大學
水利及海洋工程學系碩博士班
96
The evolution equation for mild-slope equation model is expended to second order in bottom slope to derive a nonlinear evolution equation of mild-slope equation. The nonlinear evolution equation of mild-slope equation model is used to simulate wave transformations such as shoaling, refraction, diffraction, reflection, wave breaking and energy dissipation. In the condition of bottom slope on 1/10, 1/5 and 1/3, the proposed model can modify wave transformations under the sloping bottom by examining Yang’s (2004) theory and calculate the accurate results. The bottom slope on 1/40 and 1/10, proposed model calculate the accurate results for wave phase with Guza and Bowen’s (1976) theory.

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Liu, Yun-Tso, i 柳昀佐. "Experimental study of multi-directional wave field around a submerged breakwater on slope beach". Thesis, 2014. http://ndltd.ncl.edu.tw/handle/fd2kj4.

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碩士
國立臺灣海洋大學
河海工程學系
102
This study employed a hydraulic mode experiment to discuss how change took place in the wave filed near the submerged breakwater when irregular waves, regular waves, and multi-directional irregular waves passed through a 1/20 sloping breakwater on conditions of no breaking waves on the submerged breakwater. Moreover, a wave gauge was utilized to measure linearly along the central line of the submerged breakwater, with reference to a periodic incident angle on the slope. Then, measurement results from the analysis were mapped into a two-dimensional drawing, which was utilized to discuss the phenomenon of refraction and diffraction of the central line of the wave field. Moreover, the change in wave form and wave height in front of, above and behind the submerged breakwater were also discussed to further understand how waves in the wave field near the submerged breakwater changed shape. Results from the experiment show that waves passing through the submerged breakwater were affected by the height of the submerged breakwater, which caused reflected waves before the breakwater. On the breakwater, due to shallow bottom, refraction and diffraction, waves, shape changed. And behind the breakwater, as the wave diffraction concentrated and the water was deeper, the waves height became bigger.

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DiTroia, Alycia. "Legacy Sediment Controls on Post-Glacial Beaches of Massachusetts". 2019. https://scholarworks.umass.edu/masters_theses_2/738.

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Here we examine seasonal grain-size trends on 18 beaches in the Northeastern US and dispersed along the post-glacial coast of Massachusetts (USA) in order to explore the mechanisms influencing median grain size and slope. Over 800 grain size samples were collected along 200 summer and winter cross-shore beach elevation surveys. Obtained grain size and beach slope data are compared to coastal morphology, sediment source, wave height, and tidal magnitude in order to ascertain controls on beach characteristics. In general, median grain size increases with intertidal beach slope in the study region. However, grain sizes along post-glaciated beaches in the study are as much as an order of magnitude coarser for the same beach slopes when compared to beaches for other regions of the US. Grain size and slope for beaches in the northeastern US also exhibit less correlation with oceanographic processes (i.e. wave climate and tidal magnitude). Instead, grain size trends are primarily driven by the composition of nearby glacial deposits that serve as the primary source of sediment to beaches in the study region. Results provide quantitative support for the distribution and composition of legacy glacial deposits rather than oceanographic conditions serving as the predominant governor of beach grain size along post-glaciated coastlines of the Atlantic continental margin.

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Książki na temat "Beach slope"

Conlin, B. H. Tailings beach slopes. S.l: s.n, 1989.

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Części książek na temat "Beach slope"

Acharyya, Rana, i Arindam Dey. "Influence of Footing Typologies on the Stability of a Transmission Tower Resting on the Bench of a Hill Slope". W Challenges and Innovations in Geomechanics, 423–30. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64518-2_50.

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"beach slope". W Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 114. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_21032.

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"beach slope". W Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 114. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_21033.

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"line of demarcation of the beach slope". W Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 804. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_121597.

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Adam, John A. "Scattering of Surface Gravity Waves by Islands, Reefs, and Barriers". W Rays, Waves, and Scattering. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691148373.003.0017.

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This chapter focuses on the scattering of surface gravity waves by islands, reefs, and barriers. Surface gravity waves that propagate from the deep ocean to coastal regions may be strongly amplified by reflection, refraction, diffraction, and shoaling due to variation in water depth. Analytical solutions provide an attractive approach to studies on wave scattering, but they are obtainable for only special topographies and simple governing equations. The chapter considers long surface gravity waves (linear shallow water waves) such that the depth of the water is much greater than the vertical free surface displacement and the wavelength is much larger than the depth. The fluid equations are derived directly for the present context. The discussion covers trapped waves, the scattering or S-matrix, submerged circular islands, edge waves on a sloping beach, one-dimensional edge waves on a constant slope, and wave amplication by a sloping beach.

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"Large-wave simulation of three-dimensional wave breaking over constant-slope beach". W Environmental Hydraulics, Two Volume Set, 447–52. CRC Press, 2010. http://dx.doi.org/10.1201/b10553-73.

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Gray, John S., i Michael Elliott. "The sediment and related environmental factors". W Ecology of Marine Sediments. Oxford University Press, 2009. http://dx.doi.org/10.1093/oso/9780198569015.003.0006.

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Our next major question is, how can we characterize the sediment as a habitat for biota? Marine sediments range from coarse gravels in areas subjected to much wave and current action, to muds typical of low-energy estuarine areas and to fine silts and clays in deep-sea sediments. The settling velocity of those particles and the ability of any particle to be re-suspended, moved, and redeposited depends on the prevailing hydrographic regime (e.g. see Open University 2002). The latter will in turn influence the transport of a species´ dispersal stages, especially larvae which will then be allowed to settle following metamorphosis under the appropriate hydrographic conditions (defined as hydrographic concentration). Hence the presence of fine sediments will indicate the depositing/accreting areas which may also be suitable for passively settling organisms. Clearly the particle size is of major importance in characterizing sediments, although sediments can also be categorized by their origin (fluvial, biogenic, cosmogenic, etc.) and their material (quartz, carbonates, clays, etc.) (Open University 2002). On a typical sandy beach the coarsest particles lie at the top of the beach and grade down to the finest sediments at the waterline. The top of the beach is dry and there is much windblown sand, since coarse sands drain rapidly, whereas at the lower end of the beach the sediments are wet, with frequent standing pools. Coarse sediment is found at the top of the shore because as the waves break on the beach the heaviest particles sediment out first. Finer particles remain in suspension longer and are carried seaward on the wave backwash. Beaches change their slope over the seasons, being steeper in winter and shallower in summer. A greater degree of wave energy will produce steeper beaches, as particles are pushed up the beach and so may be stored there, whereas gentle waves produce shallow, sloping beaches. Waves hitting the shore obliquely will create sediment movement as longshore drift. Subtidally, waves are important in distributing and affecting sediments down to depths of 100 m, but the effect decreases exponentially with depth and so the dominant subtidal influences on sediment transport are currents.

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"bench slope". W Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 121–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_21363.

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"bench(ed) slope". W Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 121. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_21340.

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"bench slope stability". W Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 122. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_21364.

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Streszczenia konferencji na temat "Beach slope"

Jewell, Richard. "Putting beach slope prediction into perspective". W 15th International Seminar on Paste and Thickened Tailings. Australian Centre for Geomechanics, Perth, 2012. http://dx.doi.org/10.36487/acg_rep/1263_08_jewell.

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Seddon, Keith, i Timothy Fitton. "Realistic beach slope prediction and design". W 14th International Seminar on Paste and Thickened Tailings. Australian Centre for Geomechanics, Perth, 2011. http://dx.doi.org/10.36487/acg_rep/1104_26_seddon.

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CHO, WON CHUL, i KWON-SEO JO. "CROSS-SHORE CHANGE OF BEACH PROFILE BY REFORMATION OF BEACH SLOPE AFTER BREAKDOWN". W Proceedings of the 5th International Conference on APAC 2009. World Scientific Publishing Company, 2009. http://dx.doi.org/10.1142/9789814287951_0176.

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Fitton, Timothy, i Paul Slatter. "A tailings beach slope model featuring plug flow". W 16th International Seminar on Paste and Thickened Tailings. Australian Centre for Geomechanics, Perth, 2013. http://dx.doi.org/10.36487/acg_rep/1363_38_fitton.

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Schäffer, Hemming A., i Ib A. Svendsen. "Surf Beat Generation on a Mild-Slope Beach". W 21st International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1989. http://dx.doi.org/10.1061/9780872626874.080.

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YOSHII, TAKUMI, MASAAKI IKENO i ICHIRO DEGUCHI. "LABORATORY EXPERIMENT ON CUSP FORMATION ON MILD-SLOPE BEACH". W The Proceedings of the Coastal Sediments 2011. World Scientific Publishing Company, 2011. http://dx.doi.org/10.1142/9789814355537_0108.

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ROELVINK, DANO, ROBERT McCALL, SUSANA COSTAS i MARLIES VAN DER LUGT. "CONTROLLING SWASH ZONE SLOPE IS KEY TO BEACH PROFILE MODELLING". W International Conference on Coastal Sediments 2019. WORLD SCIENTIFIC, 2019. http://dx.doi.org/10.1142/9789811204487_0014.

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Frandsen, Jannette B., Régis Xhardé, Francis Bérubé i Olivier Gauvin Tremblay. "Large Scale Experimental Storm Impact on Nourished Beach Using Cobble-Gravel-Sand Mix". W ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-42201.

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We have investigated beach stability against storm waves. The studies are done in relation to eroded beaches. We are testing a cobble-sand-gravel mixture as a means of using a soft method for coastal protection on nourished beaches. A physical model of an existing beach was built at scale 1:3. The cobble/sand grain size is in 1:3 scale while the gravel is 1:1.5 scale. The large scale experimental flume tests have been set-up in the new outdoor 120 m long flume in Québec city, Canada. The tests were conducted over two test seasons (2013–14). While we in the first test season studied impact on the beach due to incoming regular plunging breakers, the last season contained tests with incoming irregular plunging breakers on the beach with/without tidal variation. Herein, we primarily report on the wave impact due to irregular plunging breakers on constant and tidal varying water depths. The wave-tide interactions were conducted with a tidal range of 1 m in relation to beaches with steep beach slopes (1:10, 1:5, 1:1). The model inlet significant wave height was 1.1–1.5 m corresponding to equivalent prototype waves in the range of max. wave heights of 6–8.5 m with dominant periods of 12 s in water depth of about 15 m and tidal range of 3 m. In general, the Equilibrium Beach Profile (EBP) was reached after exposure to about 10,000 plunging breakers or the equivalent of five storms assuming each lasting 3 hours. A cobble berm was formed rapidly on the top of the beach, protecting the backshore against wave action and flooding while finer sediment was transported “offshore”. Beach width reduction was observed when the initial slope of the beach fill material exceeded the equilibrium beach slope. Sediment grain size sorting along the beach profile is discussed and compared to existing beach models, and EBP was compared to several EBP equations. From a coastal management perspective, in terms of durability, the mixed cobble-sand-gravel material is showing promise as a material to use for coastal protection. It is highly absorbent and the beach tends to maintain its shape over long time when exposed to several storms. However, storm surges in the combination with high tides can results in excessive run-up and potential flood risks. The stabilized beach typically had slopes of 1:7–1:9 independent of the initial slope. We found that irregular seas result in a less pronounced trough in the beach profile in the swash zone than incoming regular plunging breakers. The tidal interaction was further advantageous, naturally shifting the material back and forth. However, other materials and other sensitivity studies are necessary in order to provide firm conclusions about the usage of the cobble-gravel-sand mixture for coastal protection.

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Mei, Guozhu, Huaijin Xu, Qinsong Luo i Jie Li. "Simulation of wave resistance induced by moving pressure distributions over mild slope beach". W ADVANCES IN MATERIALS, MACHINERY, ELECTRONICS II: Proceedings of the 2nd International Conference on Advances in Materials, Machinery, Electronics (AMME 2018). Author(s), 2018. http://dx.doi.org/10.1063/1.5033635.

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Pirouz, Behnam, Keith Seddon, Carlos Cristian Pavissich Thiers, Paul Williams i Julio Echevarria. "Flow through tilt flume testing for beach slope evaluation at Chuquicamata Mine Codelco, Chile". W 16th International Seminar on Paste and Thickened Tailings. Australian Centre for Geomechanics, Perth, 2013. http://dx.doi.org/10.36487/acg_rep/1363_35_pirouz.

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Raporty organizacyjne na temat "Beach slope"

Wahl, Ronald E., John F. Peters, Kris McNamara i Ira Brotman. Analysis of Reinforced Revetment Slope of Sargent Beach Erosion Protection Project on the Gulf Intracoastal Waterway. Fort Belvoir, VA: Defense Technical Information Center, marzec 1997. http://dx.doi.org/10.21236/ada325067.

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