Academic literature on the topic 'Crescentic bars'

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Journal articles on the topic "Crescentic bars"

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Calvete, Daniel, Francesca Ribas, Huib E. De Swart, and Albert Falques. "EFFECT OF SURFACE ROLLERS ON THE FORMATION OF CRESCENTIC BARS." Coastal Engineering Proceedings 1, no. 33 (2012): 51. http://dx.doi.org/10.9753/icce.v33.sediment.51.

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The formation of crescentic bars is examined using a morphodynamic model based in linear stability analysis. The effect of surface rollers for off-normal wave conditions is examined. The effect of the rollers is to increase the efolding times with increasing the angle of incidence. For angles large enough the formation of crescentic bars is even inhibit. The main effect of the rollers it be through hydrodynamics. The longitudinal changes in current produced by the rollers cause the maximum of sediment concentration to be shifted towards the coast with the final effect of prevent the formation
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Shaw, John. "Beach Morphodynamics of an Atlantic Coast Embayment: Runkerry Strand, County Antrim." Irish Geography 18, no. 1 (2016): 51–58. http://dx.doi.org/10.55650/igj.1985.726.

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Runkerry Strand is exposed to high energy Atlantic wind and wave processes. Rhythmic topography found on the beach and in the nearshore zone includes beach cusps, rip current channels, longshore rip feeder channels, rip current embayments (giant cusps), transverse and crescentic bars. Changes in beach/nearshore zone morphology are cyclic and although no link with incident wave power was demonstrated, it is suggested that the Australian beach state model is applicable. Sand is moved seawards by rip currents which scour the sea bed. exposing an underlying gravel frame, and returns landwards on m
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Lee, Hee Jun, Mujong Kim, Jong Dae Do, Hak Soo Lim, and Chung Kyun Jeon. "Flows over crescentic bars under control of wave energy." Geo-Marine Letters 40, no. 1 (2019): 101–14. http://dx.doi.org/10.1007/s00367-019-00621-y.

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Chen, W. L., N. Dodd, M. C. H. Tiessen, and D. Calvete. "An idealised study for the long term evolution of crescentic bars." Continental Shelf Research 152 (January 2018): 87–97. http://dx.doi.org/10.1016/j.csr.2017.11.006.

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Tiessen, M. C. H., S. M. van Leeuwen, D. Calvete, and N. Dodd. "A field test of a linear stability model for crescentic bars." Coastal Engineering 57, no. 1 (2010): 41–51. http://dx.doi.org/10.1016/j.coastaleng.2009.09.002.

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CABALLERIA, M., G. COCO, A. FALQUÉS, and D. A. HUNTLEY. "Self-organization mechanisms for the formation of nearshore crescentic and transverse sand bars." Journal of Fluid Mechanics 465 (August 25, 2002): 379–410. http://dx.doi.org/10.1017/s002211200200112x.

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The formation and development of transverse and crescentic sand bars in the coastal marine environment has been investigated by means of a nonlinear numerical model based on the shallow-water equations and on a simplified sediment transport parameterization. By assuming normally approaching waves and a saturated surf zone, rhythmic patterns develop from a planar slope where random perturbations of small amplitude have been superimposed. Two types of bedforms appear: one is a crescentic bar pattern centred around the breakpoint and the other, herein modelled for the first time, is a transverse
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Arifin, Rumana Reaz, and Andrew B. Kennedy. "The evolution of large scale crescentic bars on the northern Gulf of Mexico coast." Marine Geology 285, no. 1-4 (2011): 46–58. http://dx.doi.org/10.1016/j.margeo.2011.04.003.

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Bouvier, Clement, Jelmer Korteling, Timothy D. Price, Yann Balouin, and Bruno Castelle. "OBSERVATION AND MODELLING OF SHOREWARD PROPAGATING ACCRETIONARY WAVES (SPAWS) ON MICROTIDAL BEACHES." Coastal Engineering Proceedings, no. 36v (December 28, 2020): 27. http://dx.doi.org/10.9753/icce.v36v.sediment.27.

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At straight sandy coasts, wave-induced processes often lead to intriguing alongshore-variable morphology on spatial scales from 10s - 1000s of meters. Observations have shown that the horns of crescentic bars may separate from the bar during storms and subsequently migrate onshore towards the beach during calmer periods as a spatially coherent structure, termed Shoreward Propagating Accretionary Wave, or SPAW. Here, we aim to (1) quantify the morphological evolution of a SPAW and (2) unravel the physical processes underlying its onshore migration and spatial coherence. To do so, we studied ons
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Alevizos, Evangelos, and Dimitrios D. Alexakis. "Monitoring Short-Term Morphobathymetric Change of Nearshore Seafloor Using Drone-Based Multispectral Imagery." Remote Sensing 14, no. 23 (2022): 6035. http://dx.doi.org/10.3390/rs14236035.

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Short-term changes in shallow bathymetry affect the coastal zone, and therefore their monitoring is an essential task in coastal planning projects. This study provides a novel approach for monitoring shallow bathymetry changes based on drone multispectral imagery. Particularly, we apply a shallow water inversion algorithm on two composite multispectral datasets, being acquired five months apart in a small Mediterranean sandy embayment (Chania, Greece). Initially, we perform radiometric corrections using proprietary software, and following that we combine the bands from standard and multispectr
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Coco, Giovanni, Daniel Calvete, Francesca Ribas, Huib E. de Swart, and Albert Falqués. "Emerging crescentic patterns in modelled double sandbar systems under normally incident waves." Earth Surface Dynamics 8, no. 2 (2020): 323–34. http://dx.doi.org/10.5194/esurf-8-323-2020.

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Abstract. Double sandbar systems often characterize the surf zone of wave-dominated beaches and display a variety of poorly explained spatial configurations. Here, we explore the morphodynamic stability of double-barred beaches using a model based on linear stability analysis. Surf zone hydrodynamics are described by coupling depth and wave-averaged conservation of mass and momentum with the wave energy and phase equations, including roller dynamics. A simplified sediment transport formulation relates flow to seabed changes. Under normal wave incidence, an alongshore uniform coast with a cross
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Dissertations / Theses on the topic "Crescentic bars"

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Feyssat, Pierre. "Modélisation conceptuelle du fonctionnement d'une plage microtidale à barres en festons." Electronic Thesis or Diss., Perpignan, 2023. https://theses-public.univ-perp.fr/2023PERP0021.pdf.

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Les barres sédimentaires d'avant-côte contrôlent la dynamique des plages. Comprendre le couplage plageémergée /immergée est primordial à l'heure où des secteurs urbains entiers de la région Occitanie sont soumis au phénomène d'érosion. Laquestion de la topographie des plages apparaît donc comme une connaissance cruciale à l'heure d'anticiper les changements à venir induits par lahausse globale du niveau moyen de la mer.L'objectif de ce travail de thèse est d'alimenter les connaissances sur la compréhension des systèmesde plage aérienne/plage sous-marine et leurs interconnexions, en se penchant
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Rambocus, Odesh Sharma. "An experimental study of the stress intensity factors of semi-elliptical & crescent moon surface fatigue cracks in round bars." Master's thesis, University of Cape Town, 2005. http://hdl.handle.net/11427/5482.

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Books on the topic "Crescentic bars"

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Gillespie, Gregg R. The Best Cookies: Snaps, Crescents, Bars, Drops, and Other Crumbly Confections (Best Series). Black Dog & Leventhal Publishers, 2003.

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501 cookies: The ultimate A to Z guide of bars, drops, crescents, snaps, squares and everything that crumbles. Black Dog & Leventhal Publishers, 2009.

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Marques, Marcia Alessandra Arantes, ed. Pesquisa em Engenharia: Ciência e Aplicação. Bookerfield Editora, 2022. http://dx.doi.org/10.53268/bkf22040200.

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Neste livro são apresentados resultados de trabalhos científicos aplicados à grande área de Engenharia. De abordagem objetiva, a obra se mostra de grande relevância para graduandos, alunos de pós-graduação, docentes e profissionais. Os capítulos estão agrupados em duas seções: i) materiais; ii) águas continentais e oceânicas. Pelo capítulo um é apresentado o desenvolvimento de uma metodologia para obter-se reprodutibilidade da área superficial de um eletrodo de estanho durante o estudo do crescimento de óxidos de estanho. A reprodutibilidade da área superficial pode ser comprovada pela reprodu
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Marques, Marcia Alessandra Arantes, ed. Pesquisa em Engenharia: Ciência e Aplicação. Bookerfield Editora, 2022. http://dx.doi.org/10.53268/bkf22040200.

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Neste livro são apresentados resultados de trabalhos científicos aplicados à grande área de Engenharia. De abordagem objetiva, a obra se mostra de grande relevância para graduandos, alunos de pós-graduação, docentes e profissionais. Os capítulos estão agrupados em duas seções: i) materiais; ii) águas continentais e oceânicas. Pelo capítulo um é apresentado o desenvolvimento de uma metodologia para obter-se reprodutibilidade da área superficial de um eletrodo de estanho durante o estudo do crescimento de óxidos de estanho. A reprodutibilidade da área superficial pode ser comprovada pela reprodu
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Book chapters on the topic "Crescentic bars"

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Wohl, Ellen. "November: Beavers to the Rescue." In Saving the Dammed. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190943523.003.0014.

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By late November, snow covers much of the beaver meadow. I visit on a sunny day well above freezing, but the low-angle light comes with long, long shadows. The meadow is noisy with continuously rushing wind that keeps the bare willow branches swaying and sculpts the snow on the lee side of plants into streamlined mounds. Individual grass stems have traced downwind crescents on the snow surface. Tracks of wind, tracks of animals: the activities of the meadow are once again made visible in the footprints of moose, hare, squirrel, coyote, and birds. The snow is mushy in the warmth and many of the
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Conference papers on the topic "Crescentic bars"

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Coco, Giovanni, M. Caballeria, A. Falqués, and D. A. Huntley. "CRESCENTIC BARS AND NEARSHORE SELF-ORGANIZATION PROCESSES." In Proceedings of the 28th International Conference. World Scientific Publishing Company, 2003. http://dx.doi.org/10.1142/9789812791306_0315.

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Ribas, F., R. Garnier, E. Ojeda, A. Falqués, J. Guillén, and D. Calvete. "Observation and Modeling of Crescentic Bars in Barcelona Embayed Beaches." In Sixth International Symposium on Coastal Engineering and Science of Coastal Sediment Process. American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40926(239)166.

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FEYSSAT, Pierre, Raphaël CERTAIN, Nicolas ROBIN, et al. "Low Beach Bars: a discontinuous subtidal system of proximal bars within Mediterranean low microtidal crescentics systems." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2022. http://dx.doi.org/10.5150/jngcgc.2022.037.

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Fatimah, Fatimah, Rahma Diyan Martha, Danar Danar, Atiqoh Zummah, Ines Marisya Dwi Anggraini, and Asmarani Kusumawati. "Identification of anticancer potential compounds and its in silico prediction of the cytotoxic activity in majapahit (Crescentia cujete L.) stem bark." In THE 5TH INTERNATIONAL CONFERENCE ON MATHEMATICS AND SCIENCE EDUCATION (ICoMSE) 2021: Science and Mathematics Education Research: Current Challenges and Opportunities. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0112833.

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Ворошилов, А. Н., and И. А. Гараев. "HELLENISTIC BURIAL OF A WARRIOR FROM ASIAN BOSPOROS." In Hypanis. Труды отдела классической археологии ИА РАН. Crossref, 2023. http://dx.doi.org/10.25681/iaras.2020.978-5-94375-324-4.71-92.

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В статье рассматривается воинское погребение, обнаруженное на Азиатском Боспоре в 2020 году около пос. Волна. Захоронение совершено в могиле с подбоем, заложенном сырцовым кирпичом. Погребенный лежал вытянуто на спине, головой на север-северо-восток. Рядом с погребенным обнаружен полный набор наступательного вооружения. Элементы паноплии были компактно уложены справа от погребенного: убранный в ножны длинный железный меч без перекрестья с серповидным навершием рукояти; декор ножен меча из стеклянных бус; массивный боевой нож с костяной рукоятью и его ножны с бронзовой бутеролью; два копья с же
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