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Dissertations / Theses on the topic 'Dune morphodynamics'

Author: Grafiati

Published: 25 January 2025

Last updated: 31 July 2025

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1

Neal, Adrian. "Sedimentology and morphodynamics of a Holocene coastal dune barrier complex, northwest England." Thesis, University of Reading, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359524.

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2

Montreuil, Anne-Lise. "Aeolian dune development and evolution on a macro-tidal coast with a complex wind regime, Lincolnshire coast, UK." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/10609.

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Coastal foredunes are natural aeolian bedforms located landward of the backshore and which interact continuously with the beach. Traditionally, coastal dunes have been associated with onshore winds, however they can be found under more complex wind regimes where offshore winds are common such as the UK East coast, Northern Ireland and New Zealand. This research investigates the ways in which foredune-beach interactions occur under a complex wind regime at a range of overlapping temporal and spatial scales and is innovative in that it explicitly links small-scale processes and morphodynamic beh

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3

Daynac, Jimmy. "Contribution de l'Intelligence Artificielle à la cartographie pour l'analyse des dunes à l'échelle d'un désert : cas d'étude du Rub'Al Khali." Electronic Thesis or Diss., Le Mans, 2024. http://www.theses.fr/2024LEMA1027.

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Les dunes de sable éoliennes à différentes échelles (m-km) sont les principales formes topographiques dans les systèmes éoliens et se retrouvent sur divers corps planétaires comme la Terre, Mars ou Vénus. Elles résultent de l'interaction entre le vent, les sédiments transportés et le substratum. La forme, la taille, la disposition spatiale et le déplacement des dunes permet d'analyser les interactions entre les flux d'air et l'apport de sédiments, modulés par les conditions de surface. La production de cartes détaillées des caractéristiques individuelles des dunes couplée à une analyse statist

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4

Al-Enezi, A. "Morphodynamics and sedimentology of falling dunes in north east Kuwait." Thesis, Royal Holloway, University of London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249315.

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5

Jay, Helen. "Beach-dune sediment exchange and morphodynamic responses : implications for shoreline management, the Sefton coast, NW England." Thesis, University of Reading, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265173.

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6

Burvingt, Olivier Jean-Patrick. "Storm impact and recovery along the south west coast of England." Thesis, University of Plymouth, 2018. http://hdl.handle.net/10026.1/12830.

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Extreme storms are responsible for rapid changes to coastlines worldwide. During the 2013/14 winter, the west coast of Europe experienced a sequence of large, storm-induced wave events, representing the most energetic period of waves in the last 60 years. The southwest coast of England underwent significant geomorphological change during that period, but exhibited a range of spatially variable and complex morphological responses, despite being subjected to the same storm sequence. The 2013/14 storm response along the southwest coast of England was first used as a natural field laboratory to ex

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7

Doré, Arnaud. "Modélisation de l'évolution morphodynamique des dunes sous-marines." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0379/document.

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Les dunes de sable sont des formes très présentes en milieu marin. Comprendre l'évolution des dunes est un enjeu important pour prévoir les caractéristiques de l'écoulement, les flux sédimentaires, et les variations de la bathymétrie. Les dunes sous-marines représentent un risque pour les activités humaines, a fortiori avec l'intérêt croissant pour les énergies marines renouvelables, pour la navigation, ou l'industrie offshore. Bien que la connaissance des dunes représente un intérêt scientifique et opérationnel de premier ordre, les processus physiques conduisant leur évolution sont toujours

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8

Kubicki, Adam [Verfasser]. "Significance of sidescan sonar data in morphodynamics investigations on shelf seas : case studies on subaqueous dunes migration, refilling of extraction pits and sorted bedforms stability / Adam Kubicki." Kiel : Universitätsbibliothek Kiel, 2008. http://d-nb.info/1019660244/34.

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9

Zemmour, Amar. "Étude de l'évolution des littoraux dunaires de la Côte d'Opale à différentes échelles de temps : analyse de leur capacité de régénération post-tempête." Thesis, Littoral, 2019. http://www.theses.fr/2019DUNK0525/document.

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Les dunes côtières constituent un des éléments fondamentaux de la dynamique des systèmes côtiers sableux. Leur stabilité dépend essentiellement de leur capacité à résister aux effets des tempêtes et à se reconstituer après l'érosion. Dans le contexte actuel du changement climatique, la probable hausse du niveau de la mer devrait affecter considérablement les systèmes côtiers et de surcroît augmenter la vulnérabilité des cordons dunaires à l'érosion.L'objectif principal de cette thèse est d'étudier l'évolution des littoraux dunaires de la Côte d'Opale en adoptant une approche à plusieurs échell

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10

Malta, J?lia Varella. "Experimento de fluxo de sedimentos em um segmento de campo de dunas e?licas costeiras de Jenipabu - Litoral oriental do Rio Grande do Norte." Universidade Federal do Rio Grande do Norte, 2012. http://repositorio.ufrn.br:8080/jspui/handle/123456789/18831.

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Made available in DSpace on 2015-03-13T17:08:35Z (GMT). No. of bitstreams: 1 JuliaVM_DISSERT.pdf: 4236567 bytes, checksum: be73f658e3777fffb5d25f1a4d23b8d3 (MD5) Previous issue date: 2012-09-06<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>This study analyzed measurements of the aeolian transport using vertical sand traps across the field dunes of Jenipabu, in the municipality of Extremoz, Rio Grande do Norte state to the North of Natal city. These measurements were used as parameters for the sand aeolian transport in the region. Before the field trips a map of landscape

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11

Grilliot, Michael J. "The role of large woody debris on sandy beach-dune morphodynamics." Thesis, 2019. http://hdl.handle.net/1828/10804.

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Coastal foredune evolution involves complex processes and controls. Although a great deal is known about the effects of vegetation cover, moisture, and fetch distance on sediment supply, and of topographic forcing on airflow dynamics, the role of large woody debris (LWD) as a modulator of sediment supply and a control on foredune growth is understudied. Large assemblages of LWD are common on beaches near forested watersheds and collectively have a degree of porosity that increases aerodynamic roughness and provides substantial sand trapping volume. To date, no research has attempted to underst

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12

Darke, Ian. "Dynamic coastal dune restoration and spatial-temporal monitoring at the Wickaninnish Dunes, Pacific Rim National Park Reserve, British Columbia, Canada." Thesis, 2018. https://dspace.library.uvic.ca//handle/1828/10474.

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This dissertation presents the results of a multi-year interdisciplinary study of a dynamic coastal dune ecosystem restoration effort in Pacific Rim National Park Reserve in British Columbia, Canada. The research is the result of a collaboration with Parks Canada Agency (PCA) who, under the Species at Risk Act (SARA), are mandated to restore habitat for SARA listed species within the dune complex. In response, PCA committed to, and implemented, a dynamic dune ecosystem restoration program that involved widespread removal of invasive vegetation (Ammophila spp.), transplanting of native vegetati

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13

Anderson, Jeffrey. "Morphodynamics of beach-dune systems laden with large woody debris: Haida Gwaii (Queen Charlotte Islands), British Columbia." Thesis, 2009. http://hdl.handle.net/1828/2252.

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This thesis explores the geomorphic implications of large woody debris (LWD) residing in the backshore of beach-dune systems along the northeastern coasts of Haida Gwaii (Queen Charlotte Islands), British Columbia, Canada. Detailed topographic surveys were employed to quantify seasonal mass balance of the beach-dune systems along two distinctly different coastlines. Erosion and accretion potential models were applied to characterize sediment transport conditions. Holman’s (1986) R2% wave runup model was superimposed on total water levels, to model wave runup exceedence of the beach-dune junct

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14

Abhar, Kimia. "Spatial-temporal analysis of blowout dunes in Cape Cod National Seashore using sequential air photos and LiDAR." Thesis, 2014. http://hdl.handle.net/1828/5311.

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This thesis presents results from spatial-temporal and volumetric change analysis of blowouts on the Cape Cod National Seashore (CCNS) landscape in Massachusetts, USA. The purpose of this study is to use methods of analysing areal and volumetric changes in coastal dunes, specifically blowouts, and to detect patterns of change in order to contribute to the knowledge and literature on blowout evolution. In Chapter 2.0, the quantitative analysis of blowout change patterns in CCNS was examined at a landscape scale using Spatial-Temporal Analysis of Moving Polygons (STAMP). STAMP runs as an

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15

Heathfield, Derek Kenneth. "Erosive water levels and beach-dune morphodynamics, Wickaninnish Bay, Pacific Rim National Park Reserve, British Columbia, Canada." Thesis, 2013. http://hdl.handle.net/1828/4925.

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Increases in the frequency and magnitude of extreme water levels and storm surges are observed along some areas of the British Columbia coast to be correlated with known climatic variability (CV) phenomena, including the El Niño/Southern Oscillation (ENSO) and the Pacific Decadal Oscillation (PDO). Since a shift to a positive PDO regime in 1977, the effect of ENSO events have been more frequent, persistent, and intense. Teleconnected impacts include more frequent storms, higher surges, and greater coastal erosion. Geomorphic recovery of regional beach-dune systems from erosive events is usual

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16

Cumming, Rebecca Miville. "Beach-dune morphodynamics and climatic variability in Gwaii Haanas National Park and Haida Heritage Site, British Columbia, Canada." Thesis, 2007. http://hdl.handle.net/1828/180.

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This thesis describes the geomorphology and morphodynamics of two embayed, sandy, macrotidal beach-dune systems in the Cape St. James region of Gwaii Haanas National Park Reserve and Haida Heritage Site. Gilbert Bay beach is a small embayment with a southwest aspect that exhibits prograding dune ridges. Woodruff Bay beach, a larger system with a SE aspect, is characterized by large erosional scarps on the established foredune. Aspect to erosive conditions and embayment size control the distinct morphologic responses of these beach-dune systems. The morphodynamic regime at Cape St. James cons

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17

Beaugrand, Hawley Elizabeth Ruth. "Beach-dune morphodynamics and climate variability impacts of Wickaninnish Beach, Pacific Rim National Park Reserve, British Columbia, Canada." Thesis, 2010. http://hdl.handle.net/1828/3032.

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To date, there has been little research on the morphodynamics of Canada’s Pacific mesotidal beach-dune systems and their potential response to climate variability and change. Accordingly, this study examines and characterizes the morphodynamics of a mesotidal beach-dune system on western Vancouver Island (Wickaninnish Beach) and investigates its potential response to extreme seasonal storms, climate variability events, and climate change trends. This research also informs protected areas management approaches, whose effectiveness is important to the conservation of early successional and pro

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18

Mowling, FA. "The influence of wind flow over a long-walled asymmetric coastal parabolic dune : morphodynamic feedback, evolution and migration." Thesis, 2006. https://eprints.utas.edu.au/20973/1/whole_MowlingFrancesAnne2006_thesis.pdf.

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Mobile transgressive dune systems are often overlooked in the study of coastal morphodynamics and sediment budgets. Inundation bK sand of abutting agricultural land and infrastructure has recurred throughout the 2ot 1 century, frequently accompanied by requests by farming communities to the government to stabilise the dunes. In addition, the association of sea-beach-coastal dunes provides an attractive setting for residential I holiday developments on dune systems. Yet little is known about the pattern of dune mobility in response to changing atmospheric conditions (rainfall, air temperature a

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19

Neto, Paula Eduarda Matos. "Morfodinâmica de cordões dunares intervencionados com paliçadas." Master's thesis, 2014. http://hdl.handle.net/1822/31020.

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Dissertação de mestrado integrado em Engenharia Civil (área de especialização em Perfil de Hidráulica e Ambiente)<br>A erosão costeira é um processo que afeta grande parte das praias a nível mundial, acontecendo quando a taxa de remoção dos sedimentos é maior que a taxa de deposição. Os principais fatores causadores deste desequilíbrio são: o vento, as tempestades, a elevação do nível do mar, o esgotamento das fontes sedimentares, entre outros. São diversos os estudos realizados por todo o mundo procurando soluções que mitiguem os efeitos negativos da erosão costeira. Desde 2009 que a cos

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20

Biejat, Katarzyna. "Morfodynamika wydm gwiaździstych w obszarach o bimodalnym reżimie wiatru." Doctoral thesis, 2016. https://depotuw.ceon.pl/handle/item/1394.

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Współczesna morfodynamika wydm, tj. zmienność ich kształtu i położenia, jest najczęściej analizowanym zagadnieniem w badaniach rozwoju akumulacyjnych form eolicznych. Ocena ich morfodynamiki polega na określeniu tempa przemieszczania się form, zmienności ich cech morfometrycznych oraz bilansu osadów. Mimo, iż badania akumulacyjnych form eolicznych prowadzone są od ponad stu lat, nieliczne prace poświęcone są kompleksowej analizie wydm gwiaździstych. Brak jak dotychczas wyników badań dotyczących zmienności ich morfodynamiki zarówno w skali sezonowej, jak i długookresowej. Głównym celem rozprawy

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