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Dissertations / Theses on the topic 'Coastal structure'

Author: Grafiati

Published: 7 September 2021

Last updated: 29 July 2025

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1

Murphy, Robert F. "Fish assemblage structure in Maryland's coastal lagoon complex." College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/3007.

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Thesis (M.S.) -- University of Maryland, College Park, 2005.<br>Thesis research directed by: Marine, Estuarine, Environmental Sciences Graduate Program. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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2

Sherren, S. J. "Migration and genetic structure among North Yorkshire coastal populations." Thesis, Durham University, 1987. http://etheses.dur.ac.uk/7100/.

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The purpose of this thesis was to examine the genetic structure of the North Yorkshire coast, comparing the traditionally insular fishing settlements to the surrounding rural populace. Specifically it was thought that the fishing villages might approximate the conditions of the stepping-stone model, which could then be tried and tested, and compared to alternative predictions of kinship from isonymy, Male-cot's migration matrix, and isolation by distance. The results showed that the fishing communities were highly endemic; high values of kinship were obtained and were in the order of those giv

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3

Lashteh, Neshaei Mir Ahmad. "Beach profile evolution in front of a partially reflective structure." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299074.

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4

Hinojosa-Garro, DemiaÌn. "Water quality and community structure in coastal grazing marsh ditches." Thesis, University of Essex, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.402941.

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5

Preheim, Sarah Pacocha. "Ecology and population structure of vibrionaceae in the coastal ocean." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/58184.

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Thesis (Ph.D.)--Joint Program in Oceanography (Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering; and the Woods Hole Oceanographic Institution), 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Extensive genetic diversity has been discovered in the microbial world, yet mechanisms that shape and maintain this diversity remain poorly understood. This thesis investigates to what extent populations of the gamma-proteobacterial family, Vibrionaceae, are ecologically specialized by investigating the distribution across a wide

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6

Siddorn, Philip David. "Efficient numerical modelling of wave-structure interaction." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:de36bd2f-cd23-4f11-b67f-9d8cd48ecd3c.

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Offshore structures are required to survive in extreme wave environments. Historically, the design of these offshore structures and vessels has relied on wave-tank experiments and linear theory. Today, with advances in computing power, it is becoming feasible to supplement these methods of analysis with fully nonlinear numerical simulation. This thesis is concerned with the development of an efficient method to perform this numerical modelling, in the context of potential flow theory. The interaction of a steep ocean wave with a floating body involves a moving free surface and a wide range of

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7

Simsek, Kemal Cihan. "A Model Study On The Stability Of Rubble Mound Coastal Defense Structure." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613860/index.pdf.

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Coastal regions are very important because they provide a lot of resources and benefits for all the humankind. Coastal defense structures protect coastal regions from wave attacks. However, the cost of construction such coastal defense structures are very high and need big investments. Hence, to reach the optimum design and minimize the risk of failure has vital importance during the design stage of these structures. Model studies are the most effective tool in optimizing the design of these structures. Rubble mound coastal defense structures were constructed with assembly of different sizes o

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8

Morgan, Gerald C. J. "Application of the interfoam VoF code to coastal wave/structure interaction." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.589650.

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The validation of the “interFoam” CFD model (part of the OpenFOAM) CFD library is described for a number of wave/structure interaction problems. The background to the research is described, including the reasons for the selection of a new, previously unvalidated CFD code for this purpose. The numerical aspects of the code are briefly reviewed as are some of its additional features including the simulation of porous media. The new wave-generating boundary condition, created as part of this project, is described. The model is validated for the propagation of waves, including violent, breaking wa

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9

Árnason, Halldór. "Interactions between an incident bore and a free-standing coastal structure /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/10153.

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10

Baer, Nicholas Arthur. "Macroinvertebrate community structure and ecological function in Maryland coastal plain streams." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/1733.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2004<br>Thesis research directed by: Marine-Estuarine-Environmental Sciences. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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11

Owen, Erin Fisher. "Population Structure of the Sea Scallop, Placopecten magellanicus, in Coastal Maine." Fogler Library, University of Maine, 2008. http://www.library.umaine.edu/theses/pdf/OwenEF2008.pdf.

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12

Cross, Patrick S. "The California coastal jet : synoptic controls and topographically induced mesoscale structure /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Mar%5FCross.phd.pdf.

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13

Wenburg, John Keim. "The Coastal cutthroat trout (Oncorhynchus clarki clarki) : genetic population structure, migration patterns, and life history traits /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/5291.

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14

Melito, Gian Marco. "Analysis, modelling and design of a groin as coastal protection structure at Lido di Dante, Ravenna." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14318/.

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An analysis and a subsequent solution is here presented. This document is about a groin design able to contrast the erosion actions given by waves in Lido di Dante. Advantages will be visible also for Fiumi Uniti's inlet, in the north side of the shoreline. Beach future progression and growth will be subjected to monitoring actions in the years after groin construction. The resulting effects of the design will have a positive impact not only on the local fauna and environment, but also, a naturalistic appeal will increase making new type of tourists coming not only for recreational purposes. T

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15

Badosa, i. Salvador Anna. "Limnological characteristics and zooplankton community structure of Mediterranean coastal lagoons undergoing restoration." Doctoral thesis, Universitat de Girona, 2007. http://hdl.handle.net/10803/7869.

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Entre 1999 i 2003 es va desenvolupar un projecte Life de restauració a la maresma de La Pletera, afectada per un pla urbanització, i a la llacuna del Ter Vell, amb un elevat grau d'eutròfia (aiguamolls del Baix Ter, NE Península Ibèrica). L'objectiu d'aquesta tesi és establir el funcionament d'ambdós ecosistemes, analitzar-ne la problemàtica ambiental i avaluar els efectes de la restauració. <br/>A la maresma de la Pletera, es va analitzar el paper de la hidrologia en la composició i dinàmica dels nutrients i del zooplàncton en cinc llacunes, tres de les quals havien estat creades dins el proj

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16

Crawford, Adam Randolph. "Measurement and analysis of wave loading on a full scale coastal structure." Thesis, University of Plymouth, 1999. http://hdl.handle.net/10026.1/837.

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The aim of this investigation was to measure and analyse wave loading on a full scale coastal structure in order to validate current breakwater design methods and to improve understanding of the physical processes involved. A range of new, robust field measurement instrumentation was developed and deployed at the chosen field site, the Alderney Breakwater in the Channel Islands. The instrumentation deployed in this particularly harsh wave loading environment included an array of wave loading pressure sensors together with co-located void fraction gauges, which were used to measure the percenta

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17

Sutherland, David A. (David Alan). "The East Greenland Coastal Current : its structure, variability, and large-scale impact." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/43156.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2008.<br>Includes bibliographical references (p. 155-161).<br>The subtidal circulation of the southeast Greenland shelf is described using a set of high resolution hydrographic and velocity transects occupied in summer 2004. The main feature present is the East Greenland Coastal Current (EGCC), a low-salinity, high velocity jet with a wedge-shaped hydrographic structure ch

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18

Wagner, Lauren M. "Population genetic structure of the temperate Scleractinian coral, Oculina arbuscula, in coastal Georgia." Click here to access thesis, 2006. http://www.georgiasouthern.edu/etd/archive/spring2006/lauren%5Fm%5Fwagner/wagner%5Flauren%5Fm%5F200601%5Fms.pdf.

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Thesis (M.S.)--Georgia Southern University, 2006.<br>"A thesis submitted to the Graduate Faculty of Georgia Southern University in partial fulfillment of the requirements for the degree Master of Science" ETD. Includes bibliographical references (p. 52-57) and appendices.

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19

Schulte, Nicholas O. "Controls on Benthic Microbial Community Structure and Assembly in a Karstic Coastal Wetland." FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/2447.

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The assembly mechanisms underlying microbial community abundance, biotic interactions, and diversity over space and time are unresolved, particularly in benthic microbial mats distributed along environmental gradients. Experimental enrichment of nutrient-limited microbial mats from the Florida Everglades along a nutrient subsidy-salinity stress gradient stimulated autotrophic and heterotrophic metabolism, growth, and diversity independent of autotroph-heterotroph interactions across treatments and space. These results suggest spatial segregation of autotrophic and heterotrophic components with

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20

Fujino, Shigehiro. "Structure and depositional processes of tsunami deposits in coastal and shallow marine settings." 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/136781.

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21

MANZO, CRISTINA. "Fish assemblages in three Mediterranean coastal lagoons: structure, functioning and spatial-temporal dynamics." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2010. http://hdl.handle.net/2108/1274.

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Questa ricerca, condotta nei Laboratori di Ecologia Sperimentale dell’Università di Tor Vergata, ha avuto come scopo quello di contribuire alla conoscenza della struttura e delle dinamiche degli assemblage ittici di tre lagune dell’Italia centro-meridionale, la laguna di Lesina (Puglia) e i laghi costieri di Fogliano e Caprolace (Lazio). In ognuno degli ambienti lagunari, per un anno, sono stati compiuti campionamenti mensili della fauna ittica, utilizzando una trattina manuale con maglia di 2 mm. Le stazioni di campionamento sono state scelte tenendo conto principalmente della distanza dai c

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22

Pringgana, Gede. "Improving resilience of coastal structures subject to tsunami-like waves." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/improving-resilience-of-coastal-structures-subject-to-tsunamilike-waves(7fd556e2-0202-48ea-a8bf-39582f9c4c7b).html.

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This thesis investigates tsunami impact on shore-based, low-rise structures in coastal areas. The aims are to investigate tsunami wave inundation in built-up coastal areas with reference to structural response to wave inundation, to assess the performance of current design codes in comparison with validated state-of-the-art numerical models and to improve structural design of residential buildings in tsunami risk areas. Tsunami events over the past few decades have shown that a significant proportion of fatalities can be attributed to the collapse of building infrastructure due to various acti

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23

Grice, James Robert. "Prediction of extreme wave-structure interactions for multi-columned structures in deep water." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:dd7320c1-7121-4ea7-827f-527af9405e9a.

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With a continuing and rising demand for hydrocarbons, the energy companies are installing infrastructure ever further offshore, where such infrastructure is often exposed to extreme waves. This thesis explores some aspects of wave-structure interaction, particularly the maximum water surface elevation increase in severe storms due to these local interactions. The effects on wave-structure interactions of column cross-sectional shape are investigated using linear and second-order wave diffraction theory. For multi-column structures, the excitation of locally resonant wave modes (near-trapping)

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24

Sanders, Richard. "Some effects of nutrient load on the structure and functioning of pelagic coastal ecosystems." Thesis, University of East Anglia, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327411.

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25

Ott, Theresia. "The response of biological communities to spatial and temporal changes in a regenerating coastal dune forest along the north-east coast of South Africa." Thesis, University of Pretoria, 2013. http://hdl.handle.net/2263/26029.

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Ecological restoration that aims to reinstate indigenous processes may be constrained by regional and local conditions, especially those that drive dispersal and colonisation. Local conditions can be managed, while regional conditions cannot. The management of costly rehabilitation programmes is considered best practice when scientifically informed. My thesis documents the responses of biological communities to a range of local conditions developing in coastal dune habitats in response to ecological restoration. Here, landscape-level (spatial structure of patches of tree canopies) local condit

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26

Asyikin, Muhammad Tedy. "CFD Simulation of Vortex Induced Vibration of a Cylindrical Structure." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18814.

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This thesis presents the investigation of the flow characteristic and vortex induced vibration (VIV) of a cylindrical structure due to the incompressible laminar and turbulent flow at Reynolds number 40, 100, 200 and 1000. The simulations were performed by solving the steady and transient (unsteady) 2D Navier-Stokes equation. For Reynolds number 40, the simulations were set as a steady and laminar flow and the SIMPLE and QUICK were used as the pressure-velocity coupling scheme and momentum spatial discretization respectively. Moreover, the transient turbulent flow was set for Re 100, 200 and 1

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27

Yu, Bo. "Surface Mean Flow and Turbulence Structure in Tropical Cyclone Winds." FIU Digital Commons, 2007. http://digitalcommons.fiu.edu/etd/25.

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Hurricanes are one of the deadliest and costliest natural hazards affecting the Gulf coast and Atlantic coast areas of the United States. An effective way to minimize hurricane damage is to strengthen structures and buildings. The investigation of surface level hurricane wind behavior and the resultant wind loads on structures is aimed at providing structural engineers with information on hurricane wind characteristics required for the design of safe structures. Information on mean wind profiles, gust factors, turbulence intensity, integral scale, and turbulence spectra and co-spectra is essen

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28

MacArthur, Lachlan D. "Landscape structure influences the abundance, size structure, movements and trophic linkages of the western rock lobster, Panulirus cygnus, in shallow coastal waters." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2009. https://ro.ecu.edu.au/theses/1861.

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Shallow marine landscapes can be viewed as mosaics of habitat patches. The spatial arrangement of habitat patches influences community structure within patches as well as processes linking patches, such as consumer-prey dynamics and movements, by altering the context within which species interact with each other and with their environment. The shallow (m) coastal waters along the lower west coast of Australia comprise a mosaic of limestone patch reefs and other benthic habitats (such as seagrass meadows, pavement reef and bare sand) and the resulting spatial patterns are known to influence sev

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29

Egnotovich, Michael Steven. "Eutrophication and coastal wetlands linking nutrient enrichment to tidal freshwater marsh ecosystem structure and function /." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3823.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2006.<br>Thesis research directed by: Marine-Estuarine-Environmental Sciences. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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30

Sarabia, Robin E. "Spatiotemporal Variation in Abundance and Social Structure of Bottlenose Dolphins in the Florida Coastal Everglades." FIU Digital Commons, 2012. http://digitalcommons.fiu.edu/etd/754.

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Bottlenose dolphins (Tursiops truncatus) are large-bodied predators that are locally abundant in the coastal Everglades. Because of their potential to exert strong top-down effects on their communities, it is important to understand how spatiotemporal variation in biotic and abiotic factors affects the abundance and behavior of dolphins. This study combined two years of transect surveys with photographic identification methods to assess spatiotemporal variation in the abundance and group sizes of bottlenose dolphins across four large regions of the coastal Everglades including the Shark and Ha

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31

Harsha, Senusi Mohamed. "Interpretation of Southern Georgia coastal plain velocity structure using refraction and wide-angle reflection methods." Thesis, Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/25886.

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32

Peng, Zhong. "Transformation of wave shape and spatial distribution of wave overtopping water over a coastal structure." Thesis, University of Plymouth, 2010. http://hdl.handle.net/10026.1/493.

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33

Wariyapola, Pubudu C. (Pubudu Chaminda) 1972. "Towards an ontology and metadata structure for a distributed information system for coastal zone management." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/80236.

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34

Park, Jung-Hwan. "Community Structure and Dynamics of Algicidal Bacteria in Association with Microalgal Blooms in Coastal Environments." Kyoto University, 2011. http://hdl.handle.net/2433/142573.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第16286号<br>農博第1886号<br>新制||農||992(附属図書館)<br>学位論文||H23||N4622(農学部図書室)<br>28895<br>京都大学大学院農学研究科応用生物科学専攻<br>(主査)教授澤山茂樹, 教授左子芳彦, 准教授吉田天士<br>学位規則第4条第1項該当

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35

Keymer, Daniel Paul. "A multiphasic study of patterns in diversity and structure within a coastal Vibrio cholerae population /." May be available electronically:, 2009. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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36

Bjørdalsbakke, Lise Kristin. "Population structure, parasitism and prey preference in Sclerocrangon boreas and S. ferox, Svalbard." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bioteknologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-15406.

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The aim of this study was to enhance the knowledge on ecological and life-history parameters of Sclerocrangon boreas and Sclerocrangon ferox in Svalbard waters, including sex ratio, population structure, parasitism and prey preference. Little research has been done on S. ferox before. It has been subject to unprecedented research in the present study, considering size distribution, prey preference and DNA barcoding. The barcoding result gave a genetic distance of 13.7 % between S. boreas and S. ferox. This study shows a clear difference in size distribution between males and females. Females a

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Mykyta, John L. "Prediction of the beamformed acoustic ray arrival structure for the 1992 Barents Sea coastal tomography test." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1993. http://handle.dtic.mil/100.2/ADA276741.

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Thesis (M.S. in Physical Oceanography) Naval Postgraduate School, December 1993.<br>Thesis advisor(s): Chiu, Ching-Sang ; Miller, James H. Cover title: Prediction of the plane wave beamformed acoustic arrival ... "December 1993." Bibliography: p. 36-37. Also available online.

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38

Eden, Derek. "Forces and Pressures on Core-Loc Armour Units in Rubble Mound Breakwaters Measured via Instrumented “Smart-Units”." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39058.

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Today, more than forty percent of the world’s population lives within 100 kilometers of a coastal area, and population densities are only increasing. In recent years, extreme conditions have resulted in several failures of coastal protection structures around the world. During these failure events, the incurred cost of damages and loss of life has been nearly immeasurable. Rubble mound breakwaters have been used for millennia, and are critical even today for the protection of coastal areas. In the last several decades, the popularity of using concrete armour units in place of natural rock ha

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Eloire, Damien. "Spatial and temporal patterns of plankton in European coastal waters : analysis and comparison of zooplankton time series." Thesis, Montpellier 2, 2010. http://www.theses.fr/2010MON20059.

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Le changement climatique est incontestable et affecte les océans. L'observation à long terme d'indicateurs comme le plancton peut permettre l'étude de ces changements. Le suivi du plancton dans les eaux côtières d'Europe représente une source de données importante actuellement sous-exploitée et sur laquelle cette étude est basée. Des outils analytiques ont d'abord été conçus pour résoudre des divergences taxonomiques entre les données et pour réaliser l'analyse temporelle. L'étude du plancton à L4 de 1998 à 2007 révèle de profonds changements dans la composition phytoplanctonique des blooms de

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Syaifullah, of Western Sydney Hawkesbury University, and Faculty of Science and Technology. "Genetic variation and population structure within the Gudgeon genus Hypseleotris (Pisces-Eleotridae) in Southeastern Australia." THESIS_FST_XXX_Syaifullah_X.xml, 1999. http://handle.uws.edu.au:8081/1959.7/231.

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This study investigated the causes of high level of intra-and inter-population variation known to occur in the morphology of fish in the genus Hypseleotris Eleotride in southern Australia, particularly within the Murray-Darling river system. The three major objectives of the study were, identify the number and distribution of species,determine the genetic structure of the populations and analyse relationships between species and consider the process of speciation in this species complex. The investigation of morphological variation in Hypseleotris confirmed the presence of two well known speci

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Cheah, Charmaine Yi Ting. "Development of a methodology to quantify installation damage on geotextile for coastal application." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/112464/1/Charmaine%20Yi%20Ting_Cheah_Thesis.pdf.

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This study was a step forward in enhancing the knowledge to quantify installation damage on geotextiles' properties for coastal protection structures. It examines the geotextiles' properties with the Drop Rock Test developed, which replicates construction stress on geotextile during installation process. The thesis investigated the influence of construction stress on geotextiles' robustness, mechanical strength, physical deformation, and filtration properties. The influence of subgrade characteristics (i.e moisture condition) on geotextiles' robustness during installation was examined in this

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42

Martin-Medina, Manuel. "Tsunami wave interaction with a coastal structure: : Focus on the Tohoku tsunami case and the flip-through impact." Thesis, Pau, 2017. http://www.theses.fr/2017PAUU3047/document.

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Lors du tsunami de Tohoku en 2011, des relevés de terrain sur les côtes japonaises ont montré la fragilité des structures côtières, où le plus grand brise-lames du monde (brise-lames de Kamaishi) a été fortement endommagé dû à cet événement. Dans ce doctorat, l'objectif est d'étudier l'interaction entre les brise-lames , les structures côtières les plus communes protégeant les zones urbaines et les entrées des ports, et les vagues, en particulier les tsunamis.Dans la première partie de ce travail, la transformation du tsunami en bore ondulaire dans les zones côtières est étudiée numériquement

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Tredick, Catherine Anne. "Population abundance and genetic structure of black bears in coastal North Carolina and Virginia using noninvasive genetic techniques." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/45222.

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The United States Fish and Wildlife Service (USFWS) expressed the need to develop appropriate management strategies for apparently high-density, growing black bear populations in the Roanoke-Neuse-Tar-Cape Fear ecosystem in coastal North Carolina and Virginia. In order to provide the scientific information necessary to develop these strategies, I investigated population densities and genetic structure of black bears at 3 national wildlife refuges [Great Dismal Swamp (GDSNWR), Pocosin Lakes (PLNWR), and Alligator River (ARNWR)]. Density estimates were derived from DNA samples collected noninv

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Colla, Silvia <1987&gt. "Structure and functioning of the Northern Adriatic coastal ecosystem, within the context of the Marine Strategy Framework implementation." Doctoral thesis, Università Ca' Foscari Venezia, 2016. http://hdl.handle.net/10579/10338.

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The Northern Adriatic Sea summarizes all different critical elements of a ‘typical’ coastal area, such: important trawling activity in the inshore area, presence of aquaculture activities (mussels farms), widely distributed along the coast, presence of small scale fisheries activities, seaside touristic pressures, extended seaport activities. Among these pressures the project aims to investigate acquaculture and small scale fisheries activities within three miles from the coast. This would provide a better understanding of major impact sources and an identification of the processes that need t

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Werring, John. "Fertilization of an oligotrophic coastal montane lake using high N:P ratio fertilizers : effects on phytoplankton and zooplankton community structure." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26201.

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Comparisons of the response of phytoplankton communities to different methods of nutrient addition used in past whole-lake fertilization studies, suggested that it might be possible to generate predictable changes in the phytoplankton and zooplankton communities of lakes by controlling the frequency, magnitude and N:P ratio of the autochthonous nutrient load. Results obtained by several workers in separate, but related, laboratory and small scale enclosure experiments supported this belief. The evidence strongly suggested that N:P ratios are important in determining the outcome of competitive

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Guo, Zhen. "Global Structure of the Mantle Transition Zone Discontinuities and Site Response Effects in the Atlantic and Gulf Coastal Plain." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/93346.

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This thesis focuses on two different topics in seismology: imaging the global structures of the mantle transition zone discontinuities and studying the site response effects in the Atlantic and Gulf Coastal Plain. Global structures of the mantle transition zone discontinuities provide important constraints on thermal structures and dynamic processes in the mid mantle. In this thesis, global topographic structures of the 410- and 660-km discontinuities are obtained from finite-frequency tomography of SS precursors. The finite-frequency sensitivities of SS waves and precursors are calculated bas

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Pappano, Phillip A. "Structure and regional tectonic setting across the Atlantic Coastal Plain of northeastern Virginia as interpreted from reflection seismic data." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09122009-040224/.

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Pinto, Maria Alice. "Temporal genetic structure of feral honey bees (Hymenoptera: Apidae) in a coastal prairie habitat of southern Texas: impact of Africanization." Texas A&M University, 2003. http://hdl.handle.net/1969.1/203.

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The goal of this study was to examine the impact of Africanization on the genetic structure of the Welder Wildlife Refuge feral honey bee population by scoring mtDNA and microsatellite polymorphisms. Adult honey bee workers, collected between 1991 and 2001, were screened for mtDNA using the cytochrome b/BglII, ls rRNA/EcoRI, and COI/HinfI PCR-based assays. The procedure allowed identification of four mitotypes: eastern European, western European, A. m. lamarckii, and A. m. scutellata. The relative frequencies of the four mitotypes changed radically during the 11-year period. Prior to immigra

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Redelstein, Regine [Verfasser], Christoph [Akademischer Betreuer] Leuschner, Christoph [Gutachter] Leuschner, and Gerhard [Gutachter] Zotz. "Root system structure and functions across coastal saltmarsh flooding gradients / Regine Redelstein ; Gutachter: Christoph Leuschner, Gerhard Zotz ; Betreuer: Christoph Leuschner." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2018. http://d-nb.info/1172970769/34.

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Heydenrych, Barry. "Utilization patterns in some indigenous coastal forest patches in the Transkei - the role of different management practices on forest structure." Thesis, University of Cape Town, 1992. http://hdl.handle.net/11427/26101.

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