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Dissertations / Theses on the topic 'Hydrographic survey'

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1

Sterling, David L. "A Comparison of Spatial Interpolation Techniques for Determining Shoaling Rates of the Atlantic Ocean Channel." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/35072.

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<p> The United States of Army Corp of Engineers (USACE) closely monitors the changing depths of navigation channels throughout the U.S. and Western Europe. The main issue with their surveying methodology is that the USACE surveys in linear cross sections, perpendicular to the channel direction. Depending on the channel length and width, these cross sections are spaced 100 - 400 feet apart, which produces large unmapped areas within each cross section of a survey. </p><p> Using a variety of spatial interpolation methods, depths of these unmapped areas were produced. The choice of spatial i
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2

Marreiros, Joao Paulo Ramalho. "Performance analysis of GPS attitude determination in a hydrographic survey launch." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ30020.pdf.

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3

Abdallah, Ashraf [Verfasser], and Volker [Akademischer Betreuer] Schwieger. "Precise point positioning for kinematic applications to improve hydrographic survey / Ashraf Abdallah ; Betreuer: Volker Schwieger." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2016. http://d-nb.info/1126645877/34.

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4

Izenson, Shawn M. "Application of the systems engineering approach to the conversion of ocean surveillance vessels into hydrographic survey, buoy tending, and general oceanography missions for the National Oceanic and Atmospheric Administration." Master's thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-04272010-020107/.

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5

Manley, Justin E. "High fidelity hydrographic surveys using and autonomous surface craft." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/50480.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1998.<br>Includes bibliographical references (leaves 92-94).<br>There is a vital need to update the hydrographic database of the United States. NOAA statistics show that with current survey technologies it will take nearly 40 years to update U.S. nautical charts. Hydrographic surveys require a careful record of depth, position, tide, and the motions of the survey platform. The U.S. Army Corps of Engineers is one highly regarded organization which performs hydrographic surveys. They impose a strict standard of acc
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6

Steed, Arnold F. "A heuristic search method of selecting range-range sites for hydrographic surveys." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/27078.

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7

Everard, Cyril. "The Isles of Scilly and the Channel Islands : "bench-mark" hydrographic and geodetic surveys 1689-1980." Thesis, Queen Mary, University of London, 2004. http://qmro.qmul.ac.uk/xmlui/handle/123456789/1838.

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The English Channel has been both a major maritime artery and a navigator's nightmare for many centuries. Two archipelagoes, the Isles of Scilly to the north and the Channel Islands to the south, have been and remain major hazards. The two archipelagos have long cartographic histories which have yet to be fully documented. The present study is, with two limited exceptions, confined to British official hydrographic surveys and more specifically to those that may be regarded as 'bench-mark' surveys , i. e. surveys that made significant advances in 44& charting the two archipelagoes. The study is
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8

Salisbury, Michael. "THE EFFECT OF TIDAL INLETS ON OPEN COAST STORM SURGE HYDROGRAPHS: A CASE STUDY OF HURRICANE IVAN (2004)." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3680.

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Florida's Department of Transportation requires design storm tide hydrographs for coastal waters surrounding tidal inlets along the coast of Florida. These hydrographs are used as open ocean boundary conditions for local bridge scour models. At present, very little information is available on the effect that tidal inlets have on these open coast storm tide hydrographs. Furthermore, current modeling practice enforces a single design hydrograph along the open coast boundary for bridge scour models. This thesis expands on these concepts and provides a more fundamental understanding on both of the
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9

Epps, Sarah A. "The Feasibility of Using Inherent Optical Properties and the Apparent Optical Property Remote Sensing Reflectance to Estimate Suspended Particulate Matter, Particularly for Use in Airborne Hydrographic Surveys." Thesis, The University of Southern Mississippi, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10845966.

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<p> Airborne hydrographic surveys are routinely used to create and update nautical charts around the world. This research is intended to assist in maximizing the utility of the data products made available from those surveys in accordance with the current survey&mdash;once, use&ndash;many&mdash;times initiatives. Specifically, this project evaluates the feasibility of using the data available airborne hydrographic systems that utilize bathymetric lasers and hyperspectral sensors to estimate the concentration of suspended particulate matter (SPM). SPM is sometimes also called suspended sediment
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10

Webb, Robert M. "Issues of Co-ordinate Collection Technologies for Rural Property Boundary Surveys in Queensland." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/4103/1/4103.pdf.

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The use of co-ordinates as a description of land boundaries and their limitations has been investigated given recent advances in GPS measurement technology and its proliferation in the surveying and mapping industry. While the use of coordinate information is in essence a representation of reality at a given point in time, it is shown that they can be used within a well-defined framework for summary purposes. The conceptual and operational elements of a measurement-based spatial information system are developed in order to determine if it could aid in the organisation of land boundary inform
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11

Scarfe, Bradley Edward. "Oceanographic Considerations for the Management and Protection of Surfing Breaks." The University of Waikato, 2008. http://hdl.handle.net/10289/2668.

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Although the physical characteristics of surfing breaks are well described in the literature, there is little specific research on surfing and coastal management. Such research is required because coastal engineering has had significant impacts to surfing breaks, both positive and negative. Strategic planning and environmental impact assessment methods, a central tenet of integrated coastal zone management (ICZM), are recommended by this thesis to maximise surfing amenities. The research reported here identifies key oceanographic considerations required for ICZM around surfing breaks including
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12

Lai, Cheng-Tsan, and 賴澄燦. "Development and Application of Automated Measurement System for Hydrographic Survey." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/mvgnex.

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博士<br>國立臺灣海洋大學<br>河海工程學系<br>107<br>For the issues of coastal and river management, the background information must include such as sand transport, nearshore flow field, depth and bathymetry of coastal area. In the past, regarding to personnel safety and working efficiency, the background information mostly are collected by long-term monitoring and numerical simulation methods. However, under present extreme weather conditions, it is a vital consideration of how to obtain and provide real-time information for the management department, and improve the safety level of coastal and river protectio
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13

Marsters, Roger Sidney. "Approaches to Empire: Hydrographic Knowledge and British State Activity in Northeastern North America, 1711-1783." 2012. http://hdl.handle.net/10222/15823.

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This dissertation studies the intersection of knowledge, culture, and power in contested coastal and estuarine space in eighteenth-century northeastern North America. It examines the interdependence of vernacular pilot knowledge and directed hydrographic survey, their integration into practices of warfare and governance, and roles in assimilating American space to metropolitan scientific and aesthetic discourses. It argues that the embodied skill and local knowledge of colonial and Aboriginal peoples served vital and underappreciated roles in Great Britain’s extension of overseas activity and
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14

Macedo, Adriano T. de. "La dimension humaine des enjeux environnementaux dans un bassin versant au Brésil." Thèse, 2010. http://hdl.handle.net/1866/10822.

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RÉSUMÉ La richesse en ressources naturelles est une source de développement économique et social, mais peut également constituer un facteur de dégradation environnementale et de problèmes pour la santé humaine. Les systèmes techniques de gestion des ressources naturelles ne sont pas suffisants pour apporter des solutions à tous les problèmes environnementaux. Mises à part les catastrophes naturelles, c'est l'intervention humaine qui cause la grande majorité des problèmes environnementaux. C'est pour comprendre cette dynamique entre les facteurs naturels et les facteurs économiques, sociaux, po
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15

Macari, Octavian. "Desenvolvimento de Métodos de Processamento de Levantamentos Hidrográficos Expeditos." Master's thesis, 2018. http://hdl.handle.net/10400.26/25099.

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O conhecimento do fundo marinho é um fator crucial para a segurança da navegação, assim como para as diversas atividades marítimas. O progresso da hidrografia tem mostrado novos horizontes trazendo diversos sistemas complexos que prometem resolver muitos dos desafios nesta área. Respetivamente à aquisição de dados batimétricos através de sondadores de feixe-simples, este trabalho surge da necessidade de colmatar os erros dependentes do fator humano, reduzir o tempo de processamento e melhorar a qualidade do mesmo. Para tal, são necessárias ferramentas computacionais que auxiliem a fase de pro
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