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Relevant bibliographies by topics / Physical geodesy / Dissertations / Theses

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Dissertations / Theses on the topic 'Physical geodesy'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Costea, Adrian [Verfasser]. "Mathematical modelling and numerical simulations in physical geodesy / Adrian Costea." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2012. http://d-nb.info/1026933242/34.

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2

Nozaki, Kyozo. "Generalization of the Bouguer anomaly and its perspectives to the physical geodesy." 京都大学 (Kyoto University), 2006. http://hdl.handle.net/2433/144126.

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3

Kohlhaas, Annika [Verfasser]. "Multiscale Methods on Regular Surfaces and Their Application to Physical Geodesy / Annika Kohlhaas." München : Verlag Dr. Hut, 2010. http://d-nb.info/1002327156/34.

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4

Prasad, Shivangi. "An examination of hurricane vulnerability of the U.S. northeast and mid-Atlantic region." Thesis, Florida Atlantic University, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3571436.

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<p> Northeastern and mid-Atlantic United States are understudied from the perspective of hurricane vulnerability. In an attempt to fill this gap in research, this dissertation attempted to assess the hurricane vulnerability of the northeastern and mid-Atlantic United States through the construction of a Composite Hurricane Vulnerability Index (CHVI) for 184 counties extending from Maine to Virginia. The CHVI was computed by incorporating indicators of human vulnerability and physical exposure. Human vulnerability was derived from demographic, social and economic characteristics whereas physica

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5

McPherson, Rachel. "Walking with Lucy| Modeling Mobility Patterns of Australopithecus afarensis Using GIS." Thesis, University of Colorado at Denver, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10750014.

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<p> Behavior is perhaps the most challenging component of an extinct organism to reconstruct and understand. Often in paleoanthropology, researchers primarily have fossils and paleoecological data; however, combining these into models of hominin behavior is difficult in practice. Yet for years archaeologists and wildlife biologists have been using Geographic Information Systems (GIS) to model the mobility behavior of humans and other animals. This research seeks to integrate the methodology of cost-distance modeling in GIS into paleoanthropology to understand hominin mobility, specifically inv

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6

Lobianco, Maria Cristina Barboza. "Determinação das alturas do geóide no Brasil." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/3/3138/tde-21022006-162205/.

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Em função da rapidez e precisão na obtenção de coordenadas, o Global Positioning System (GPS) revolucionou o posicionamento espacial. Entretanto, a maior necessidade em aplicações nas áreas de Geodésia, Geofísica e Engenharia, em termos de altitude, é voltada para a altitude ortométrica e não para a elipsoidal (determinada por GPS). Um modelo de ondulação geoidal mais acurado possibilitaria tranformar altitudes elipsoidais em ortométricas, mantendo o mesmo nível de precisão da determinação GPS. Neste trabalho foram gerados modelos geoidais gravimétricos para o Brasil, GEOIDE2005 e STOKES2005,

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7

Amante, Christopher Joseph. "Consideration of Elevation Uncertainty in Coastal Flood Models." Thesis, University of Colorado at Boulder, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10844867.

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<p> Digital elevation models (DEMs) are critical components of coastal flood models. Both present-day storm surge models and future flood risk models require these representations of the Earth’s elevation surface to delineate potentially flooded areas. The National Oceanic and Atmospheric Administration (NOAA) National Centers for Environmental Information (NCEI) develops DEMs for United States’ coastal communities by seamlessly integrating bathymetric and topographic data sets of disparate age, quality, and measurement density. A current limitation of the NOAA NCEI DEMs is the acc

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8

Ruby, Caitlin A. "Application of Coastal and Marine Ecological Classification Standard (CMECS) to Remotely Operated Vehicle (Rov) Video Data for Enhanced Geospatial Analysis of Deep Sea Environments." Thesis, Mississippi State University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10268275.

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<p> The Coastal and Marine Ecological Classification Standard (CMECS) provides a comprehensive framework of common terminology for organizing physical, chemical, biological, and geological information about marine ecosystems. Federally endorsed as a dynamic content standard, all federally funded data must be compliant by 2018; however, applying CMECS to deep sea datasets and underwater video have not been extensively examined. The presented research demonstrates the extent to which CMECS can be applied to deep sea benthic habitats, assesses the feasibility of applying CMECS to remotely operate

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9

Ryttberg, Mattias. "Introducing Lantmäteriet’s gravity data in ArcGIS with implementation of customized GIS functions." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-203137.

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Gravity is measured and used by Lantmäteriet to calculate a model of the geoid to get accurate reference heights for positioning. Lantmäteriet are continuously measuring new gravity and height data across Sweden to both complement, replace and to add new data points. This is mainly done by measurements in the field at benchmark points. One of the major reasons for continued measurements on e.g. benchmark points is that the measuring always moves forward which makes the measurements more accurate. More accurate data leads to a more accurate calculation of the geoid due to the more accurate grav

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10

Robinson, James. "The geodesic acoustic mode in strongly-shaped tight aspect ratio tokamaks." Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/57618/.

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This thesis presents comparison between experimental measurements from the spherical tokamak MAST, two-fluid simulation data and theory of the Geodesic Acoustic Mode (GAM) in tight aspect ratio strongly shaped tokamak plasmas. The first identification of a strong ~10kHz mode detected in both potential and density fluctuations of the edge plasma in MAST using a reciprocating probe is given. The mode is radially localised, with outer limit ~ 2cm inside the separatrix, and is affected on application of resonant magnetic perturbations (RMP) generated by external coils. A shift in frequency with pl

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11

Newsome, Ian M. "GEODESIC STRUCTURE IN SCHWARZSCHILD GEOMETRY WITH EXTENSIONS IN HIGHER DIMENSIONAL SPACETIMES." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5414.

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From Birkoff's theorem, the geometry in four spacetime dimensions outside a spherically symmetric and static, gravitating source must be given by the Schwarzschild metric. This metric therefore satisfies the Einstein vacuum equations. If the mass which gives rise to the Schwarzschild spacetime geometry is concentrated within a radius of r=2M, a black hole will form. Non-accelerating particles (freely falling) traveling through this geometry will do so along parametrized curves called geodesics, which are curved space generalizations of straight paths. These geodesics can be found by solving th

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12

Edmonds, Bartlett Douglas Jr. "Approaching the Singularity in Gowdy Universes." VCU Scholars Compass, 2006. http://scholarscompass.vcu.edu/etd/1083.

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It has been shown that the cosmic censorship conjecture holds for polarized Gowdy spacetimes. In the more general, unpolarized case, however, the question remains open. It is known that cylindrically symmetric dust can collapse to form a naked singularity. Since Gowdy universes comprise gravitational waves that are locally cylindrically symmetric, perhaps these waves can collapse onto a symmetry axis and create a naked singularity. It is known that in the case of cylindrical symmetry, event horizons will not form under gravitational collapse, so the formation of a singularity on the symmetry a

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13

Simon, Patrick. "Investigation of geodesic acoustic mode flow oscillations using Doppler reflectometry in ASDEX Upgrade." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0076/document.

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La fusion par confinement magnétique est prometteuse en tant que future source d’énergie. Son efficience est cependant limitée par le transport de particules et de chaleur résultant de la turbulence du plasma. Une compréhension approfondie de la turbulence et des mécanismes qui la tempère est donc nécessaire. Le mode géo-acoustique (GAM) est une oscillation de l’écoulement du plasma, radialement localisée, qui contribue à la réduction du transport turbulent en cisaillant le champ de vitesse. Dans cette thèse on étudie le comportement fondamental du GAM par une étude expérimentale systématique

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14

Geyer, Marisa. "Geodesics and resonances of the Manko-Novikov spacetime." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80306.

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Thesis (MSc)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: In this thesis I study compact objects described by the Manko-Novikov spacetime. The Manko- Novikov spacetime is an exact solution to the Einstein Field Equations that allows objects to be black hole-like, but with a multipole structure di erent from Kerr black holes. The aim of the research is to investigate whether we will observationally be able to tell these bumpy black holes, if they exist, apart from traditional Kerr black holes. I explore the geodesic motion of a test probe in the Manko-Novikov spacetime. I quantify

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15

Rogister, Yves. "Modes normaux de modèles de Terre en rotation." Habilitation à diriger des recherches, Université de Strasbourg, 2012. http://tel.archives-ouvertes.fr/tel-00773648.

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The normal-mode spectrum of rotating Earth models is made up of the seismic modes, the rotational modes and the spectrum of the liquid core. The local equations for the infinitesimal elastic-gravitational deformation, based on a Lagrangian perturbation of a spherically-averaged Earth model using the theory of hydrostatic equilibrium, are first established. A comparison is made between this approach and the classical global angular momentum approach to Earth rotation variations. The splitting of the seismic modes by rotation and ellipticity is then computed. Numerical investigation also shows t

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16

Blagouchine, Iaroslav. "Modélisation et analyse de la parole : Contrôle d’un robot parlant via un modèle interne optimal basé sur les réseaux de neurones artificiels. Outils statistiques en analyse de la parole." Thesis, Aix-Marseille 2, 2010. http://www.theses.fr/2010AIX26666.

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Cette thèse de doctorat traite les aspects de la modélisation et de l'analyse de la parole, regroupés sous le chapeau commun de la qualité. Le premier aspect est représenté par le développement d'un modèle interne de contrôle de la production de la parole ; le deuxième, par le développement des outils pour son analyse. Un modèle interne optimal sous contraintes est proposé pour le contrôle d'un robot parlant, basé sur l'hypothèse du point d'équilibre (EPH, modèle-lambda). Ce modèle interne se repose sur le principe suivant : les mouvements du robot sont produits de telle façon que la longueur

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17

Lemaux, James Wilmer II. "The motion between Nubia and Somalia from magnetic anomaly and fracture zone crossings flanking the Southwest Indian Ridge." Thesis, 2000. http://hdl.handle.net/1911/17355.

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Previous reconstructions for anomaly 5 and older anomalies flanking the Southwest Indian Ridge (SWIR) have indicated no statistically significant evidence for motion between the Nubian and Somalian plates. Recently, an analysis of current plate motion across the SWIR indicates significantly different Nubia-Antarctica and Somalia-Antarctica angular velocities. Herein the motion across the SWIR is examined since chron 5 (11 Ma) and chron 6 (20 Ma). I identify 238 Anomaly 5 crossings, 140 Anomaly 6 crossings, and many fracture zone crossings. The new results show that the Nubia-Antarctica and Som

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18

"Evaluating the Effectiveness of Tree Locations and Arrangements for Improving Urban Thermal Environment." Doctoral diss., 2017. http://hdl.handle.net/2286/R.I.45936.

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abstract: Trees serve as a natural umbrella to mitigate insolation absorbed by features of the urban environment, especially building structures and pavements. For a desert community, trees are a particularly valuable asset because they contribute to energy conservation efforts, improve home values, allow for cost savings, and promote enhanced health and well-being. The main obstacle in creating a sustainable urban community in a desert city with trees is the scarceness and cost of irrigation water. Thus, strategically located and arranged desert trees with the fewest tree numbers possible pot

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19

Nolan, Clifford Joseph. "Global analysis of linearized inversion for the acoustic wave equation." Thesis, 1997. http://hdl.handle.net/1911/19192.

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To predict the location of natural resources and reduce the cost of exploration, geophysicists rely on various techniques to map the internal structure of the earth. One common mapping method probes the earth's interior using an acoustic energy source (sound waves). The acoustic waves reflect when they impinge on a location where the acoustic velocity field oscillates rapidly (on the scale of a wavelength). When the waves reflect back to the surface, they carry kinematical information about the location of the oscillatory velocity field. A linearized wave equation models the scattering process

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20

Grangeiro, Souza Barbosa Lima Tiago Aecio. "Geodesic paths and topological charges in quantum systems." Thesis, 2016. https://hdl.handle.net/2144/19745.

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This dissertation focuses on one question: how should one drive an experimentally prepared state of a generic quantum system into a different target-state, simultaneously minimizing energy dissipation and maximizing the fidelity between the target and evolved-states? We develop optimal adiabatic driving protocols for general quantum systems, and show that these are geodesic paths. Geometric ideas have always played a fundamental role in the understanding and unification of physical phenomena, and the recent discovery of topological insulators has drawn great interest to topology from the f

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21

Nevin, Jennifer Margaret. "On the status of the geodesic law in general relativity." Thesis, 1998. http://hdl.handle.net/10413/4014.

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The geodesic law for test particles is one of the fundamental principles of general relativity and is extensively used. It is thought to be a consequence of the field laws but no rigorous proof exists. This thesis is concerned with a precise formulation of the geodesic law for test particles and with the extent of its validity. It will be shown to be true in certain cases but not in others. A rigorous version of the Infeld/Schild theorem is presented. Several explicit examples of both geodesic and non-geodesic motion of singularities are given. In the case of a test particle derived from a tes

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