Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 104 for “"geodesy"”.
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Radio source mapping for precision geodesy
Thesis: M.S., Massachusetts Institute of Technology, Department of Earth and Planetary Science, 1982
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Precision geodesy and astrometry via very-long-baseline interferometry.
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1974. Ph.D.
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Enhanced satellite geodesy through the addition of a pseudorange observable
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1989.
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Quantifying The Properties Of Magmatic Intrusions In The Central Andes With Geodesy
Volcanism in convergent arcs is the end result of magma ascending to the Earth's surface. However, many of the details of the ascent process are still debated. In particular, how long does magma persist in reservoirs at particular depths? What is the timescale and physical mechanism of ascent …
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EASTERN BASIN AND RANGE CRUSTAL EXTENSION: A VIEW FROM SEISMOLOGY AND GEODESY
This dissertation investigates the crustal structure of the eastern Basin and Range Province in the western United States and its relationship with the present-day extensional regime governing this region. The use of combined results from different geophysical methods provide a better understanding …
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The Problem of the Earth's Figure: Measurement, Theory, and Evidence in Physical Geodesy
… of gravitation. Chapter 2 reconstructs how geodesy came to offer a decisive test of the interactive nature and compositionality of gravitation (c. 1740-1825). I retell how Pierre-Simon Laplace established that the Earth’s external attraction is the resultant force of the mutual attractions …
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Antenna axis offset and intersection determination using GPS
Modern geodesy utilises advanced space techniques such as VLBI to further the study of crustal motion as well as tidal and rotational deformations of the Earth. One of the parameters in the model used to determine the baseline length between VLBI stations, is the antenna axis offset. This offset is …
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Remote Sensing Big Data and Physical Models for Resilience to Geohazards in the Water-Energy Nexus
… systems and seismic hazards using satellite geodesy and geomechanical modeling. By integrating observations from Interferometric Synthetic Aperture Radar (InSAR), the Gravity Recovery and Climate Experiment (GRACE and GRACE-FO), and supporting datasets, I examine how water mass redistribution …
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Dynamic processes at submarine plate boundaries
… also examines methodological aspects of marine geodesy, focusing on the quantification of hydrographic variability in direct-path acoustic ranging data to evaluate its influence on the detectability of deformation signals and its potential application in hydrographic investigations.
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Deformation, erosion and sedimentation in collisional orogens : case studies from eastern Tibet and southwestern China
… estimates, remote sensing, seismicity and geodesy. Fault slip rates are inferred by modeling the elastic deformation near major faults and the motions of a small number of crustal blocks.
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Slip Estimation from Real-Time GPS in Cascadia
… GPS solutions are acquired from the CWU Geodesy Lab and filtered to detect offsets. Any detected offsets are then inverted to determine slip along the relevant faults. The moment and moment magnitude are calculated based on the estimated slip. The final solutions, detected offsets, …
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Aerodynamic and Thermal Considerations for an Antarctic Ice Penetrator
… a Global Navigation Satellite System (GNSS) and geodesy-grade seismometer to the Ross Ice Shelf (RIS) in Antarctica such that the seismometer becomes buried 2 m deep in the ice, ensuring coupling with the ice shelf. This vehicle provides a means to obtain data informative of ocean-atmosphere-ice …
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Autocorrelation Analysis of the Seismic Data Recorded on Mars
… Exploration Using Seismic Investigations, Geodesy and Heat Transport) lander carried one seismic station to Mars at the end of 2018, providing the opportunity to investigate the internal structure of Mars. As only one station is deployed on Mars to record seismic vibrations, some …
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The relevance of non-legal technical and scientific concepts in the interpretation and application of the law of the sea : an analysis of the United Nations convention on the law of the sea
… marine geology, geography, surveying, and geodesy.2 The intention is therefore to analyse the possible interpretation, application and consequences of the implementation of Articles in LOSC, and more particularly in a Southern African context. Provisions of LOSC, where technical and …
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Global investigation of large earthquakes using InSAR and long-period seismic data
… motivated the development of a new seismo-geodesy joint source inversion technique that takes into account the effects of 3-D Earth structure when modelling the seismic data. It is tested on three synthetic events with different faulting mechanisms and for three real earthquakes in various …
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The relevance of non-legal technical and scientific concepts in the interpretation and application of the law of the sea
… marine geology, geography, surveying, and geodesy. The intention is therefore to analyse the possible interpretation, application and consequences of the implementation of Articles in LOSC, and more particularly in a Southern African context. Provisions of LOSC, where technical and …
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Enlaces geodésicos intercontinentales : investigación sobre los enlaces occidentales Europa-África
… gravimetría, geodinámica, etc... The Geodesy, as a science in charge of determining the Earth’s form, has always been linked to the civil engineering. This bond charges even more importance when it is about communicating territories among neighbouring continents, like it is the case of …
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The effect of water storages on temporal gravity measurements and the benefits for hydrology
Temporal gravimeter observations, used in geodesy and geophysics to study variation of the Earth’s gravity field, are influenced by local water storage changes (WSC) and – from this perspective – add noise to the gravimeter signal records. At the same time, the part of the gravity signal caused by …
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Present-day and late Quaternary crustal deformation along the southern Dead Sea Fault System, Jordan
… along the southern Dead Sea fault using tectonic geodesy and late Quaternary slip estimates. The Dead Sea fault is the left-lateral transform bounding the Arabia and Sinai plates in the eastern Mediterranean region. Two main segments comprise the southern DSF: the Wadi Araba and Jordan Valley …
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