Academic literature on the topic 'Underground areas. Gravity Geophysics'

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Journal articles on the topic "Underground areas. Gravity Geophysics"

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Al-Zoubi, A., L. Eppelbaum, A. Abueladas, M. Ezersky, and E. Akkawi. "Removing Regional Trends in Microgravity in Complex Environments: Testing on 3D Model and Field Investigations in the Eastern Dead Sea Coast (Jordan)." International Journal of Geophysics 2013 (2013): 1–13. http://dx.doi.org/10.1155/2013/341797.

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Microgravity investigations are now recognized as a powerful tool for subsurface imaging and especially for the localization of underground karsts. However numerous natural (geological), technical, and environmental factors interfere with microgravity survey processing and interpretation. One of natural factors that causes the most disturbance in complex geological environments is the influence of regional trends. In the Dead Sea coastal areas the influence of regional trends can exceed residual gravity effects by some tenfold. Many widely applied methods are unable to remove regional trends w
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Brimich, Ladislav, María Charco, Igor Kohút, and José Fernández. "3D analytical and numerical modelling of the regional topography influence on the surface deformation due to underground heat source." Contributions to Geophysics and Geodesy 41, no. 3 (2011): 251–65. http://dx.doi.org/10.2478/v10126-011-0010-3.

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3D analytical and numerical modelling of the regional topography influence on the surface deformation due to underground heat source Thermo-elastic strains and stresses play a considerable role in the stress state of the lithosphere and its dynamics, especially at pronounced positive geothermal anomalies. Topography has a significant effect on ground deformation. In this paper we describe two methods for including the topographic effects in the thermo-viscoelastic model. First we use an approximate methodology which assumes that the main effect of the topography is due to distance from the sou
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Carpenter, Chris. "Machine-Learning Method Determines Salt Structures From Gravity Data." Journal of Petroleum Technology 73, no. 02 (2021): 70–71. http://dx.doi.org/10.2118/0221-0070-jpt.

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This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 201424, “Machine-Learning Method To Determine Salt Structures From Gravity Data,” by Jie Chen, Cara Schiek-Stewart, and Ligang Lu, Shell, et al., prepared for the 2020 SPE Annual Technical Conference and Exhibition, originally scheduled to be held in Denver, 5-7 October. The paper has not been peer reviewed. In the complete paper, the authors develop a machine-learning (ML) method to determine salt structures directly from gravity data. Based on a U-net deep neural network, the method maps the grav
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Zhang, Weimin, Sung Youn, and Quang T. Doan. "Understanding Reservoir Architectures and Steam-Chamber Growth at Christina Lake, Alberta, by Using 4D Seismic and Crosswell Seismic Imaging." SPE Reservoir Evaluation & Engineering 10, no. 05 (2007): 446–52. http://dx.doi.org/10.2118/97808-pa.

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Summary EnCana Corporation's Christina Lake Thermal Pilot Project located 170 km south of Fort McMurray, Alberta, Canada, uses steam-assisted gravity drainage (SAGD) technology to recover bitumen from the Lower Cretaceous McMurray formation. This paper presents an analysis of time-lapse and crosswell seismic data, as part of an overall study integrating different disciplines and technologies, to understand the effects of geology on SAGD-process performance in the pilot area. A 3D baseline survey was conducted at the start of the pilot in 2001, and two follow up surveys were conducted in 2004 a
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CASTEN, U., and CHR GRAM. "RECENT DEVELOPMENTS IN UNDERGROUND GRAVITY SURVEYS1." Geophysical Prospecting 37, no. 1 (1989): 73–90. http://dx.doi.org/10.1111/j.1365-2478.1989.tb01822.x.

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Lakshmanan, J. "The generalized gravity anomaly: Endoscopic microgravity." GEOPHYSICS 56, no. 5 (1991): 712–23. http://dx.doi.org/10.1190/1.1443090.

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Various underground 3-D gravity surveys have necessitated a generalization of the usual gravity corrections and of the Bouguer anomaly. The method presented here compares raw, time‐dependent gravity measurements, to a model’s total theoretical field, including known fields: moon, sun, 1967 Reference Ellipsoid, oceans; partially known fields: due to a single digital terrain model of known geometry but of unknown densities; and unknown fields due to underground structures of unknown shapes and of unknown densities. For a single‐density model, the corresponding first‐degree residual is close in c
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Steinhauser, P., B. Meurers, and D. Ruess. "Gravity Investigations in Mountainous Areas." Exploration Geophysics 21, no. 3-4 (1990): 161–68. http://dx.doi.org/10.1071/eg990161.

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Imanishi, Y., K. Kokubo, and H. Tatehata. "Effect of underground water on gravity observation at Matsushiro, Japan." Journal of Geodynamics 41, no. 1-3 (2006): 221–26. http://dx.doi.org/10.1016/j.jog.2005.08.031.

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Steinhauser, P., B. Meurers, and D. Ruess. "Discussion on: “Gravity Investigation in Mountainous Areas”." Exploration Geophysics 25, no. 1 (1994): 57–59. http://dx.doi.org/10.1071/eg994057.

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Edwards, A. J., J. T. Maki, and D. G. Peterson. "Gravity Gradiometry as a Tool for Underground Facility Detection." Journal of Environmental and Engineering Geophysics 2, no. 2 (1997): 137–42. http://dx.doi.org/10.4133/jeeg2.2.137.

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Dissertations / Theses on the topic "Underground areas. Gravity Geophysics"

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Loke, Hing-wa. "Use of micro-gravity technique to detect underground cavities /." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22285246.

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Loke, Hing-wa, and 陸慶華. "Use of micro-gravity technique to detect underground cavities." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B30426339.

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Books on the topic "Underground areas. Gravity Geophysics"

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Lowrie, William. Geophysics: A Very Short Introduction. Oxford University Press, 2018. http://dx.doi.org/10.1093/actrade/9780198792956.001.0001.

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Geophysics is the physics of the Earth. It encompasses areas such as seismology, plate tectonics, gravity, and the Earth’s magnetic field, all of which give clues to both the structure and the working of the Earth. Geophysics: A Very Short Introduction describes the internal and external processes that affect the planet, as well as the techniques used by geophysicists to investigate them. It explains how analysis of the seismic waves produced in earthquakes reveals the Earth’s internal structure, and tells how heat is transported through its interior. Chapters describe how satellite missions m
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Book chapters on the topic "Underground areas. Gravity Geophysics"

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Caputo, Michele. "Gravity Surveys at Sea by the Institute of Geophysics At Ucla." In Gravity Anomalies: Unsurveyed Areas. American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm009p0023.

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Conference papers on the topic "Underground areas. Gravity Geophysics"

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Slepak, Zakhar. "GEOPHYSICAL MONITORING: NEW OPPORTUNITIES TO PRESERVE ARCHITECTURAL MONUMENTS AND GREEN DESIGN IN URBAN AREAS." In GEOLINKS International Conference. SAIMA Consult Ltd, 2020. http://dx.doi.org/10.32008/geolinks2020/b2/v2/30.

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A new geophysical prospecting technique developed by the author was effectively applied for these purposes in 1994–2005 within the architectural complex of the Kazan Kremlin, a UNESCO World Heritage Site. The author has developed and successfully employed a unique gravity monitoring technique consisting in independent measurements at set points and at certain time intervals in the architectural complex of the Kazan Kremlin. The results of the geophysical monitoring and geodetic surveys conducted in open areas and inside architectural monuments offer new opportunities in preserving ancient buil
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Novikova, P., and A. Dolgal. "Engineering Magnetic Survey for the Study of Underground Infrastructure of Urbanized Areas." In 25th European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201903467.

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Novikova, P. N., and A. S. Dolgal. "Engineering Magnetic Survey for the Study of Underground Infrastructure of Urbanized Areas." In Engineering and Mining Geophysics 2019 15th Conference and Exhibition. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201901718.

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Martinez-Pagan, P., R. M. Rosales, and A. Faz. "Detecting Underground Storage Tanks and Contaminated Areas in Petrol Stations by using 2D ERT." In Near Surface Geoscience 2012 – 18th European Meeting of Environmental and Engineering Geophysics. EAGE Publications BV, 2012. http://dx.doi.org/10.3997/2214-4609.20143483.

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René, R. M. "Gravity Inversion Using a “Shape‐of‐Anomaly” Method: Developments in Three‐Dimensional Modeling and Application to Gravity Over an Abandoned Underground Limestone Mine in Southeastern Indiana." In Symposium on the Application of Geophysics to Engineering and Environmental Problems 1997. Environment and Engineering Geophysical Society, 1997. http://dx.doi.org/10.4133/1.2922431.

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René, R. M. "Gravity Inversion Using A “Shape-Of-Anomaly” Mfxhod: Developments In Three-Dimensional Modeling And Application To Gravity Over An Abandoned Underground Limestone Mlne In Southeastern Indiana." In 10th EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems. European Association of Geoscientists & Engineers, 1997. http://dx.doi.org/10.3997/2214-4609-pdb.204.1997_057.

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Lapenna*, Vincenzo. "CLoud plAtform and smart underground imaging for natural risk assessment in urban areas: The Clara project." In SEG 2019 Workshop: Geophysics for Smart City Development, Beijing, China, 29-31 July 2019. Society of Exploration Geophysicists, 2019. http://dx.doi.org/10.1190/smct-2019-15.1.

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Starovoytov, A. V. "Gravity Processes in Water Areas are One of The Main Factors Affecting The Safety of Production Operations on The Shelf and on The Continental Slope." In Engineering and Mining Geophysics 2021. European Association of Geoscientists & Engineers, 2021. http://dx.doi.org/10.3997/2214-4609.202152200.

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Slusarczyk, R., and J. Dec. "Evaluation of the Danger of Ground Surface Damage in Mining Areas Based on Migrating Cavities Effect in Seismic and Gravity Surveys." In Near Surface 2005 - 11th European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists & Engineers, 2005. http://dx.doi.org/10.3997/2214-4609-pdb.13.p066.

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Sindoni, Giampiero, Claudio Paris, Cristian Vendittozzi, Erricos C. Pavlis, Ignazio Ciufolini, and Antonio Paolozzi. "The Contribution of LARES to Global Climate Change Studies With Geodetic Satellites." In ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/smasis2015-8924.

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Satellite Laser Ranging (SLR) makes an important contribution to Earth science providing the most accurate measurement of the long-wavelength components of Earth’s gravity field, including their temporal variations. Furthermore, SLR data along with those from the other three geometric space techniques, Very Long Baseline Interferometry (VLBI), Global Navigation Satellite Systems (GNSS) and DORIS, generate and maintain the International Terrestrial Reference Frame (ITRF) that is used as a reference by all Earth Observing systems and beyond. As a result we obtain accurate station positions and l
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