Academic literature on the topic 'Gravity derivatives'

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Journal articles on the topic "Gravity derivatives"

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Zuhdi, Muhammad, Bakti Sukrisna, and Syamsuddin Syamsuddin. "IDENTIFICATION OF BURIED ARCHEOLOGICAL OBJECTS WITH RADIAL DERIVATIVES OF MICRO GRAVITY DATA." Indonesian Physical Review 2, no. 2 (2019): 84. http://dx.doi.org/10.29303/ipr.v2i2.25.

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The development of recent gravimetric technology allows us to measure gravity anomalies with accuracy of micro Gal. Micro gravity is able to detect very small gravity anomalies such as anomaly due to buried archeological objects below the earth surface. Radial Derivatives of gravity data is used to sharpen anomaly due to lateral changes of density contrast. Horizontal derivatives carried out by previous researchers have some weaknesses, i.e. the loss of derivative values in certain directions and inconsistence values at the source boundary of the same anomaly edge. To solve the horizontal deri
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Slovick, Brian. "Renormalization of Einstein gravity through a derivative-dependent field redefinition." Modern Physics Letters A 33, no. 02 (2018): 1850016. http://dx.doi.org/10.1142/s0217732318500165.

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This work explores an alternative solution to the problem of renormalizability in Einstein gravity. In the proposed approach, Einstein gravity is transformed into the renormalizable theory of four-derivative gravity by applying a local field redefinition containing an infinite number of higher derivatives. It is also shown that the current–current amplitude is invariant with the field redefinition, and thus the unitarity of Einstein gravity is preserved.
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Isgаndаrov, E., A. Mammadov, and J. Maliyeva. "FILTRATION OF THE GRAVITATIONAL FIELD OF THE ABSHERON-BALKHAN AREA." POLISH JOURNAL OF SCIENCE, no. 86 (May 23, 2025): 22–28. https://doi.org/10.5281/zenodo.15494150.

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The article considers the issue of filtering the gravity field using derivative and gradient methods, which are highly sensitive in identifying weak local anomalies, gravity gradient zones, marginal parts of structures, deep faults and disturbances. As is known, these anomalies also display density heterogeneities of rocks, which can be associated with oil and gas fields and other minerals. Recently, various modifications and formulas for calculating gradients and derivatives of different orientations have been developed, which emphasize various features of anomaly-forming geological structure
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Zuhdi, Muhammad, Syahrial Ayub, and Syamsuddin Syamsuddin. "Forward Modeling of Gravity Anomalies for Identification of Burried Cylindrical Body Using Radial Derivative." Jurnal Pendidikan Fisika dan Teknologi 10, no. 1 (2024): 192–99. http://dx.doi.org/10.29303/jpft.v10i1.7077.

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Radial Derivative Forward Modeling of Gravity Anomalies for Identification of Cylindrical Geological Features. The gravity method is a geophysical method with exploration costs that are quite cheap compared to other geophysical methods. This method is based on the density contrast of the target body with the surrounding. The cylindrical body is one of the targets among various other geological features. This research was conducted to test the ability of radial derivatives of gravity anomalies for targets in the form of cylindrical body. Radial derivatives consist of a first derivative and a se
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Tomboulis, E. T. "Renormalization and unitarity in higher derivative and nonlocal gravity theories." Modern Physics Letters A 30, no. 03n04 (2015): 1540005. http://dx.doi.org/10.1142/s0217732315400052.

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We review and discuss higher derivative and nonlocal theories of quantum gravity focusing on their UV and unitarity properties. We first consider the general fourth-order gravitational action, then actions containing derivatives up to any given fixed order, and discuss their UV divergences, fixed points and concomitant unitarity issues. This leads to a more general discussion of "asymptotic safety" and unitarity, which motivates the introduction of nonlocal theories containing derivatives to all orders arising from the expansion of entire functions. For such theories good UV behavior is visibl
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Biswas, Tirthabir, and Spyridon Talaganis. "String-inspired infinite-derivative theories of gravity: A brief overview." Modern Physics Letters A 30, no. 03n04 (2015): 1540009. http://dx.doi.org/10.1142/s021773231540009x.

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In String Theory, there often appears a rather interesting class of higher derivative theories containing an infinite set of derivatives in the form of an exponential. These theories may provide a way to tame ultraviolet (UV) divergences without introducing ghost-like states. Here we provide a brief overview on the progress that has been made over the last decade to construct such infinite-derivative theories of gravity (IDG) which may be able to address the singularity problems in gravity. In the process, we will present some general results that applies to covariant torsion-free metric theor
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Asorey, M., J. L. López, and I. L. Shapiro. "Some Remarks on High Derivative Quantum Gravity." International Journal of Modern Physics A 12, no. 32 (1997): 5711–34. http://dx.doi.org/10.1142/s0217751x97002991.

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We analyze the perturbative implications of the most general high derivative approach to quantum gravity based on a diffeomorphism-invariant local action. In particular, we consider the superrenormalizable case with a large number of metric derivatives in the action. The structure of ultraviolet divergences is analyzed in some detail. We show that they are independent of the gauge-fixing condition and the choice of field reparametrization. The cosmological counterterm is shown to vanish under certain parameter conditions. We elaborate on the unitarity problem of high derivative approaches and
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Ming, Yanbo, Guoqing Ma, Lili Li, Jiangtao Han, and Taihan Wang. "The Spatial Different Order Derivative Method of Gravity and Magnetic Anomalies for Source Distribution Inversion." Remote Sensing 13, no. 5 (2021): 964. http://dx.doi.org/10.3390/rs13050964.

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Gravity and magnetic measurements are common remote sensing strategies to obtain the property change of observed targets. Nowadays, the characteristic value of the derivatives of gravity and magnetic anomalies is commonly used to detect the source horizontal edge. We found that the horizontal coordinates of the characteristic value of different-order derivatives are not directly corresponding to the edge of the source, which varies with the depth and size of the source. The spatial different-order derivative (SDD) method of gravity and magnetic anomalies was developed, and we proved that the s
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Muhammad, Zuhdi, Sismanto, Setiawan Ari, Setyowiyoto Jarot, Susilo Adi, and Sarkowi Muhammad. "Radial Derivative and Radial Inversion for Interpreting 4D Gravity Anomaly Due to Fluids Injection Around Reservoir." TELKOMNIKA Telecommunication, Computing, Electronics and Control 16, no. 6 (2018): 2855–63. https://doi.org/10.12928/TELKOMNIKA.v16i6.9468.

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The 4D gravity or time lapse gravity has been used many reseracher to identify fluid injection in oil reservoir. The objective of this study is to find the better way in interpreting 4D gravity anomaly due to fluid injection around the reservoir. Radial Derivatives are derivative values of gravity anomalies against horizontal distances in the radial direction. Radial inversion is a two-dimensional inversion of lines with radial directions resulting in a 3-dimension model. Time lapse microgravity research have been performed in “X Oil Field” with amount of 604 data point covering ar
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Gupta, O. P. "Reply by the author to E. M. Abdelrahman, A. I. Bayoumi, and Y. A. Amin." GEOPHYSICS 50, no. 2 (1985): 263. http://dx.doi.org/10.1190/1.1486947.

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I agree with Abdelrahman et al. The use of horizontal derivatives to estimate the depth was tried by one of my colleagues and was found to have the added advantage of resolving structural ambiguities. Formulas for derivatives can be obtained in a similar way as given in the subject paper by simply taking the derivative of the function described by relation (1). However, one has to be very careful in obtaining the derivatives, numerically, from conventional gravity survey data. Estimation of depth will be more reliable. I feel, if derivatives can be measured in field directly, which is a subjec
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Dissertations / Theses on the topic "Gravity derivatives"

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Teimouri, Ilia. "On aspects of infinite derivatives field theories & infinite derivative gravity." Thesis, Lancaster University, 2018. http://eprints.lancs.ac.uk/90105/.

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In this thesis some essential aspects of an infinite derivative theory of gravity are studied. Namely, we considered the Hamiltonian formalism, where the true physical degrees of freedom for infinite derivative scalar models and infinite derivative gravity are obtained. Furthermore, the Gibbons-Hawking-York boundary term for the infinite derivative theory of gravity was obtained. Finally, we considered the thermodynamical aspects of the infinite derivative theory of gravity over different backgrounds. Throughout the thesis, our methodology is applied to other modified theories of gravity as a
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Gullu, Ibrahim. "Massive Higher Derivative Gravity Theories." Phd thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613975/index.pdf.

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In this thesis massive higher derivative gravity theories are analyzed in some detail. One-particle scattering amplitude between two covariantly conserved sources mediated by a graviton exchange is found at tree-level in D dimensional (Anti)-de Sitter and flat spacetimes for the most general quadratic curvature theory augmented with the Pauli-Fierz mass term. From the amplitude expression, the Newtonian potential energies are calculated for various cases. Also, from this amplitude and the propagator structure, a three dimensional unitary theory is identified. In the second part of the thes
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Matsuura, So. "Holographic Renormalization Group for Higher-Derivative Gravity." 京都大学 (Kyoto University), 2003. http://hdl.handle.net/2433/149064.

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Perkins, Alun. "Static spherically symmetric solutions in higher derivative gravity." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/44072.

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We consider the four-derivative modification to the Einstein-Hilbert action of general relativity, without a cosmological constant. Higher derivative terms are interesting because they make the theory renormalisable (but non-unitary) and because they appear generically in quantum gravity theories. We consider the classical, static, spherically symmetric solutions, and try to enumerate all solution families. We find three families in expansions around the origin: one corresponding to the vacuum, another which contains the Schwarzschild family, and another which does not appear in generic theori
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Talaganis, Spyridon. "Classical and quantum aspects of infinite derivative field theories and infinite derivative gravity." Thesis, Lancaster University, 2017. http://eprints.lancs.ac.uk/88133/.

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The objective of this thesis is to study classical and quantum aspects of infinite derivative field theories and infinite derivative gravity. In- finite derivative theories of gravity can be made free from ghosts and classical singularities. In order to avoid ghosts, one modifies the graviton propagator by employing entire functions so that no new poles are introduced apart from the pole corresponding to the massless graviton of General Relativity. Inspired by infinite derivative gravity, we consider an infinite derivative scalar toy model and demonstrate renormalisability when the loop-order
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Debnath, Partha Sarathi. "Cosmological models in the higher derivative gravity and their different aspects." Thesis, University of North Bengal, 2011. http://hdl.handle.net/123456789/1386.

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Pichler, Sebastian. "Scalar fields and higher-derivative gravity in brane worlds." Diss., lmu, 2005. http://nbn-resolving.de/urn:nbn:de:bvb:19-36343.

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Chen, Tai-jun. "Constrained dynamics and higher derivative systems in modified gravity." Thesis, University of Cambridge, 2015. https://www.repository.cam.ac.uk/handle/1810/248757.

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In this thesis, higher derivative theories and constrained dynamics are investigated in detail. In the first part of the thesis, we discuss how the Ostrogradski instability emerges in non-degenerate higher derivative theories in the context of a one-dimensional point particle where the position of the particle is a function only dependent on time. We show that the instabilities can only be removed by the addition of constraints if the original theory’s phase space is reduced. We then generalize this formalism to the most general higher derivative gravity theory where the action is not only lin
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Conroy, Aindriú. "Infinite derivative gravity : a ghost and singularity-free theory." Thesis, Lancaster University, 2017. http://eprints.lancs.ac.uk/85977/.

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The objective of this thesis is to present a viable extension of general relativity free from cosmological singularities. A viable cosmology, in this sense, is one that is free from ghosts, tachyons or exotic matter, while staying true to the theoretical foundations of General Relativity such as general covariance, as well as observed phenomenon such as the accelerated expansion of the universe and inflationary behaviour at later times. To this end, an infinite derivative extension of relativity is introduced, with the gravitational action derived and the non-linear field equations calculated,
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Zahariade, George. "Massive gravity and scalar fields with derivative self-interactions." Paris 7, 2013. http://www.theses.fr/2013PA077169.

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Rajouter un terme de masse au graviton a pour effet de réduire la portée de l'interaction gravitationnelle et donc de modifier son action à l'échelle cosmologique. Cependant Boulware et Deser ont montré que la plupart des manières de rendre le graviton massif donnent lieu à des théories instables qui possèdent un degré de liberté fantomatique en plus des 5 degrés de liberté physiques d'un champ de spin 2 massif. Récemment, de Rham, Gabadadze et Tolley (dRGT) ont découvert une théorie de gravité massive qui semble être dépourvue de ces instabilités chroniques. Dans un premier temps, nous étudio
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Books on the topic "Gravity derivatives"

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Geological Survey (U.S.), ed. Aeromagnetic, Gravity Anomaly, And Derivative Maps Of The Craig And Dixon Entrance 1-Degree By 3-Degree Quadrangles Of Southeastern Alaska, U.S. Geological Survey, U.S. Geological Survey Digital Data Series DDS-56, 1999, (CD-ROM). s.n., 2000.

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Wüthrich, Christian, Baptiste Le Bihan, and Nick Huggett, eds. Philosophy Beyond Spacetime. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198844143.001.0001.

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The present volume collects essays on the philosophical foundations of quantum theories of gravity, such as loop quantum gravity and string theory. Central for philosophical concerns is quantum gravity's suggestion that space and time, or spacetime, may not exist fundamentally, but instead be a derivative entity emerging from non-spatiotemporal degrees of freedom. In the spirit of naturalized metaphysics, contributions to this volume consider the philosophical implications of this suggestion. In turn, philosophical methods and insights are brought to bear on the foundations of quantum gravity
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Kurtus, Ron. Gravity and Gravitation: Derivations, Equations and Applications. SfC Publishing Company, 2012.

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Wynn, Jeffrey C. Aeromagnetic, gravity anomaly, and derivative maps of the Craig and Dixon Entrance 1-degree by 3-degree quadrangles of southeastern Alaska. USGS Information Services (Map and Book Sales), 1999.

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Book chapters on the topic "Gravity derivatives"

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Álvarez, Orlando, Mario Giménez, Federico Lince Klinger, Andrés Folguera, and Carla Braitenberg. "The Peru-Chile Margin from Global Gravity Field Derivatives." In The Evolution of the Chilean-Argentinean Andes. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-67774-3_3.

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Claessens, Sten. "Second- and Third-Order Derivatives of the Somigliana-Pizzetti Reference Gravity Field." In IX Hotine-Marussi Symposium on Mathematical Geodesy. Springer International Publishing, 2019. http://dx.doi.org/10.1007/1345_2019_70.

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Sneeuw, Nico. "Non-Singular Cross-Track Derivatives of the Gravitational Potential Using Rotated Spherical Harmonics." In From Mars to Greenland: Charting Gravity With Space and Airborne Instruments. Springer New York, 1992. http://dx.doi.org/10.1007/978-1-4613-9255-2_31.

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Connes, Alain, Bernard de Wit, Antoine Van Proeyen, et al. "Covariant Derivative, in gravity." In Concise Encyclopedia of Supersymmetry. Springer Netherlands, 2004. http://dx.doi.org/10.1007/1-4020-4522-0_142.

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Ohta, Nobuyoshi. "One-Loop Divergences in Higher-Derivative Gravity." In Handbook of Quantum Gravity. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-99-7681-2_11.

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Ohta, Nobuyoshi. "One-Loop Divergences in Higher-Derivative Gravity." In Handbook of Quantum Gravity. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-3079-9_11-1.

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Pearson, Jonathan. "High Derivative Theories." In Generalized Perturbations in Modified Gravity and Dark Energy. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-01210-0_4.

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Koshelev, Alexey S. "Mathematical Aspects of Analytic Infinite Derivative Gravity Theories." In Handbook of Quantum Gravity. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-99-7681-2_35.

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Koshelev, Alexey S. "Mathematical Aspects of Analytic Infinite Derivative Gravity Theories." In Handbook of Quantum Gravity. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-19-3079-9_35-1.

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Čunderlík, Róbert. "Precise Modelling of the Static Gravity Field from GOCE Second Radial Derivatives of the Disturbing Potential Using the Method of Fundamental Solutions." In International Association of Geodesy Symposia. Springer International Publishing, 2015. http://dx.doi.org/10.1007/1345_2015_211.

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Conference papers on the topic "Gravity derivatives"

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Adib, Adib, Radhiyullah Armi, Sabrian Tri Anda, and Azwanda Azwanda. "Evaluating the Reliability of Satellite Gravity Data for Disaster Risk Mapping in West Coast Aceh's Coal Mines." In The 2nd International Conferences on Applied Engineering, Science, Technology and Innovation. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-bgmz9u.

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This study evaluates the accuracy of satellite gravity methods in disaster risk mapping for the coal mining areas of West Coast Aceh, specifically between longitudes 96.00°E to 96.30°E and latitudes 4.00° to 4.30°. The satellite gravity technique was utilized to detect fault zones through the examination of rock density variations. The collected data was processed to determine the complete Bouguer anomaly, including terrain corrections based on an initial average density of 2.67 g/cm³. The complete Bouguer anomaly values span from -36.2 mGal to 42.4 mGal, with higher values concentrated in the
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Ialongo, S., M. Fedi, and G. Florio. "Invariance Rules in the Regularized Inversion of Gravity and Magnetic Fields and their Derivatives." In 74th EAGE Conference and Exhibition incorporating EUROPEC 2012. EAGE Publications BV, 2012. http://dx.doi.org/10.3997/2214-4609.20148285.

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Yuan, Y., and M. Geng. "Directional Total Horizontal Derivatives of Gravity Gradient Tensor and their Application to Delineat the Edges." In 76th EAGE Conference and Exhibition 2014. EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20140956.

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Sergievskaya, Irina, Stanislav Ermakov, and Tatyana Lazareva. "Damping of short gravity-capillary waves due to oil derivatives film on the water surface." In SPIE Remote Sensing, edited by Charles R. Bostater, Stelios P. Mertikas, Xavier Neyt, Caroline Nichol, and Oscar Aldred. SPIE, 2016. http://dx.doi.org/10.1117/12.2241811.

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Braitenberg, C., and J. Ebbing. "The Gravity Potential Derivatives as a Means to Classify the Barents Sea Basin in the Context of Cratonic Basins." In EGM 2007 International Workshop. European Association of Geoscientists & Engineers, 2007. http://dx.doi.org/10.3997/2214-4609-pdb.166.b_op_23.

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McGrath, Peter. "Dip and depth extent of an inclined planar geological boundary derived from horizontal derivatives of an upward‐continued gravity profile." In SEG Technical Program Expanded Abstracts 1990. Society of Exploration Geophysicists, 1990. http://dx.doi.org/10.1190/1.1890295.

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Widyarta, Reza, Eka Yulianto, Muhamad Maulana, Farhan Syar'i, and Mufidatul Khoiroh. "Identification of Active Fault Using Analysis Of Derivatives With Vertical Second Based On Gravity Anomaly Data (Case Study: Matano Fault In Sulawesi, Indonesia)." In The 13th SEGJ International Symposium, Tokyo, Japan, 12-14 November 2018. Society of Exploration Geophysicists and Society of Exploration Geophysicists of Japan, 2019. http://dx.doi.org/10.1190/segj2018-055.1.

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Hududillah, Teuku Hafid, Andrean V. H. Simanjuntak, and Muhammad Husni. "Identification of active fault using analysis of derivatives with vertical second based on gravity anomaly data (Case study: Seulimeum fault in Sumatera fault system)." In INTERNATIONAL SYMPOSIUM ON EARTH HAZARD AND DISASTER MITIGATION (ISEDM) 2016: The 6th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction. Author(s), 2017. http://dx.doi.org/10.1063/1.4987063.

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Hruška, Ondřej, Robert Švarc, and Jiří Podolský. "Kundt geometries in higher-derivative gravity." In Proceedings of the MG15 Meeting on General Relativity. WORLD SCIENTIFIC, 2022. http://dx.doi.org/10.1142/9789811258251_0196.

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Chalikov, Dmitry, and Alexander V. Babanin. "Three-Dimensional Periodic Fully Nonlinear Potential Waves." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-11634.

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An exact numerical scheme for a long-term simulation of three-dimensional potential fully-nonlinear periodic gravity waves is suggested. The scheme is based on a surface-following non-orthogonal curvilinear coordinate system and does not use the technique based on expansion of the velocity potential. The Poisson equation for the velocity potential is solved iteratively. The Fourier transform method, the second-order accuracy approximation of the vertical derivatives on a stretched vertical grid and the fourth-order Runge-Kutta time stepping are used. The scheme is validated by simulation of st
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Reports on the topic "Gravity derivatives"

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Rizzo, T. Warped Phenomenology of Higher-Derivative Gravity. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/839791.

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Jobin, D. M., M. Véronneau, and W. Miles. First vertical derivative of gravity anomalies map, Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2017. http://dx.doi.org/10.4095/299560.

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Miles, W. F., W. R. Roest, and M. P. Vo. First vertical derivative of gravity anomalies map, Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2000. http://dx.doi.org/10.4095/211520.

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Boulanger, O., F. Kiss, and V. Tschirhart. First vertical derivative of the Bouguer gravity anomaly, airborne gravity survey of the Patterson Lake area, Athabasca Basin, Alberta and Saskatchewan, parts of NTS 74-E, F, K and L. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2019. http://dx.doi.org/10.4095/313526.

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Dumont, R. First vertical derivative of the Bouguer anomaly, Nechako Basin airborne gravity survey, Quesnel / Anahim Lake (NTS 93 B and part of 93 C), British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2008. http://dx.doi.org/10.4095/225539.

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Morris, R., D. M. Jobin, M. D. Thomas, N. Rogers, and S R McCutcheon. New gravity data for the Bathurst Mining Camp, northeastern New Brunswick: a colour-shaded map of the 1st vertical derivative of the Bouguer gravity anomaly with geological contacts and faults, and locations of selected volcanogenic massive sulphide deposits. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2007. http://dx.doi.org/10.4095/223799.

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Dumont, R. First vertical derivative of the Bouguer anomaly, Nechako Basin airborne gravity survey, Prince George / Nechako River (NTS 93 G and part of 93 F), British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2008. http://dx.doi.org/10.4095/225538.

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Connell, Sean D. Geologic map of the Albuquerque - Rio Rancho metropolitan area and vicinity, Bernalillo and Sandoval counties, New Mexico. New Mexico Bureau of Geology and Mineral Resources, 2008. http://dx.doi.org/10.58799/gm-78.

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This is the most comprehensive compilation of the geology of the Albuquerque Basin to be printed in 30 years. The area covered by this new compilation, though not as large as the earlier map, is presented at a scale nearly four times the detail (1:50,000 scale compared to the earlier map's 1:190,000 scale). This new geologic map is a compilation of sixteen 7.5-min USGS quadrangle maps and encompasses an area from Tijeras Arroyo on the south to Santa Ana Mesa north of Santa Ana and San Felipe Pueblos, and from the crest of the Sandia Mountains westward across the Rio Grande and onto the Llano d
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Isostatic residual gravity, topographic, and first-vertical derivative gravity maps of the conterminous United States. US Geological Survey, 1986. http://dx.doi.org/10.3133/gp975.

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Bouguer gravity anomaly map and four derivative maps of Idaho. US Geological Survey, 1988. http://dx.doi.org/10.3133/gp978.

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