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1دورية أكاديمية
المؤلفون: Bucher, Federico, Monachesi, Leonardo Bruno, Castromán, Gabriel Alejandro, Zyserman, Fabio Ivan
مصطلحات موضوعية: ELECTROMAGNETIC THEORY, NUMERICAL MODELLING, WAVE PROPAGATION, https://purl.org/becyt/ford/1.5Test, https://purl.org/becyt/ford/1Test
الوصف: In this paper, we address the study of the seismoelectric response of an elastic medium in contact with a poroelastic half-space. In particular, we advance in the understanding of the generation mechanism of the interface response (IR) and the evanescent electromagnetic (EM) fields occurring at the contact between both media, by proposing a seismoelectric phenomenological model (SPM). Essentially, the model consists of a sequence of electric dipoles that are activated successively, simulating the seismic-to-EM energy conversion taking place with the arrival of a seismic wave at the interface separating the media. We obtained SPM responses for different scenarios and acquisition configurations and compared them with responses computed using a code based on the finite-elements method, which solves the seismoelectric equations in the compressional P and vertical shear SV waves coupled with the transverse-magnetic (TM) fields (PSVTM) mode. The SPM successfully represents not only the evanescent wave but also the IR within the elastic medium. In particular, we show that the SPM is able to faithfully reproduce the relative amplitudes of both events and their radiation patterns with a minimum computational cost. In this way, it provides a novel insight in the study of the physical phenomenon behind the seismoelectric conversions. ; Fil: Bucher, Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Departamento de Geofísica Aplicada; Argentina ; Fil: Monachesi, Leonardo Bruno. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina ; Fil: Castromán, Gabriel Alejandro. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Departamento de Geofísica Aplicada; Argentina. Consejo Nacional de Investigaciones ...
وصف الملف: application/pdf
العلاقة: http://hdl.handle.net/11336/224412Test; Bucher, Federico; Monachesi, Leonardo Bruno; Castromán, Gabriel Alejandro; Zyserman, Fabio Ivan; Seismoelectric response of 2D elastic/poroelastic coupled media: a phenomenological approach; Wiley Blackwell Publishing, Inc; Geophysical Journal International; 236; 1; 10-2023; 62-77; CONICET Digital; CONICET
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2دورية أكاديمية
المؤلفون: Melis, A., Moura, F., Larrabide, Ignacio, Janot, K., Clayton, R. H., Narata, A.P., Marzo, A.
مصطلحات موضوعية: 1D CARDIOVASCULAR MODELLING, STATISTICAL EMULATOR, GAUSSIAN PROCESS, VASOSPASM, PULSE WAVE PROPAGATION, https://purl.org/becyt/ford/1.2Test, https://purl.org/becyt/ford/1Test
الوصف: Cerebral vasospasm (CVS) is a life-threatening condition that occurs in a large proportion of those affected by subarachnoid haemorrhage and stroke. CVS manifests itself as the progressive narrowing of intracranial arteries. It is usually diagnosed using Doppler ultrasound, which quantifies blood velocity changes in the affected vessels, but has low sensitivity when CVS affects the peripheral vasculature. The aim of this study was to identify alternative biomarkers that could be used to diagnose CVS. We used a 1D modelling approach to describe the properties of pulse waves that propagate through the cardiovascular system, which allowed the effects of different types of vasospasm on waveforms to be characterised at several locations within a simulated cerebral network. A sensitivity analysis empowered by the use of a Gaussian process statistical emulator was used to identify waveform features that may have strong correlations with vasospasm. We showed that the minimum rate of velocity change can be much more effective than blood velocity for stratifying typical manifestations of vasospasm and its progression. The results and methodology of this study have the potential not only to improve the diagnosis and monitoring of vasospasm, but also to be used in the diagnosis of many other cardiovascular diseases where cardiovascular waves can be decoded to provide disease characterisation. ; Fil: Melis, A. University Of Sheffield; Reino Unido ; Fil: Moura, F. Universidade Federal Do Abc; Brasil ; Fil: Larrabide, Ignacio. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Exactas. Grupo de Plasmas Densos Magnetizados. Provincia de Buenos Aires. Gobernación. Comision de Investigaciones Científicas. Grupo de Plasmas Densos Magnetizados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tandil; Argentina ; Fil: Janot, K. University Of Sheffield; Reino Unido ; Fil: Clayton, R. H. University Of Sheffield; Reino Unido ; Fil: Narata, ...
وصف الملف: application/pdf
العلاقة: info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0021929019302830?via%3DihubTest; http://hdl.handle.net/11336/120326Test; Melis, A.; Moura, F.; Larrabide, Ignacio; Janot, K.; Clayton, R. H.; et al.; Improved biomechanical metrics of cerebral vasospasm identified via sensitivity analysis of a 1D cerebral circulation model; Elsevier; Journal Of Biomechanics; 90; 6-2019; 24-32; CONICET Digital; CONICET
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3دورية أكاديميةLow-latitude equinoctial spread-F occurrence at different longitude sectors under low solar activity
المؤلفون: Pezzopane, M., Zuccheretti, E., Abadi, P., de Abreu, A. J., de Jesus, R., Fagundes, P. R., Supnithi, P., Rungraengwajiake, S., Nagatsuma, T., Tsugawa, T., Cabrera, Miguel Angel, Ezquer, Rodolfo Gerardo
مصطلحات موضوعية: IONOSPHERE, EQUATORIAL IONOSPHERE, IONOSPHERIC IRREGULARITIES, WAVE PROPAGATION, https://purl.org/becyt/ford/1.5Test, https://purl.org/becyt/ford/1Test
الوصف: We present the results of a comparative study of spread-F signatures over five low-latitude sites: Chiangmai (CGM; 18.8° N, 98.9° E, mag. Lat. 8.8° N), Thailand; Tanjungsari (TNJ; 6.9° S, 107.6° E, mag. Lat. 16.9° S), Indonesia; Palmas (PAL; 10.2° S, 311.8° E, mag. Lat. 0.9° S) and São José Dos Campos (SJC; 23.2° S, 314.1° E, mag. Lat. 14.0° S), Brazil; and Tucumán (TUC; 26.9° S, 294.6° E, mag. Lat. 16.8° S), Argentina. The investigation was based on simultaneous ionograms recorded by an FMCW (frequency-modulated continuous-wave) at CGM, an IPS-71 (digital ionosonde from KEL aerospace) at TNJ, a CADI (Canadian Advanced Digital Ionosonde) at PAL and SJC, and an AIS-INGV (Advanced Ionospheric Sounder – Istituto Nazionale di Geofisica e Vulcanologia) at TUC, during the equinoctial periods March–April (R12 = 2.0 and R12 = 2.2) and September–October (R12 = 6.1 and R12 = 7.0) 2009, for very low solar activity. Spread-F signatures were categorized into two types: the range spread-F (RSF) and the frequency spread-F (FSF). The study confirms that the dynamics and the physical processes responsible for these phenomena are actually complicated. In fact, the features that arise from the investigation are different, depending on both the longitude sector and on the hemisphere. For instance, TUC, under the southern crest of the ionospheric equatorial ionization anomaly (EIA), shows a predominance of RSF signatures, while both SJC, under the southern crest of EIA but in a different longitude sector, and CGM, under the northern crest of EIA, show a predominance of FSF signatures. Moreover, the spread-F occurrence over the longitude sector that includes CGM and TNJ is significantly lower than the spread-F occurrence over the longitude sector of PAL, SJC, and TUC. ; Fil: Pezzopane, M. Istituto Nazionale Di Geofisica E Vulcanologia; Italia; ; Fil: Zuccheretti, E. Istituto Nazionale Di Geofisica E Vulcanologia; Italia; ; Fil: Abadi, P. Indonesian National Institute of Aeronautics and Space. Space Science Center. Division of ...
وصف الملف: application/pdf
العلاقة: info:eu-repo/semantics/altIdentifier/url/http://www.ann-geophys.net/31/153/2013/angeo-31-153-2013.pdfTest; http://hdl.handle.net/11336/1576Test; Pezzopane, M.; Zuccheretti, E.; Abadi, P.; de Abreu, A. J.; de Jesus, R.; et al.; Low-latitude equinoctial spread-F occurrence at different longitude sectors under low solar activity; Copernicus Publications; Annales Geophysicae; 31; 5-2-2013; 153-162
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4دورية أكاديمية
المؤلفون: Ceballos, Marcelo Alejandro, Prato, Carlos Alberto
مصطلحات موضوعية: Layered Media, Wave Propagation Modes, Thin-Layer Method, Soil-Structure Interaction, https://purl.org/becyt/ford/2.1Test, https://purl.org/becyt/ford/2Test
الوصف: A first-order formulation to analyze the dynamic response of layered soil profiles is presented as an alternative to the widely used second-order thin-layer method by the direct stiffness approach, including an efficient simulation of the underlaying elastic half-space. In contrast to the thin-layer method where response is expressed through a combination of second-order propagation modes, the proposed procedure uses first-order modal parameters that have the capacity to provide a good approximation in the complete wave number domain k, including the exact stiffness values for k=0 and k→∞, thus justifying its designation of doubly-asymptotic. This feature allows obtaining the exact soil profile response for static loads, while the proposed treatment of the elastic half-space reproduces naturally the radiation condition without a need of artificial damping. The capacity of the proposed formulation to solve elastodynamic problems is assessed by comparing its results with those of exact solutions available in the literature, and numerical solutions of rigid disks supported on the surface of different soil profiles. ; Fil: Ceballos, Marcelo Alejandro. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina ; Fil: Prato, Carlos Alberto. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina
وصف الملف: application/pdf
العلاقة: info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0267726114002024Test; http://hdl.handle.net/11336/34412Test; Ceballos, Marcelo Alejandro; Prato, Carlos Alberto; First-order doubly-asymptotic formulation of the direct stiffness method for elastodynamic problems; Elsevier; Soil Dynamics And Earthquake Engineering; 67; 11-2014; 273-289; CONICET Digital; CONICET
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5دورية أكاديمية
المؤلفون: Martinez Corredor, Robiel, Santos, Juan Enrique, Gauzellino, Patricia Mercedes, Carcione, Jose M.
مصطلحات موضوعية: Porelasticity, Reflectivity, Fine Layers, Wave Propagation, https://purl.org/becyt/ford/1.5Test, https://purl.org/becyt/ford/1Test
الوصف: Wave propagation in poroelastic media is a subject that finds applications in many fields of research, from geophysics of the solid Earth to material science. In geophysics, seismic methods are based on the reflection and transmission of waves at interfaces or layers. It is a relevant canonical problem, which has not been solved in explicit form, i.e., the wave response of a single layer, involving three dissimilar media, where the properties of the media are described by Biot's theory. The displacement fields are recast in terms of potentials and the boundary conditions at the two interfaces impose continuity of the solid and fluid displacements, normal and shear stresses, and fluid pressure. The existence of critical angles is discussed. The results are verified by taking proper limits—zero and 100% porosity—by comparison to the canonical solutions corresponding to single-phase solid (elastic) media and fluid media, respectively, and the case where the layer thickness is zero, representing an interface separating two poroelastic half-spaces. As examples, it was calculated the reflection and transmission coefficients for plane wave incident at a highly permeable and compliant fluid-saturated porous layer, and the case where the media are saturated with the same fluid. ; Fil: Martinez Corredor, Robiel. Universidad Nacional de La Plata. Facultad de Ingeniería; Argentina ; Fil: Santos, Juan Enrique. Universidad de Buenos Aires. Facultad de Ingeniería. Instituto del Gas y del Petroleo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina ; Fil: Gauzellino, Patricia Mercedes. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas. Departamento de Geofísica Aplicada; Argentina ; Fil: Carcione, Jose M. Istituto Nazionale di Oceanografia e di Geofisica Sperimentale; Italia
وصف الملف: application/pdf
العلاقة: http://hdl.handle.net/11336/33233Test; Carcione, Jose M.; Santos, Juan Enrique; Martinez Corredor, Robiel; Gauzellino, Patricia Mercedes; Reflection and transmission coefficients of a single layer in poroelastic media; Acoustical Society of America Institute of Physics; Journal of the Acoustical Society of America; 135; 6; 3-2014; 3151-3162; CONICET Digital; CONICET
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6دورية أكاديمية
مصطلحات موضوعية: ELECTRICAL PROPERTIES, GLACIERS, SEISMOELECTRICS, WAVE PROPAGATION, https://purl.org/becyt/ford/1.5Test, https://purl.org/becyt/ford/1Test
الوصف: In this work we derive the analytic solutions to the system of equations modeling, within the framework of Pride's theory, the seismic-to-electromagnetic conversions taking place in a glacial environment. Considering a one-dimensional approach, we set a pure shear horizontal wave seismic source on top of an elastic medium representing the glacier, which overlies a porous medium fully saturated with water, representing the glacier bed. The obtained solutions allow to separately represent and analyze the induced electromagnetic responses, the so called coseismic waves, for both the electric and magnetic fields along with the signals originated at the glacier bottom, the electric interface response, and magnetic interface response. We also propose approximate solutions, useful to be used in a fast inversion algorithm. We analyze the characteristics of the induced electromagnetic signals and their dependence on the type of glacier bed, considering an unconsolidated one and a consolidated one. The main results of the present paper are manifold, on the one hand, the mentioned analytic solutions, on the other hand, that the electric interface response originated at the glacier bottom is proportional to the electric current density at this depth, and depends on textural and electrical properties of the basement. We also showed that the amplitude of the electric interface response is three orders of magnitude higher than the amplitude of the electric coseismic field. This fact reinforces the idea proposed in our previous works that it would be interesting to test shear horizontal seismoelectrics as a possible geophysical prospecting and monitoring tool. ; Fil: Monachesi, Leonardo Bruno. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación en Paleobiología y Geología; Argentina ; Fil: Zyserman, Fabio Ivan. Universidad Nacional de Río Negro; Argentina. Consejo ...
وصف الملف: application/pdf
العلاقة: info:eu-repo/semantics/altIdentifier/url/http://doi.wiley.com/10.1029/2018JF004607Test; http://hdl.handle.net/11336/82819Test; Monachesi, Leonardo Bruno; Zyserman, Fabio Ivan; Jouniaux, L.; SH Seismoelectric Response of a Glacier: An Analytic Study; Blackwell Publishing; Journal of Geophysical Research: Earth Surface; 123; 9; 9-2018; 2135-2156; CONICET Digital; CONICET
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7دورية أكاديمية
مصطلحات موضوعية: CALCIO SIGNALING, WAVE PROPAGATION, STOCHASTIC MODELING, IP3-RECEPTORS, https://purl.org/becyt/ford/1.6Test, https://purl.org/becyt/ford/1Test
الوصف: The functional properties of inositol(1,4,5)-triphosphate (IP3) receptors allow a variety of intracellular Ca2+ phenomena. In this way, global phenomena, such as propagating and abortive Ca2+ waves, as well as local events such as puffs, have been observed. Several experimental studies suggest that many features of global phenomena (e.g., frequency, amplitude, speed wave) depend on the interplay of biophysical processes such as diffusion, buffering, efflux and influx rates, which in turn depend on parameters such as buffer concentration, Ca2+ pump density, cytosolic IP3 level, and intercluster distance. Besides, it is known that cells are able to modify some of these parameters in order to regulate the Ca2+ signaling. By using a hybrid model, we analyzed different features of the hierarchy of calcium events as a function of two relevant parameters for the calcium signaling, the intercluster distance and the pump strength or intensity. In the space spanned by these two parameters, we found two modes of calcium dynamics, one dominated by abortive calcium waves and the other by propagating waves. Smaller distances between the release sites promote propagating calcium waves, while the increase of the efflux rate makes the transition from propagating to abortive waves occur at lower values of intercluster distance. We determined the frontier between these two modes, in the parameter space defined by the intercluster distance and the pump strength. Furthermore, we found that the velocity of simulated calcium waves accomplishes Luther's law, and that an effective rate constant for autocatalytic calcium production decays linearly with both the intercluster distance and the pump strength. ; Fil: Guisoni, Nara Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física de Líquidos y Sistemas Biológicos. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física de Líquidos y Sistemas Biológicos; Argentina ; Fil: ...
وصف الملف: application/pdf
العلاقة: info:eu-repo/semantics/altIdentifier/url/http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0115187Test; http://hdl.handle.net/11336/37409Test; Guisoni, Nara Cristina; Ferrero, Paola Viviana; Layana, Carla; Diambra, Luis Anibal; Abortive and propagating intracellular calcium waves: Analysis from a hybrid model; Public Library of Science; Plos One; 10; 1; 1-2015; 1-15; CONICET Digital; CONICET
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8دورية أكاديمية
المؤلفون: Muller, Gabriela Viviana, Gan, Manoel Alonso, Piva, Everson Dal, Silveira, Virginia Piccinini
مصطلحات موضوعية: Energetics, Frost Events, South America, Wave Propagation, https://purl.org/becyt/ford/1.5Test, https://purl.org/becyt/ford/1Test
الوصف: This paper presents a new vision on the cold and cool events that affect the tropical region of South America, considering the dynamics and the energetics of wave train propagation associated with these systems. Through a composite analysis of meridional winds at 300 hPa for cold (T < 0 °C) and cool (0 °C ≤ T ≤ 2.5 °C) air incursions affecting tropical latitudes and causing frost are studied. The cold events observed in tropical latitudes are associated with a single Rossby wave pattern propagating over the Pacific Ocean which drives the low level anticyclone from the southwest of the continent to low latitudes. This propagation involves a southern circulation due to the meridional wind penetration and consequently cold air advection causing temperatures to drop below 0 °C. During cool events a subtropical wave train propagating through the Pacific Ocean is observed, which merges before the event with a wave coming from the subpolar latitudes of the South Atlantic Ocean. The zonal propagation leads to the entrance of the anticyclone from the west of the continent, and it is strengthened together with the meridionaly extended cyclone located upstream. This configuration causes southerly wind advection over central-southeastern Brazil and consequently causes the temperature decrease. The energetics shows that the cold events kinetic energy maxima are more intense than those of cool events. For the cold events three maxima are observed, the first (K1) and the third (K3) maxima are developed by baroclinic conversion and ageostrophic flux convergence and the second one (K2) by ageostrophic flux convergence. For the cool events two maxima are found, the first maximum (K4) developed by baroclinic conversion and the second one by ageostrophic flux convergence. ; Fil: Muller, Gabriela Viviana. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la ...
وصف الملف: application/pdf
العلاقة: info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs00382-015-2532-2Test; http://hdl.handle.net/11336/37314Test; Muller, Gabriela Viviana; Gan, Manoel Alonso; Piva, Everson Dal; Silveira, Virginia Piccinini; Energetics of wave propagation leading to cold event in tropical latitudes of South America; Springer; Climate Dynamics; 45; 1-2; 7-2015; 1-20; CONICET Digital; CONICET
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9دورية أكاديمية
مصطلحات موضوعية: ELECTRICAL PROPERTIES, HYDROGEOPHYSICS, PERMEABILITY AND POROSITY, WAVE PROPAGATION, https://purl.org/becyt/ford/1.5Test, https://purl.org/becyt/ford/1Test
الوصف: We derive an analytical solution of the seismoelectric conversions generated in the vadose zone, when this region is crossed by a pure shear horizontal (SH) wave. Seismoelectric conversions are induced by electrokinetic effects linked to relative motions between fluid and porous media. The considered model assumes a 1D soil constituted by a single layer on top of a half-space in contact at the water table, and a shearing force located at the earth?s surface as the wave source. The water table is an interface expected to induce a seismoelectric interfacial response (IR). The top layer represents a porous rock in which porous space is partially saturated by water and air, while the half-space is completely saturated with water, representing the saturated zone. The analytical expressions for the coseismic fields and the interface responses, both electric and magnetic, are derived by solving Pride?s equations with proper boundary conditions. An approximate analytical expression of the solution is also obtained, which is very simple and applicable in a fairly broad set of situations. Hypothetical scenarios are proposed to study and analyse the dependence of the electromagnetic fields on various parameters of the medium. An analysis of the approximate solution is also made together with a comparison to the exact solution. The main result of the present analysis is that the amplitude of the interface response generated at the water table is found to be proportional to the jump in the electric current density, which in turn depends on the saturation contrast, poro-mechanical and electrical properties of the medium and on the amplitude of the solid displacement produced by the source. This result is in agreement with the one numerically obtained by the authors, which has been published in a recent work. We also predict the existence of an interface response located at the surface, and that the electric interface response is several orders of magnitude bigger than the electric coseismic field, whereas it is the opposite ...
وصف الملف: application/pdf
العلاقة: info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/gji/article-abstract/213/3/1999/4939267?redirectedFrom=fulltextTest; http://hdl.handle.net/11336/86656Test; Monachesi, Leonardo Bruno; Zyserman, Fabio Ivan; Jouniaux, L.; An analytical solution to assess the SH seismoelectric response of the vadose zone; Wiley Blackwell Publishing, Inc; Geophysical Journal International; 213; 3; 6-2018; 1999-2019; CONICET Digital; CONICET
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10دورية أكاديمية
مصطلحات موضوعية: ANISOTROPY, COMPRESSIONAL WAVE (P-WAVE), ROCK PHYSICS, SHEAR WAVE (S-WAVE), WAVE PROPAGATION, https://purl.org/becyt/ford/1.5Test, https://purl.org/becyt/ford/1Test
الوصف: The Schoenberg-Muir theory states that an equivalent, homogeneous and anisotropic medium can be constructed from a layered medium composed of several thin layers, each anisotropic, under the assumption of stationarity. To test the theory we considered single transversely isotropic layers with different orientations of the symmetry axis and performed numerical simulations of wave propagation with a full-wave solver. The equivalent media have orthorhombic and monoclinic symmetries, respectively. The theory performed very well from the kinematical and dynamical points of view, even for strong anisotropy and layers described by media whose symmetry axes have different orientations. ; Fil: Carcione, José M. Istituto Nazionale di Oceanografia e di Geofisica Sperimentale; Italia ; Fil: Picotti, Stefano. Istituto Nazionale di Oceanografia e di Geofisica Sperimentale; Italia ; Fil: Cavallini, Fabio. Istituto Nazionale di Oceanografia e di Geofisica Sperimentale; Italia ; Fil: Santos, Juan Enrique. Universidad de Buenos Aires. Facultad de Ingeniería. Instituto del Gas y del Petróleo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
وصف الملف: application/pdf
العلاقة: info:eu-repo/semantics/altIdentifier/url/http://mr.crossref.org/iPage?doi=10.1190%2Fgeo2011-0228.1Test; http://hdl.handle.net/11336/195939Test; Carcione, José M.; Picotti, Stefano; Cavallini, Fabio; Santos, Juan Enrique; Numerical test of the Schoemberg-Muir theory; Society of Exploration Geophysicists; Geophysics; 77; 2; 6-2012; 1-9; CONICET Digital; CONICET
