Search Results - "Tromp Jeroen"

Adjoint Tomography of the Southern California Crust by Tape, Carl, Liu, Qinya, Maggi, Alessia, Tromp, Jeroen

“…Using an inversion strategy based on adjoint methods, we developed a three-dimensional seismological model of the southern California crust. The resulting…”
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Seismic tomography of the southern California crust based on spectral-element and adjoint methods by Tape, Carl, Liu, Qinya, Maggi, Alessia, Tromp, Jeroen

“…We iteratively improve a 3-D tomographic model of the southern California crust using numerical simulations of seismic wave propagation based on a…”
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Misfit functions for full waveform inversion based on instantaneous phase and envelope measurements by Bozdağ, Ebru, Trampert, Jeannot, Tromp, Jeroen

“…SUMMARY Resolution in seismic tomography intimately depends on data coverage, with different parts of seismograms sensitive to different parts of Earth's…”
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Structure of the European upper mantle revealed by adjoint tomography by Zhu, Hejun, Bozdağ, Ebru, Peter, Daniel, Tromp, Jeroen

“…The structure of the European crust and upper mantle is precisely known only in limited regions. A new tomographic model for the entire European upper mantle…”
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Lithospheric foundering and underthrusting imaged beneath Tibet by Chen, Min, Niu, Fenglin, Tromp, Jeroen, Lenardic, Adrian, Lee, Cin-Ty A., Cao, Wenrong, Ribeiro, Julia

“…Long-standing debates exist over the timing and mechanism of uplift of the Tibetan Plateau and, more specifically, over the connection between lithospheric…”
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Seismic structure of the European upper mantle based on adjoint tomography by Zhu, Hejun, Bozdağ, Ebru, Tromp, Jeroen

“…We use adjoint tomography to iteratively determine seismic models of the crust and upper mantle beneath the European continent and the North Atlantic Ocean…”
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Global adjoint tomography—model GLAD-M25 by Lei, Wenjie, Ruan, Youyi, Bozdağ, Ebru, Peter, Daniel, Lefebvre, Matthieu, Komatitsch, Dimitri, Tromp, Jeroen, Hill, Judith, Podhorszki, Norbert, Pugmire, David

“…SUMMARY Building on global adjoint tomography model GLAD-M15, we present transversely isotropic global model GLAD-M25, which is the result of 10 quasi-Newton…”
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Mapping Tectonic Deformation in the Crust and Upper Mantle Beneath Europe and the North Atlantic Ocean by Zhu, Hejun, Tromp, Jeroen

“…We constructed a three-dimensional azimuthally anisotropic model of Europe and the North Atlantic Ocean based on adjoint seismic tomography. Several features…”
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Pre-conditioned BFGS-based uncertainty quantification in elastic full-waveform inversion by Liu, Qiancheng, Beller, Stephen, Lei, Wenjie, Peter, Daniel, Tromp, Jeroen

“…SUMMARY Full-waveform inversion has become an essential technique for mapping geophysical subsurface structures. However, proper uncertainty quantification is…”
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Tidal tomography constrains Earth’s deep-mantle buoyancy by Lau, Harriet C. P., Mitrovica, Jerry X., Davis, James L., Tromp, Jeroen, Yang, Hsin-Ying, Al-Attar, David

“…Earth’s body tide—also known as the solid Earth tide, the displacement of the solid Earth’s surface caused by gravitational forces from the Moon and the Sun—is…”
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Impact of topography and three-dimensional heterogeneity on coseismic deformation by Langer, Leah, Gharti, Hom Nath, Tromp, Jeroen

“…SUMMARY Knowledge of deformation at plate boundaries has been improved greatly by the development of observational techniques in space geodesy. However, most…”
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Seismic tomography, adjoint methods, time reversal and banana-doughnut kernels by Tromp, Jeroen, Tape, Carl, Liu, Qinya

“…We draw connections between seismic tomography, adjoint methods popular in climate and ocean dynamics, time-reversal imaging and finite-frequency…”
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Full-waveform tomography reveals iron spin crossover in Earth’s lower mantle by Cobden, Laura, Zhuang, Jingyi, Lei, Wenjie, Wentzcovitch, Renata, Trampert, Jeannot, Tromp, Jeroen

“…Three-dimensional models of Earth’s seismic structure can be used to identify temperature-dependent phenomena, including mineralogical phase and spin…”
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Forward and adjoint simulations of seismic wave propagation on fully unstructured hexahedral meshes by Peter, Daniel, Komatitsch, Dimitri, Luo, Yang, Martin, Roland, Le Goff, Nicolas, Casarotti, Emanuele, Le Loher, Pieyre, Magnoni, Federica, Liu, Qinya, Blitz, Céline, Nissen‐Meyer, Tarje, Basini, Piero, Tromp, Jeroen

“…SUMMARY We present forward and adjoint spectral‐element simulations of coupled acoustic and (an)elastic seismic wave propagation on fully unstructured…”
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Spectral-element simulations of global seismic wave propagation—I. Validation by Komatitsch, Dimitri, Tromp, Jeroen

“…We use a spectral-element method to simulate seismic wave propagation throughout the entire globe. The method is based upon a weak formulation of the equations…”
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Unified Structural Representation of the southern California crust and upper mantle by Shaw, John H., Plesch, Andreas, Tape, Carl, Suess, M. Peter, Jordan, Thomas H., Ely, Geoffrey, Hauksson, Egill, Tromp, Jeroen, Tanimoto, Toshiro, Graves, Robert, Olsen, Kim, Nicholson, Craig, Maechling, Philip J., Rivero, Carlos, Lovely, Peter, Brankman, Charles M., Munster, Jason

“…We present a new, 3D description of crust and upper mantle velocity structure in southern California implemented as a Unified Structural Representation (USR)…”
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An automated time-window selection algorithm for seismic tomography by Maggi, Alessia, Tape, Carl, Chen, Min, Chao, Daniel, Tromp, Jeroen

“…We present FLEXWIN, an open source algorithm for the automated selection of time windows on pairs of observed and synthetic seismograms. The algorithm was…”
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Minuscule Corrections to Near-surface Solar Internal Rotation Using Mode Coupling by Bharati Das, Srijan, Kashyap, Samarth G., Oktay, Deniz, Hanasoge, Shravan M., Tromp, Jeroen

“…Abstract The observed solar oscillation spectrum is influenced by internal perturbations such as flows and structural asphericities. These features induce…”
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A perfectly matched layer absorbing boundary condition for the second-order seismic wave equation by Komatitsch, Dimitri, Tromp, Jeroen

“…The perfectly matched layer absorbing boundary condition has proven to be very efficient for the elastic wave equation written as a first-order system in…”
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Finite‐frequency tomography using adjoint methods—Methodology and examples using membrane surface waves by Tape, Carl, Liu, Qinya, Tromp, Jeroen

“…SUMMARY We employ adjoint methods in a series of synthetic seismic tomography experiments to recover surface wave phase‐speed models of southern California…”
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