Search Results - "Geophysical journal international"

PhaseNet: A Deep-Neural-Network-Based Seismic Arrival Time Picking Method by Zhu, Weiqiang, Beroza, Gregory C

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Solving the frequency-domain acoustic VTI wave equation using physics-informed neural networks by Song, Chao, Alkhalifah, Tariq, Waheed, Umair Bin

“…SUMMARY Frequency-domain wavefield solutions corresponding to the anisotropic acoustic wave equation can be used to describe the anisotropic nature of the…”
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AE event rate characteristics of flawed granite: from damage stress to ultimate failure by Zhang, Jian-Zhi, Zhou, Xiao-Ping

“…SUMMARY Uniaxial compression tests with combined acousto-optical monitoring techniques are conducted on flawed granite specimens, with the aim of investigating…”
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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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Deep learning electromagnetic inversion with convolutional neural networks by Puzyrev, Vladimir

“…SUMMARY Geophysical inversion attempts to estimate the distribution of physical properties in the Earth’s interior from observations collected at or above the…”
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Turbulent geodynamo simulations: a leap towards Earth’s core by Schaeffer, N., Jault, D., Nataf, H.-C., Fournier, A.

“…Summary We present an attempt to reach realistic turbulent regime in direct numerical simulations of the geodynamo. We rely on a sequence of three…”
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A seismic reference model for the crust and uppermost mantle beneath China from surface wave dispersion by Shen, Weisen, Ritzwoller, Michael H., Kang, Dou, Kim, YoungHee, Lin, Fan-Chi, Ning, Jieyuan, Wang, Weitao, Zheng, Yong, Zhou, Longquan

“…Using data from more than 2000 seismic stations from multiple networks arrayed throughout China (CEArray, China Array, NECESS, PASSCAL, GSN) and surrounding…”
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Measuring the misfit between seismograms using an optimal transport distance: application to full waveform inversion by Métivier, L., Brossier, R., Mérigot, Q., Oudet, E., Virieux, J.

“…Full waveform inversion using the conventional L 2 distance to measure the misfit between seismograms is known to suffer from cycle skipping. An alternative…”
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A new high-resolution model of non-tidal atmosphere and ocean mass variability for de-aliasing of satellite gravity observations: AOD1B RL06 by Dobslaw, H., Bergmann-Wolf, I., Dill, R., Poropat, L., Thomas, M., Dahle, C., Esselborn, S., König, R., Flechtner, F.

“…Abstract The release 06 (RL06) of the Gravity Recovery and Climate Experiment (GRACE) Atmosphere and Ocean De-Aliasing Level-1B (AOD1B) product has been…”
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Simultaneous denoising and reconstruction of 5-D seismic data via damped rank-reduction method by Chen, Yangkang, Zhang, Dong, Jin, Zhaoyu, Chen, Xiaohong, Zu, Shaohuan, Huang, Weilin, Gan, Shuwei

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MARE2DEM: a 2-D inversion code for controlled-source electromagnetic and magnetotelluric data by Key, Kerry

“…This work presents MARE2DEM, a freely available code for 2-D anisotropic inversion of magnetotelluric (MT) data and frequency-domain controlled-source…”
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Deep learning for Seismic Lithology Prediction by Zhang, Guoyin, Wang, Zhizhang, Chen, Yangkang

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Whole-mantle radially anisotropic shear velocity structure from spectral-element waveform tomography by French, S. W., Romanowicz, B. A.

“…The radially anisotropic shear velocity structure of the Earth's mantle provides a critical window on the interior dynamics of the planet, with isotropic…”
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Global mantle structure from multifrequency tomography using P, PP and P-diffracted waves by Hosseini, Kasra, Sigloch, Karin, Tsekhmistrenko, Maria, Zaheri, Afsaneh, Nissen-Meyer, Tarje, Igel, Heiner

“…SUMMARY In global-scale seismic tomography, teleseismic P and PP waves mainly constrain structures in the upper two thirds of the mantle, whereas…”
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High accuracy mantle convection simulation through modern numerical methods – II: realistic models and problems by Heister, Timo, Dannberg, Juliane, Gassmöller, Rene, Bangerth, Wolfgang

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Global adjoint tomography: first-generation model by Bozdağ, Ebru, Peter, Daniel, Lefebvre, Matthieu, Komatitsch, Dimitri, Tromp, Jeroen, Hill, Judith, Podhorszki, Norbert, Pugmire, David

“…We present the first-generation global tomographic model constructed based on adjoint tomography, an iterative full-waveform inversion technique. Synthetic…”
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The Antarctica component of postglacial rebound model ICE-6G_C (VM5a) based on GPS positioning, exposure age dating of ice thicknesses, and relative sea level histories by Argus, Donald F., Peltier, W. R., Drummond, R., Moore, Angelyn W.

“…A new model of the deglaciation history of Antarctica over the past 25 kyr has been developed, which we refer to herein as ICE-6G_C (VM5a). This revision of…”
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The 2018–2019 seismo-volcanic crisis east of Mayotte, Comoros islands: seismicity and ground deformation markers of an exceptional submarine eruption by Lemoine, Anne, Briole, Pierre, Bertil, Didier, Roullé, Agathe, Foumelis, Michael, Thinon, Isabelle, Raucoules, Daniel, de Michele, Marcello, Valty, Pierre, Hoste Colomer, Roser

“…SUMMARY On 10 May 2018, an unprecedented long and intense seismic crisis started offshore, east of Mayotte, the easternmost of the Comoros volcanic islands…”
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Iterative joint inversion for stress and fault orientations from focal mechanisms by Vavryčuk, Václav

“…Stress inversions from focal mechanisms require knowledge of which nodal plane is the fault. If such information is missing, and faults and auxiliary nodal…”
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Modular and flexible spectral-element waveform modelling in two and three dimensions by Afanasiev, Michael, Boehm, Christian, van Driel, Martin, Krischer, Lion, Rietmann, Max, May, Dave A, Knepley, Matthew G, Fichtner, Andreas

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