Search Results - "Zheng, Yingcai"

Concepts in the Direct Waveform Inversion (DWI) Using Explicit Time-Space Causality by Yingcai Zheng, Yingcai Zheng, Zhonghan Liu, Zhonghan Liu

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Deep earthquakes in subducting slabs hosted in highly anisotropic rock fabric by Li, Jiaxuan, Zheng, Yingcai, Thomsen, Leon, Lapen, Thomas J., Fang, Xinding

“…Analysis of deep subduction-zone earthquakes, those at depths greater than 60 km, reveals the physical and chemical properties of a descending oceanic…”
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Feasibility of source-free DAS logging for next-generation borehole imaging by Li, David, Huang, Lianjie, Zheng, Yingcai, Li, Yingping, Wannamaker, Philip, Moore, Joseph

“…Characterizing and monitoring geologic formations around a borehole are crucial for energy and environmental applications. However, conventional wireline sonic…”
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Heterogeneity Spectrum of Earth's Upper Mantle Obtained from the Coherence of Teleseismic P Waves by Vernon F. Cormier, Vernon F. Cormier, Yiteng Tian, Yiteng Tian, Yingcai Zheng, Yingcai Zheng

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Under the surface: Pressure-induced planetary-scale waves, volcanic lightning, and gaseous clouds caused by the submarine eruption of Hunga Tonga-Hunga Ha'apai volcano by Yuen, David A., Scruggs, Melissa A., Spera, Frank J., Zheng, Yingcai, Hu, Hao, McNutt, Stephen R., Thompson, Glenn, Mandli, Kyle, Keller, Barry R., Wei, Songqiao Shawn, Peng, Zhigang, Zhou, Zili, Mulargia, Francesco, Tanioka, Yuichiro

“…We present a narrative of the eruptive events culminating in the cataclysmic January 15, 2022 eruption of Hunga Tonga-Hunga Ha'apai Volcano by synthesizing…”
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Seismic-Wave Scattering, Imaging, and Inversion by Lianjie Huang, Lianjie Huang, Michael Fehler, Michael Fehler, Yingcai Zheng, Yingcai Zheng, Xiao-Bi Xie, Xiao-Bi Xie

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Episodic Magma Hammers for the 15 January 2022 Cataclysmic Eruption of Hunga Tonga‐Hunga Ha'apai by Zheng, Yingcai, Hu, Hao, Spera, Frank J., Scruggs, Melissa, Thompson, Glenn, Jin, Yuesu, Lapen, Tom, McNutt, Stephen R., Mandli, Kyle, Peng, Zhigang, Yuen, Dave A.

“…Understanding the forces and magma system dynamics on timescales of seconds to minutes remains challenging. In the January 2022 phreatoplinian Hunga…”
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Improving the Image Quality of High-Angle Interfaces and Subsalt Sediments Using High-Order Scattered Seismic Waves by Lin, Rongrong, Hu, Hao, Ding, Yinshuai, Huang, Lianjie, Gao, Kai, Zheng, Yingcai

“…High-angle or steeply-dipping faults, salt flanks, and subsalt sediments are important structures for many applications such as oil/gas and geothermal energy…”
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Laboratory Evidence of Transient Pressure Surge in a Fluid-Filled Fracture as a Potential Driver of Remote Dynamic Earthquake Triggering by Jin, Yuesu, Dyaur, Nikolay, Zheng, Yingcai

“…Abstract Seismic waves carrying tiny perturbing stresses can trigger earthquakes in geothermal and volcanic regions. The underlying cause of this dynamic…”
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Retrieving the exact Green's function by wavefield crosscorrelation by Zheng, Yingcai

“…Recent development on the Green's function retrieval by wavefield crosscorrelation has substantially advanced the physical research in a multidisciplinary and…”
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Microseismic Monitoring at the Farnsworth CO2-EOR Field by Qin, Yan, Li, Jiaxuan, Huang, Lianjie, Gao, Kai, Li, David, Chen, Ting, Bratton, Tom, El-kaseeh, George, Ampomah, William, Ispirescu, Titus, Cather, Martha, Balch, Robert, Zheng, Yingcai, Tang, Shuhang, McCormack, Kevin L., McPherson, Brian

“…The Farnsworth Unit in northern Texas is a field site for studying geologic carbon storage during enhanced oil recovery (EOR) using CO2. Microseismic…”
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Simultaneous Inversion of Layered Velocity and Density Profiles Using Direct Waveform Inversion (DWI): 1D Case by Liu, Zhonghan, Zheng, Yingcai, Zhou, Hua-Wei

“…To better interpret the subsurface structures and characterize the reservoir, a depth model quantifying P-wave velocity together with additional rock’s…”
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Low Vp/Vs ratios in the crust and upper mantle beneath the Sea of Okhotsk inferred from teleseismic pMP, sMP, and sMS underside reflections from the Moho by Zheng, Yingcai, Lay, Thorne

“…Teleseismic ground motion recordings of deep earthquakes often contain clear seismic wave reflections from the free surface above the source (pP, sP, sS), with…”
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Pervasive Seismic Wave Reflectivity and Metasomatism of the Tonga Mantle Wedge by Zheng, Yingcai, Lay, Thorne, Flanagan, Megan P, Williams, Quentin

“…Subduction zones play critical roles in the recycling of oceanic lithosphere and the generation of continental crust. Seismic imaging can reveal structures…”
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Fault Detection on Seismic Structural Images Using a Nested Residual U-Net by Gao, Kai, Huang, Lianjie, Zheng, Yingcai

“…Automatic identification of faults on seismic structural images is a challenging yet crucial task in quantitative seismic interpretation. Human picking or…”
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Seismic effects of the Caloris basin impact, Mercury by Lü, Jiangning, Sun, Youshun, Nafi Toksöz, M., Zheng, Yingcai, Zuber, Maria T.

“…Striking geological features on Mercury's surface have been linked to tectonic disruption associated with the Caloris impact and have the potential to provide…”
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Data-driven dispersive surface-wave prediction and mode separation using high-resolution dispersion estimation by Hu, Hao, Zheng, Yingcai

“…In seismic data processing, surface waves and body waves are usually processed differently. We propose a data-driven approach to predict and separate the…”
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Generation of a stochastic binary field that fits a given heterogeneity power spectrum by Li, Jiaxuan, Zheng, Yingcai

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Rapid falling of an orbiting moon to its parent planet due to tidal-seismic resonance by Tian, Yuan, Zheng, Yingcai

“…Tidal forces play an important role in the evolution of the planet-moon systems. The tidal force of a moon can excite seismic waves in the planet it is…”
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Non-linear partial derivative and its De Wolf approximation for non-linear seismic inversion by Wu, Ru-Shan, Zheng, Yingcai

“…We demonstrate that higher order Fréchet derivatives are not negligible and the linear Fréchet derivative may not be appropriate in many cases, especially when…”
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