Han gao, and jie zhang, university of science and technology of china ustc summary we apply interferometric theory to solve a 3d seismic residual statics problem that helps to improve reflection imaging. Shooting method andersen and kak, 1982 from a source point to a receiver, given an initial value, shoot rays following the equation. In complex structure imaging problems, nearsurface corrections often play critical roles. We attempt to give a general definition of the nonlinear least squares inverse problem. Pdf engineering geology for underground rocks by suping. Synthetic seismograms of nonlinear seismic waves in. Passive laser gyroscopes for inertial rotation sensing of. Jul 20, 2012 the cycle time can be reduced drastically and hence the production efficiency can be increased significantly but harmonic distortion of one sweep will leak into the record of the other sweep. The journal of applied geophysics with its key objective of responding to pertinent and timely needs, places particular emphasis on methodological developments and innovative applications of geophysical techniques for addressing environmental, engineering, and hydrological problems.
The approach can calculate the statics solutions without picking the first arrivals in shot or receiver gathers. Department of geophysics, university of science and technology of china, hefei, anhui 230026, p. Earthquake characteristics before eruptions of japans ontake volcano in 2007 and 2014 miao zhang1 and lianxing wen1,2 1laboratory of seismology and physics of earths interior, school of earth and space sciences, university of science and technology of china, hefei, china, 2department of geosciences, state universityof new york at stony brook, stony brook. Horizonbased semiautomated nonhyperbolic velocity analysis. Ap projections of future temperature are critical for developing sound strategies to address climate risks, but depend on deeply uncertain earth system properties, including the earthsystem sensitivity ess. Senior research scientist, applied geophysics, earth, atmospheric and planetary sciences eapsearth resources laboratory erl, to join a laboratory whose activities are centered around theoretical, experimental, and observational research in basic science, with both industrial and academic. However, such information is critical for monitoring seismic activity and. Towards global earthquake early warning with the myshake smartphone seismic network part 2 understanding myshake performance around the world.
Probabilistic reservoir characterisation using 3d pdf of stochastic forward modelling results in vincent oil field. Cdp mapping and image reconstruction by using offset vsp data. Second vice president jie zhang 6 treasurer alison small 7 editor mauricio sacchi 8 chair of the council lee lawyer 12 director at large maurice nessim 12. Why 3d seismic data are an asset for exploration and mine planning.
Applying joint traveltime and waveform inversion to image. Recent journal of applied geophysics articles elsevier. Element 2 is something that seg and its members have always been engaged in but have not done a particularly good job of. Velocity tomography of weakness zones in the kevitsa nicupge mine, northern finland. The transportation research board is one of six major divisions of the national research council, which serves as an independent adviser to the federal government and others on scientific and technical questions of national importance. Senior research scientist, applied geophysics, eapserl. Jie zhang is the founder and chairman of geotomo and a professor at the university of science and technology in china, where he founded the geophysical research institute, increasing geophysics faculty members from five to 25 and graduate students from zero to 81.
Jie zhang is the founder and chairman of geotomo and a professor at. T connecting the world of applied geophysics who we are seg is dedicated to advancing the science of. Pdf seismic geometry quality control and corrections are crucial but labor intensive in seismic. The novemberdecember issue of geophysics contains 71 papers, including case histories from the united states, china, and others. Nonlinear refraction traveltime tomography geophysics. First, we examine the discrete problem finite number of data and unknowns, setting the problem in its fully nonlinear.
Engineering and environmental geophysics estimation of horizontaltovertical spectral ratios ellipticity of rayleigh waves from multistation activeseismic records binbin. Jie zhang in highway engineering, gpr is a nondestructive tool for measuring pavement layer thickness, moisture content of subgrade soils, and assessing other pavement conditions, such as moisture. Geophysical methods commonly employed for geotechnical site. This cited by count includes citations to the following articles in scholar. School of earth and space sciences, university of science and technology of china, hefei, anhui 230026, p. He founded geotomo in 1998, leading the company to develop innovative imaging technologies for discovering conventional and unconventional energy sources. For undershooting or overshooting results, repeat or interpolate. Locating earthquakes with a network of seismic stations via a deep. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Yang zhang geophysicist and project management chevron. Xiong zhang, jie zhang, congcong yuan, sen liu, zhibo chen. Numerical simulation is the most important way to study the nonlinear wave propagation in solid. Jianmin zhang, zhaofa zeng, yangang wu, wei du, yongzhi wang originalpaper a research on inverse gaussian beam stack imaging in 3d crosswell seismic of deviated well and its application.
Mit department of earth, atmospheric and planetary sciences. However, the numerical modeling for nonlinear seismic waves face with problems such as steep gradients, shocks and unphysical oscillations. Nearly half of the registered attendees come from three national oil companies. Laboratory of seismology and physics of earths interior, university of science and technology of china, hefei, anhui, p. Direct stress field estimation through waveform matching wenhuan kuang1 and jie zhang1 1department of geophysics, university of science and technology of china, hefei, anhui 230026, p. Firstarrival tomostatics and residual statics for nearsurface corrections. To learn about our use of cookies and how you can manage your cookie settings, please see our cookie policy. Borehole geophysics a sequential dynamic bayesian network for porepressure estimation with uncertainty quantification rachel h. View yang zhangs profile on linkedin, the worlds largest professional community. Acpd fine particles from independence day fireworks events. Unlock the social contribution of geophysics applied to energy, water, and the environment. Because zerooffset vsp vertical seismic profile data can only provide the information of rock properties and structure. Nonlinear refraction traveltime tomography geotomo.
Abstract numerical simulation is the most important way to study the nonlinear wave propagation in solid. John h bradford, president seg the society of exploration geophysicists sm 20152016 update. Download engineering geology for underground rocks by suping peng and jincai zhang engineering geology for underground rocks written by suping peng and jincai zhang deals with physical, geomechanical, and geophysical properties of underground rocks. Professor of geophysics ustc presidents representative north america director of geophysical research institute, ustc email. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Rui zhang is building new geophysical analysis techniques. New insights from geophysical data on the regional structure and geometry of the southwest thelon basin and its basement, northwest territories, canada. Papers published report the results of significant case histories and relevant original research in geophysics, with emphasis on the australian and similar environments. Jie zhang, direct stress field estimation through waveform matching, geophysical journal international. Probabilistic reservoir characterisation using 3d pdf. In this paper, we propose an anticorrelation method for removing harmonic distortion in vibroseis data. To study the impact of fireworks fw events on air quality, aerosol particles from fw displays were measured using a highresolution timeofflight aerosol mass spectrometer hrtofams and collocated instruments during the independence day july 4 holiday 2017 at albany, ny, usa.
We apply a joint firstarrival traveltime and earlyarrival waveform inversion method to image complex near surface structures in sichuan basin, china. Applying joint traveltime and waveform inversion to image the. Mit department of earth, atmospheric and planetary. Earthquake characteristics before eruptions of japans. It considers the coupled processes and diverse behaviours of underground rocks under various stresses and different fluid pressure. Ziang li, jie zhang, university of science and technology of china ustc summary. Jie zhang founder, chief scientist, and chairman dr. We are a community of more than 103,000 authors and editors from 3,291 institutions spanning 160 countries, including nobel prize winners and some of the worlds mostcited researchers.
For full access to this pdf, sign in to an existing account, or purchase an annual subscription. The regional hazard mapping for the whole eastern asia was coordinated by the ssb regional centre in beijing, originating from the expansion of the test area initially established in the border region of chinaindianepalmyanmar bangla dash, in coordination with the other regional centres jipe, moscow, and agso, canberra and with the direct assistance of the usgs. School of earth and space sciences, university of science and technology of china, hefei, anhui. The ones marked may be different from the article in the profile. Horizonbased semiautomated nonhyperbolic velocity analysis bo zhang 1, tao zhao, jie qi, and kurt j. Volume 15 issue 1 journal of geophysics and engineering. For full access to this pdf, sign in to an existing. However, the numerical modeling for nonlinear seismic waves face with problems such as stee. Due to migration of article submission systems, please check the status of your submitted manuscript in the relevant system below. See the complete profile on linkedin and discover yangs connections. The cycle time can be reduced drastically and hence the production efficiency can be increased significantly but harmonic distortion of one sweep will leak into the record of the other sweep.
See the complete profile on linkedin and discover jies connections. Geophysical methods commonly employed for geotechnical. By closing this message, you are consenting to our use of cookies. John castagna professor of geophysics, university of houston verified email at uh. Pdf 3d seismic geometry quality control and corrections by. First, we examine the discrete problem finite number of. Acpd fine particles from independence day fireworks. Connecting the world of applied geophysics 20162017 seg board of directors xianhuai zhu director at large maurice nessim director at large lee lawyer chair of the council rocky detomo director at large vladimir grechka director at large bill abriel president jie zhang 2nd vice president mauricio sacchi editor john bradford. Anisotropic effects have been widely considered in seismic subsurface imaging but rarely for the near. Nearly half of the registered attendees come from three national oil companies cnpc, sinopec, and cnooc and their subsidiaries in china. The transportation research board is one of six major divisions of the national research council, which serves as an independent adviser to the federal government and others on scientific and technical questions of. The area includes rugged topography and a large range of velocity variations in the nearsurface area. Connecting the world of applied geophysics seg smartbrief.
View jie zhangs profile on linkedin, the worlds largest professional community. Anisotropic effects on the near surface seismic imaging. Engineering and environmental geophysics estimation of horizontaltovertical spectral ratios ellipticity of rayleigh waves from multistation activeseismic records binbin mi, yue hu, jianghai xia, and laura valentina socco. Direct stress field estimation through waveform matching. Due to migration of article submission systems, please check the status of. Processing and analysis of hyperspectral data edited by jie chen. Realtime earthquake monitoring using a search engine method. Jie zhang sr geoscience advisor urc exxonmobil linkedin. Journal of geophysics and engineering, volume 15, issue 1, february 2018, pages 207223. Jie zhang university of science and technology of china. J geophys eng, volume 15, issue 1, february 2018, pages 207223. Jie zhang, professor and director of geophysical research institute.
Recently published articles from journal of applied geophysics. All journal articles featured in exploration geophysics vol 51 issue 3. Senior research scientist, applied geophysics, earth, atmospheric and planetary sciences eapsearth resources laboratory erl, to join a laboratory whose activities are centered around theoretical, experimental, and observational research in basic science, with both industrial and academic applications. Subscribe recommend to a librarian submit an article front matter sections. On the temporal relationship between coronal mass ejections and flares. The anticorrelation method for removing harmonic distortion. Nonlinear refraction and reflection travel time tomography zhang.
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