Tian xia, anbu venkatachalam, yu zhang, dylan burns, and dryver huston, performance enhanced high speed uwb gpr system for buried rebar detection, symposium on the application of geophysics to engineering and environmental problems 20, denver, colorado, usa, mar 20. The main aim of the workshop is to demonstrate and discuss lessons learned and progress in geophysical techniques in smart city applications and methods, with an emphasis on interdisciplinary. Yu zhang, cggveritas, guanqaun zhang, chinese academy of sciences, david yingst and james sun, cggveritas summary in this abstract we propose a new method to solve the twoway wave equation which we call the explicit marching em algorithm. Wri method expands the searching space by introducing the wave equation into the objective function and reconstructing the wavefield to update model parameters, thereby improving the computing efficiency and mitigating the influence of the local minimum. Yu zhang doctor central south university, changsha csu. Improving the quality of prestack inversion by prestack data conditioning. Zhang yuwuhan university school of geodesy and geomatics. Sun jinheng from institute of geology and geophysics at chinese academy of sciences and dr. Tem tem1d layeredearth tem response abstract manual pdf.
Threeparameter prestack seismic inversion based on l12 minimization, lingqian wang, hui zhou, yufeng wang, bo yu, yuanpeng zhang, wenling liu, and yangkang chen, geophysics, 84. Department of geosciences princeton university guyot hall princeton nj 08544 contact information. Hao zhang department of geology and geophysics, university of utah 2264 foothill dr, e201 salt lake city, ut 84109 phone. The loess plateau, characterized by its thick loess soils of depth from 30 m to 80 m zhu et al. See the complete profile on linkedin and discover yu s connections and.
Seismological research letters 90 2a, 553562, 2019. The geospeedometer has been calibrated at cooling rate of 10. View yu zhangs profile on linkedin, the worlds largest professional community. Recent journal of applied geophysics articles elsevier. Observations and suggested mechanisms for generation of lowfrequency seismic anomalies. See the complete profile on linkedin and discover yangs connections. David,pardo, carlos,torres verdin, and zhiyi,zhang, sensitivity study of boreholetosurface and crosswell electromagnetic measurements acquired with energized steel casing to water displacement in hydrocarbonbearing layers, geophysics, vol. Phone 6092584101 fax 6092585275 email secondary menu. Direct inversion of surface wave dispersion for three. It provides fertile ground for people such as yu, who want to see their work make a difference in the real world. Xu, sheng, yu zhang, and gilles lambare, 2010, antileakage fourier transform for seismic data regularization in higher dimensions. Laboratory of computer science institute of software, chinese academy of sciences iscas. Latest geophysics journal news 16th june 2012 admin geophysics, journal, latest, news cuoro intersects 12 metres of 4.
Rui zhang is building new geophysical analysis techniques. Zhang jian from the tianjin institute of geology and mineral resources for constructive comments. Greg beroza department of geophysics, stanford university verified email at stanford. Silicate melt properties and volcanic eruptions zhang. Singleshot seismic data could be decoded and the geometry could be loaded quickly. By introducing a squareroot operator, the twoway wave equation can be formulated as a firstorder. Borehole geophysics a sequential dynamic bayesian network for porepressure estimation with uncertainty quantification rachel h. Quantification and op timization of parameter uncertainty in the gridpoint atmospheric model gamil2j. Faculty of geosciences and environmental engineering. Extracting 3d ground deformation velocity field by multiplatform persistent scatterer sar interferometry.
Founded in 1930, seg fosters the expert and ethical practice pf geophysics in the exploration and development of natural resources, in characterizing the near surface and in mitigating earth hazards. Yu, xiangjiang, baochun huang, shuwei guan, suotang fu, feng cheng, xiang cheng, tuo zhang, and zhaojie guo. Ep33d06 landscape evolution from a critical zone science perspective ii, presented at 2015 fall meeting, agu, san francisco, ca, 1418 dec. Nan zhang peking university, beijing pku solid earth.
The rock pore space in many subsurface settings is saturated with water and one or more immiscible fluid phases. Explicit marching method for reversetime migration yu. Examples include nonaqueous phase liquids napls in contaminated aquifers, supercritical co 2 during sequestration in deep saline aquifers, the vadose zone, and hydrocarbon reservoirs. The maurice ewing medal shall be awarded from time to time to a person who, by a unanimous vote of both the honors and awards committee and the board of directors, is deserving of segs highest honor through having made distinguished contributions both to the advancement of the science and to the profession of exploration geophysics. Zhang, yu, rudy l slingerland, yuning shi, christopher duffy and nicole west 2015. Yufeng wang, hui zhou, xuebin zhao, qingchen zhang, poru zhao, xiance yu, and yangkang chen title. Zhang x, xu y, lin q, qiao b, zhang h, dang y, et al.
Well trained by taking nearly 20 different geophysics related courses. Examples from the johan sverdrup field, central north sea norwegian sector. Excessive afforestation and soil drying on chinas loess plateau. Implication for cenozoic tectonic transition and depocenter migration. Explicit marching method for reversetime migration yu zhang. Jan 17, 2017 the magnetic interface forward and inversion method is realized using the taylor series expansion to linearize the fourier transform of the exponential function. Tian xia, anbu venkatachalam, yu zhang, dylan burns, and dryver huston, performance enhanced high speed uwb gpr system for buried rebar detection, symposium on the application of geophysics to engineering and environmental. Faculty at the university of science and technology of china. View yu zhang s profile on linkedin, the worlds largest professional community. Zhang won the seg award for best paper in geophysics in 2005 with guanquan zhang and norman bleistein. The university of science and technology of china ustc is under the jurisdiction of the chinese academy of sciences cas. Excessive afforestation and soil drying on chinas loess.
See the complete profile on linkedin and discover yangs connections and jobs at similar companies. Citescore values are based on citation counts in a given year e. A methodology to derive precise landslide displacements from gps observations in tectonically active and cold regions. Associate professor hongyu zhang staff profile the. 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. See the complete profile on linkedin and discover yus connections and. As a key university of the nation, it is noted for its advanced science and high technology programs, unique management studies and welltailored disciplines in the humanities. Seismicity induced by simultaneous abrupt changes of injection rate and well pressure in hutubi gas field. Geopytool is software that is still under development, bug reports are gratefully accepted. Seg technical program expanded abstracts 20, 8488, 20. Sci 4 rui zhang, guoxiang liu, bing yu, hongguo jia.
Yu zhang doctor central south university, changsha. Magnetic interface forward and inversion method based on pade. If you note any errors on this list or would like to update any information, please forward the information to. K wang, wl ellsworth, gc beroza, g williams, m zhang, d schroeder. Zhang and xu, 2007, a variation of 8 orders of magnitude. Timedomain wavefield reconstruction inversion springerlink. Feng h, qian y, gallagher fj, zhang w, yu l, liu cj, jones kw, tappero r 2016 synchrotron microscale study of metal transport and distributions in p. A new hydrologicmorphodynamic model for regolith formation and landscape evolution.
Alumni listing 1990 1999 the following is a record of graduates of the department of earth and atmospheric sciences, organized by year, name, degree and major. Rong zhang senior scientist, ocean and cryosphere division, gfdl, noaa faculty member, aos program, princeton university email. It is effective in our practice to remove the surge noise. As a key university of the nation, it is noted for its advanced science and high technology programs, unique management studies and. Yang zhang senior software engineer askuity linkedin. The main theme of my research is to improve software quality and productivity by utilizing knowledge mined from software data. Yu zhang of conocophillips, houston read 68 publications contact yu zhang. Removing the surge noise and multiple wave is a difficult job in marine seismic data processing. Exploration geophysics, reflection seismology, inverse theory, co 2 sequestration. Zonge software for geophysical data processing and modeling. Geoscience manuscripts that do not contain a significant computer science innovation.
Anisotropy of magnetic susceptibility of eocene and miocene sediments in the qaidam basin, northwest china. People department of geosciences princeton university. Wavefield reconstruction inversion wri is an improved full waveform inversion theory that has been proposed in recent years. Streaming potential during drainage and imbibition zhang. The januaryfebruary issue of geophysics contains 57 papers, including case histories from brazil and the north sea. Their combined citations are counted only for the first article. This workshop has the ambition to influence the smart city practice in the alreadybuilt cities in asia such as singapore, hong kong, tokyo, taipei, beijing, and around the world. We use cookies to make interactions with our website easy and meaningful, to better understand the use of our. A cudabased code package for stable and efficient qcompensated reverse time migration citation. Yue zhang geosolution geophysicist schlumberger linkedin.
View yang zhangs profile on linkedin, the worlds largest professional community. The equilibrium constant of reaction increases with temperature. Source fields are excited by a ramped current step in a large, rectangular transmitter loop placed. Regulation of mirna abundance by rna binding protein tough in arabidopsis.
Membership 2010present member of american geophysical union 2010present member of seismological society of america programming languages and skills pro. A quick learner of various geophysical software and skilled in hampsonrussell, opendtect, arcgis, promax and gipsy. Pure analytical developments are not considered, unless they have significant implications on computational geoscientific problems. Engineering and environmental geophysics new insights into the mechanisms of seismicity in the azle area, north texas rongqiang chen, xu xue, jaeyoung park, akhil dattagupta, and michael j. Rong zhang homepage geophysical fluid dynamics laboratory. The dna and rna binding protein factor of dna methylation 1 requires xh domainmediated complex formation for its function in rnadirected dna methylation. Threeparameter prestack seismic inversion based on l12 minimization,lingqian wang, hui zhou, yufeng wang, bo yu. Yang zhang geophysicist and project management chevron. Proceeding of the 21st acm sigsoft international symposium on foundations of software engineeringfse 20, saint petersburg, russian, p703706, 20. View yue zhangs profile on linkedin, the worlds largest professional community. Direct inversion of surface wave dispersion for threedimensional shallow crustal structure based on ray tracing.
Over the years, a software organization could accumulate a large amount of data including source code, bug reports, execution logs, changes, metrics, documents, and so on. It provides enormous opportunity for crossfertilization of ideas and crossdisciplinary communication. With a large expansion step and unbounded neighborhood, the taylor series is not convergent, and therefore, this paper presents the magnetic interface forward and inversion method based on pade approximation instead of the taylor. Wri method expands the searching space by introducing the wave equation into the objective function and reconstructing the wavefield to update model parameters, thereby improving the computing efficiency and mitigating the. Honors and awards bestowed by the society of exploration.