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Crustal And Upper Mantle Structure Beneath The Southeastern United States From Joint Inversion Of Rayleigh Wave Dispersion And Receiver Functions
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Book Synopsis Crustal and Upper Mantle Structure Beneath the Southeastern United States from Joint Inversion of Rayleigh Wave Dispersion and Receiver Functions by : Qiuyue Yang
Download or read book Crustal and Upper Mantle Structure Beneath the Southeastern United States from Joint Inversion of Rayleigh Wave Dispersion and Receiver Functions written by Qiuyue Yang and published by . This book was released on 2021 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In spite of numerous geophysical investigations have been conducted in southeastern United States, the structure and evolution of the crust and lithospheric mantle remain controversial due the thick sedimentary covers atop the crust of the coastal plains there. In this study, we use data from 186 broadband seismic stations belonging to the USArray Transportable Array to construct a 3-D shear wave velocity model for the southeastern United States for the top 180 km by a joint inversion of Rayleigh wave phase velocity dispersion and receiver functions. Our results show a clear spatial correspondence with major surficial geological features. A prominent low velocity anomaly observed in the depth range of 0 to 25 km beneath the eastern Gulf Coastal Plain suggests the existence of thick sediments atop the crystalline crust. The eastern side of the southern Appalachian Mountains is characterized by low crustal Vp/Vs, thin crust, and slow lower crustal velocities, which may be caused by lower crustal delamination followed by relamination. Beneath the Osceola intrusive complex located at the central Suwannee Terrane, our results show low Vp/Vs measurements and seismically fast lower crust, which are attributable to eclogites in the lower crust. The Grenville Province and a narrow zone to its east possess relatively higher Vp/Vs values comparing with the surrounding areas, which can be attributed to mafic intrusion associated with crustal extension in the recently recognized eastern arm of the Proterozoic Midcontinent Rift. According to the isostasy theory, we estimate the density variations from the resulting velocity anomalies in the top 180 km, which indicate that contributions from density anomalies in greater depths are required to reach isostatic balance"--Abstract, page iv.
Book Synopsis The Crustal and Upper Mantle Shear Velocity Structure of Eastern North America from the Joint Inversion of Receiver Function and Surface-wave Dispersion by : Mohammed Saeed Fnais
Download or read book The Crustal and Upper Mantle Shear Velocity Structure of Eastern North America from the Joint Inversion of Receiver Function and Surface-wave Dispersion written by Mohammed Saeed Fnais and published by . This book was released on 2004 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Treatise on Geophysics written by and published by Elsevier. This book was released on 2015-04-17 with total page 5604 pages. Available in PDF, EPUB and Kindle. Book excerpt: Treatise on Geophysics, Second Edition, is a comprehensive and in-depth study of the physics of the Earth beyond what any geophysics text has provided previously. Thoroughly revised and updated, it provides fundamental and state-of-the-art discussion of all aspects of geophysics. A highlight of the second edition is a new volume on Near Surface Geophysics that discusses the role of geophysics in the exploitation and conservation of natural resources and the assessment of degradation of natural systems by pollution. Additional features include new material in the Planets and Moon, Mantle Dynamics, Core Dynamics, Crustal and Lithosphere Dynamics, Evolution of the Earth, and Geodesy volumes. New material is also presented on the uses of Earth gravity measurements. This title is essential for professionals, researchers, professors, and advanced undergraduate and graduate students in the fields of Geophysics and Earth system science. Comprehensive and detailed coverage of all aspects of geophysics Fundamental and state-of-the-art discussions of all research topics Integration of topics into a coherent whole
Book Synopsis Joint inversion and imaging in geophysics by : Jianzhong Zhang
Download or read book Joint inversion and imaging in geophysics written by Jianzhong Zhang and published by Frontiers Media SA. This book was released on 2023-09-08 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Geophysical Research by :
Download or read book Journal of Geophysical Research written by and published by . This book was released on 2003 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismology and Structure of the Earth by : Barbara Romanowicz
Download or read book Seismology and Structure of the Earth written by Barbara Romanowicz and published by Elsevier. This book was released on 2010-04-20 with total page 873 pages. Available in PDF, EPUB and Kindle. Book excerpt: Treatise on Geophysics: Seismology and Structure of the Earth, Volume 1, provides a comprehensive review of the state of knowledge on the Earths structure and earthquakes. It addresses various aspects of structural seismology and its applications to other fields of Earth sciences. The book is organized into four parts. The first part principally covers theoretical developments and seismic data analysis techniques from the end of the nineteenth century until the present, with the main emphasis on the development of instrumentation and its deployment. The second part reviews the status of knowledge on the structure of the Earths shallow layers, starting with a global review of the Earth's crustal structure. The third part focuses on the Earth's deep structure, divided into its main units: the upper mantle, the transition zone and upper-mantle discontinuities, the D region at the base of the mantle, and the Earth's core. The fourth part comprises two chapters which discuss constraints on Earth structure from fields other than seismology: mineral physics and geodynamics. - Self-contained volume starts with an overview of the subject then explores each topic with in depth detail - Extensive reference lists and cross references with other volumes to facilitate further research - Full-color figures and tables support the text and aid in understanding - Content suited for both the expert and non-expert
Book Synopsis Lithospheric Discontinuities by : Huaiyu Yuan
Download or read book Lithospheric Discontinuities written by Huaiyu Yuan and published by John Wiley & Sons. This book was released on 2018-10-24 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multidisciplinary update on continental plate tectonics and plate boundary discontinuities Understanding the origin and evolution of the continental crust continues to challenge Earth scientists. Lithospheric Discontinuities offers a multidisciplinary review of fine scale layering within the continental lithosphere to aid the interpretation of geologic layers. Once Earth scientists can accurately decipher the history, internal dynamics, and evolution of the continental lithosphere, we will have a clearer understanding of how the crust formed, how plate tectonics began, and how our continents became habitable. Volume highlights: Theories and observations of the current state of tectonic boundaries and discontinuities Contributions on field observations, laboratory experiments, and geodynamic predictions from leading experts in the field Mantle fabrics in response to various mantle deformation processes Insights on fluid distribution using geophysical observations, and thermal and viscosity constraints from dynamic modeling Discontinuities associated with lithosphere and lithosphere-asthenosphere boundary An integrated study of the evolving physical and chemical processes associated with lithosphere asthenosphere interaction Written for academic and researchgeoscientists, particularly in the field of tectonophysics, geophysicists, geodynamics, seismology, structural geology, environmental geology, and geoengineering, Lithospheric Discontinuities is a valuable resource that sheds light on the origin and evolution of plate interaction processes.
Book Synopsis Lithospheric diversity: New perspective on structure, composition and evolution by : Weijia Sun
Download or read book Lithospheric diversity: New perspective on structure, composition and evolution written by Weijia Sun and published by Frontiers Media SA. This book was released on 2023-05-18 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Modelling of Earth Structure by : E. Boschi
Download or read book Seismic Modelling of Earth Structure written by E. Boschi and published by Compositori. This book was released on 1996 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis China Seismic Experimental Site by : Yong-Gang Li
Download or read book China Seismic Experimental Site written by Yong-Gang Li and published by Springer Nature. This book was released on 2022-05-10 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces an integrated conceptual framework of the China Seismic Experimental Site (CSES), describes its scientific challenges and research priorities, and reports preliminary results coming out of observational infrastructure in seismology, tectonophysics, geodesy, geophysics and geochemistry. Preliminary community fault model, community velocity model, and community strain rate model in the CSES are described in this book. A multidisciplinary test observation system includes GNSS, seismic array, and deep drilling system under construct around middle segment of the Xiansuihe-Xiaojiang fault and other seismogenic faults in the CSES which are also introduced. This book introduces multidisciplinary topics and a wide spectrum of solid earth system to describe various disciplines, methods, and techniques through the CSES. This book presents a vision of the CSES that is dedicated to deepen the scientific understanding of continental earthquake preparation and occurrence and enhance the disaster resilience of the society. It aims at establishing a field laboratory of earthquake science, in which international and interdisciplinary cooperation could be fostered and supported. Contents of this book include the following: • History of Seismic Experiment Sites in the World. • Launching of CSES Project: Seismicity, Existed Earthquake Monitoring Networks, and Historical Seismic Disasters. • Seismotectonics and Geodynamics of the Eastern Margin of the Tibetan Plateau with Implication for the CSES. • Theoretical Framework of CSES in View of Natural Science and in view of Social Science. • Updated Earthquake Monitoring Network in China. • CSES Community Models of Geology, Structure, and Deformation. • Earthquake Forecasting Models. • CSES Products: Massive Data Procession and Distribution. • A Review of the Field Expedition of the June 17, 2019, Changning, Sichuan, M6.0 Earthquake. • Rupture Structure and Earthquake Risk of the South Longmenshan Fault Viewed by Guided Waves. • Seismic Risk Assessment. • Model of a Seismic Experimental Site with Application to the Comparative Study between CSES and ASES.
Book Synopsis Spring Meeting by : American Geophysical Union. Meeting
Download or read book Spring Meeting written by American Geophysical Union. Meeting and published by . This book was released on 1996 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geohazards written by Sandeep and published by Springer Nature. This book was released on 2023-08-26 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive analysis of diverse aspects of geohazards. The growing vulnerability and exposure to failures in risk reduction and policy-making increases the severity of geohazard impacts by many folds. Therefore, detailed geohazard analysis, modelling and forecasting are needed to reduce the impacts of extreme events.An interdisciplinary approach to hazard mitigation provides an advanced tool for risk reduction. The book thus summarizes recent modelling and analysis techniques for hazard assessment and risk mitigation. Topics discussed in the book are hazard and risk associated with earthquakes, vulnerability assessment for landslides and avalanches, the assessment of tsunami risk in coastal regions, the implementation of early warning systems to prevent catastrophic consequences, climate change risk modelling and risk communication. The convergent approach with the aspects of natural, engineering, and social sciences attracts a vast audience working to advance disaster science. This book also significantly facilitates the acquisition of policy-relevant knowledge for risk reduction, which is beneficial to the general public.
Book Synopsis Theoretical Global Seismology by : F. A. Dahlen
Download or read book Theoretical Global Seismology written by F. A. Dahlen and published by Princeton University Press. This book was released on 2020-08-04 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt: After every major earthquake, the Earth rings like a bell for several days. These free oscillations of the Earth and the related propagating body and surface waves are routinely detected at broad-band seismographic stations around the world. In this book, F. A. Dahlen and Jeroen Tromp present an advanced theoretical treatment of global seismology, describing the normal-mode, body-wave, and surface-wave methods employed in the determination of the Earth's three-dimensional internal structure and the source mechanisms of earthquakes. The authors provide a survey of both the history of global seismological research and the major theoretical and observational advances made in the past decade. The book is divided into three parts. In the first, "Foundations," Dahlen and Tromp give an extensive introduction to continuum mechanics and discuss the representation of seismic sources and the free oscillations of a completely general Earth model. The resulting theory should provide the basis for future scientific discussions of the elastic-gravitational deformation of the Earth. The second part, "The Spherical Earth," is devoted to the free oscillations of a spherically symmetric Earth. In the third part, "The Aspherical Earth," the authors discuss methods of dealing with the Earth's three-dimensional heterogeneity. The book is concerned primarily with the forward problem of global seismology--detailing how synthetic seismograms and spectra may be calculated and interpreted. As a long-needed unification of theories in global seismology, the book will be important to graduate students and to professional seismologists, geodynamicists, and geomagnetists, as well as to astronomers who study the free oscillations of the Sun and other stars.
Download or read book Seismological Research Letters written by and published by . This book was released on 2003 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proterozoic Crustal Evolution by : K.C. Condie
Download or read book Proterozoic Crustal Evolution written by K.C. Condie and published by Elsevier. This book was released on 1993-02-03 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a final product of the International Geological Correlation Program (IGCP) Project 217, this volume brings together significant advances in the understanding of Proterozoic crustal evolution. This IGCP Project focussed on nine research objectives: 1) Comparison of Archean and Proterozoic supracrustal assemblages to more fully understand differences between Archean and post-Archean tectonic regimes; 2) To more fully understand the geochemical differences between Archean and post-Archean sediments and to evaluate the various factors that control sediment composition; 3) From combined U/Pb zircon and whole-rock Sm/Nd studies, to see if the apparent 2.4-2.0 continental crust "generation gap" is real; 4) To employ new techniques in the dating of individual zircons to more fully understand Proterozoic tectonic history and the role of crustal reworking; 5) From trace element ratios and Nd isotopic data from basalts, to better understand Proterozoic mantle evolution; 6) To encourage more detailed studies of the anorogenic granite-anorthosite association to better understand its origin and significance in terms of crustal evolution; 7) From combined Nd, Pb, and Sr isotopic data, to more precisely estimate the amount of new continental crust formed during the Proterozoic; 8) To encourage joint P-T and geochronological studies of Proterozoic and high-grade terranes to better understand Proterozoic orogenesis: and 9) To try and understand why hydrothermal precious metal deposits are relatively rare in the Proterozoic compared to both the Archean and the Phanerozoic. The book should be of interest to professionals in the geosciences (especially geochemists, petrologists and structural geologists) and graduate students in the same fields.
Book Synopsis Volcanism and Evolution of the African Lithosphere by : Luigi Beccaluva
Download or read book Volcanism and Evolution of the African Lithosphere written by Luigi Beccaluva and published by Geological Society of America. This book was released on 2011-01-01 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 1006 pages. Available in PDF, EPUB and Kindle. Book excerpt:
