High-Frequency Spectra of Earthquakes and Explosions

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Publisher :
ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis High-Frequency Spectra of Earthquakes and Explosions by : F. J. Tanis

Download or read book High-Frequency Spectra of Earthquakes and Explosions written by F. J. Tanis and published by . This book was released on 1973 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: Existing seismic earthquake and explosion data have been analyzed as part of the near-field earthquake program. Source characteristics of small magnitude events were investigated to better understand earthquake/explosion discrimination techniques. Coda spectral analysis was found useful in determining source parameters from high-frequency data. Because of the large influence of path effect on spectral shape, the use of body wave data was found to present greater difficulties. Source parameters did not seem to be significantly different for explosions and earthquakes. Site location generally had a strong effect on source characteristics. (Author).

High Frequency Seismic Source Spectra from Earthquakes and Explosions

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Publisher :
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.:/5 (283 download)

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Book Synopsis High Frequency Seismic Source Spectra from Earthquakes and Explosions by : William Russell Walter

Download or read book High Frequency Seismic Source Spectra from Earthquakes and Explosions written by William Russell Walter and published by . This book was released on 1991 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Forensic Explosion Seismology

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Publisher : Cambridge Scholars Publishing
ISBN 13 : 1527547876
Total Pages : 531 pages
Book Rating : 4.5/5 (275 download)

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Book Synopsis Forensic Explosion Seismology by : So Gu Kim

Download or read book Forensic Explosion Seismology written by So Gu Kim and published by Cambridge Scholars Publishing. This book was released on 2020-03-02 with total page 531 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses three major physical phenomena for active source seismology, namely underwater explosions, underground nuclear explosions, and large-scale on-surface chemical explosions. In particular, contributors consider how to use the technologies and applications in active source seismology and seismo-acoustics, rather than the theoretical approach for the resolution of the forensic explosion seismology in the light of an application for defense sciences. The volume also presents seismological investigations of discrimination between earthquakes and man-made explosions.

Spectral Studies of the Elastic Wave Radiation from Appalachian Earthquakes and Explosions-Explosion Source Spectra Modeling Using Blaster's Logs

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ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Spectral Studies of the Elastic Wave Radiation from Appalachian Earthquakes and Explosions-Explosion Source Spectra Modeling Using Blaster's Logs by :

Download or read book Spectral Studies of the Elastic Wave Radiation from Appalachian Earthquakes and Explosions-Explosion Source Spectra Modeling Using Blaster's Logs written by and published by . This book was released on 1991 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: Objectives of this study are to model the observed spectra of seismic radiation from large industrial explosions using information obtained from blaster's logs, and to compare the explosion spectra with those of small earthquakes occurring in the same source region. The data set consists of digital waveforms from four mining explosions (200,000 + lbs of explosives each) and two earthquakes (M = 3.5,4.0) in eastern kentucky. Data were recorded on a short-period regional network at distances ranging from 180 to 400 km and have good signal-to-noise ratios at frequencies from 0.5 to 10 Hz. The explosion amplitude spectra were found to differ markedly from those of earthquakes, by exhibiting strong time-independent amplitude modulations. This spectra modulation is shown to be directly attributable to the explosive charge geometry and detonation sequence employed, and is independent of source-station path and recording site. Modeling the explosion source spectra shows that the major contributor to the modulated character of the spectra are amplitude minima at frequencies related to the total duration of the explosion sequence. Another important effect is spectral reinforcement at low frequencies (e.g., 5 Hz) due to the comparatively long delay (0.2 sec) between the firing of individual rows of explosives. These features dominate both Pg and Lg amplitude spectra at frequencies less than 7 Hz. Accurate modeling of the observed spectra at frequencies greater than a few Hertz requires the azimuth of the recording site be taken into account. Spectra at higher frequencies become sensitive to random variations in the firing times of any of the various sub-explosions.

Hydrodynamics of Explosion

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Publisher : Springer Science & Business Media
ISBN 13 : 3540285636
Total Pages : 372 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Hydrodynamics of Explosion by : Valery K. Kedrinskiy

Download or read book Hydrodynamics of Explosion written by Valery K. Kedrinskiy and published by Springer Science & Business Media. This book was released on 2005-11-04 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydronamics of Explosion presents the research results for the problems of underwater explosions and contains a detailed analysis of the structure and the parameters of the wave fields generated by explosions of cord and spiral charges, a description of the formation mechanisms for a wide range of cumulative flows at underwater explosions near the free surface, and the relevant mathematical models. Shock-wave transformation in bubbly liquids, shock-wave amplification due to collision and focusing, and the formation of bubble detonation waves in reactive bubbly liquids are studied in detail. Particular emphasis is placed on the investigation of wave processes in cavitating liquids, which incorporates the concepts of the strength of real liquids containing natural microinhomogeneities, the relaxation of tensile stress, and the cavitation fracture of a liquid as the inversion of its two-phase state under impulsive (explosive) loading. The problems are classed among essentially nonlinear processes that occur under shock loading of liquids and may be of interest to researchers in physical acoustics, mechanics of multiphase media, shock-wave processes in condensed media, explosive hydroacoustics, and cumulation.

RMS Lg Studies of Underground Nuclear Explosions in the U.S.S.R. and the U.S.

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Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis RMS Lg Studies of Underground Nuclear Explosions in the U.S.S.R. and the U.S. by : P. G. Richards

Download or read book RMS Lg Studies of Underground Nuclear Explosions in the U.S.S.R. and the U.S. written by P. G. Richards and published by . This book was released on 1993 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Identification of Seismic Sources — Earthquake or Underground Explosion

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Publisher : Springer Science & Business Media
ISBN 13 : 9400985312
Total Pages : 867 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Identification of Seismic Sources — Earthquake or Underground Explosion by : Eystein S. Husebye

Download or read book Identification of Seismic Sources — Earthquake or Underground Explosion written by Eystein S. Husebye and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 867 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of this NATO Advanced Study Institute was seismic monitoring under a nuclear test ban - an application of scienti fic knowledge and modern technology for a political purpose. The international political objective of a comprehensive nuclear test ban provided in turn the motivation for our technical and scientific discussions. In order to obtain a historical perspec tive on the progress of the work towards a comprehensive test-ban treaty (CTB), it is necessary to go back to 1958, when a confer ence of scientific experts in Geneva made the first steps toward an international seismic monitoring system. However, agreement on actual capabilities of a monitoring system for verifying compliance with such a treaty was not achieved, and thus the conference did not lead to immediate political results. After the Partial Test Ban Treaty of 1963, which banned nuclear explosions in the atmosphere, outer space and under the seas, renewed interest in the seismological verification of a CTB took place. A number of countries initiated large-scale research efforts toward detecting and identifying underground nuclear explosions, and it was in this context that the large aperture seismic arrays NORSAR and LASA were established. This type of development resulted in excellent seismic data in digital form and was thus of great irnprotance to the seismological com munity.

Department of Defense authorization for appropriations for fiscal years 1988 and 1989

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ISBN 13 :
Total Pages : 998 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Department of Defense authorization for appropriations for fiscal years 1988 and 1989 by : United States. Congress. Senate. Committee on Armed Services

Download or read book Department of Defense authorization for appropriations for fiscal years 1988 and 1989 written by United States. Congress. Senate. Committee on Armed Services and published by . This book was released on 1987 with total page 998 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spectral Analysis in Geophysics

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Publisher : Elsevier
ISBN 13 : 0444599983
Total Pages : 580 pages
Book Rating : 4.4/5 (445 download)

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Book Synopsis Spectral Analysis in Geophysics by : B.M. Båth

Download or read book Spectral Analysis in Geophysics written by B.M. Båth and published by Elsevier. This book was released on 2012-12-02 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spectral Analysis in Geophysics

Monitoring a Comprehensive Test Ban Treaty

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Publisher : Springer Science & Business Media
ISBN 13 : 9401104190
Total Pages : 843 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Monitoring a Comprehensive Test Ban Treaty by : Eystein S. Husebye

Download or read book Monitoring a Comprehensive Test Ban Treaty written by Eystein S. Husebye and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 843 pages. Available in PDF, EPUB and Kindle. Book excerpt: An international treaty banning the testing of any nuclear device in any environment - a comprehensive test ban treaty (CTBT) - has been on the political agenda for nearly 40 years. Objections to a CTBT have been political, technical, or a combination of both. However, the possibilities seem better after the end of the Cold War. In the prevailing, cooperative disarmament climate a CTBT appears likely to be approved by most countries in 1996. Hence the great current interest in monitoring technologies and capabilities. Such issues are comprehensively addressed here, a preamble being devoted to the political developments and setbacks over the past 40 years. Since seismic means are considered the dominant monitoring element, they are explored in detail. Contributions cover network deployments, advanced signal processing, wave propagation in heterogeneous media, and seismic source representations, and a variety of techniques for source classification (including neural networks). Complementary monitoring techniques, such as hydroacoustics, radionuclides and infrasound, are also summarised. The IAEA operation for monitoring compliance with the Non-Proliferation Treaty is also presented. The book also includes eyewitness accounts of the Soviet 50 Mt megabomb development and test, as well as the efforts made by the state to monitor the nuclear test programmes of the western powers. Includes some 33 articles written by distinguished scientists active in CTBT monitoring research for decades.

Monitoring the Comprehensive Nuclear-Test-Ban Treaty: Seismic Event Discrimination and Identification

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Publisher : Springer
ISBN 13 : 303488169X
Total Pages : 285 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Monitoring the Comprehensive Nuclear-Test-Ban Treaty: Seismic Event Discrimination and Identification by : William R. Walter

Download or read book Monitoring the Comprehensive Nuclear-Test-Ban Treaty: Seismic Event Discrimination and Identification written by William R. Walter and published by Springer. This book was released on 2013-04-18 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: In September 1996, the United Nations General Assembly adopted the Comprehensive Nuclear-Test-Ban Treaty (CTBT), prohibiting nuclear explosions worldwide, in all environments. The treaty calls for a global verification system, including a network of 321 monitoring stations distributed around the globe, a data communications network, an international data center, and onsite inspections, to verify compliance. The problem of identifying small-magnitude banned nuclear tests and discriminating between such tests and the background of earthquakes and mining-related seismic events, is a challenging research problem. Because they emphasize CTBT verification research, the 12 papers in this special volume primarily addresses regional data recorded by a variety of arrays, broadband stations, and temporarily deployed stations. Nuclear explosions, earthquakes, mining-related explosions, mine collapses, single-charge and ripple-fired chemical explosions from Europe, Asia, North Africa, and North America are all studied. While the primary emphasis is on short-period, body-wave discriminants and associated source and path corrections, research that focuses on long-period data recorded at regional and teleseismic distances is also presented Hence, these papers demonstrate how event identification research in support of CTBT monitoring has expanded in recent years to include a wide variety of event types, data types, geographic regions and statistical techniques.

Energy Research Abstracts

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Publisher :
ISBN 13 :
Total Pages : 508 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1992-10 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Symposium on Engineering with Nuclear Explosives, Jaunary 14-16, 1970, Las Vegas, Nevada

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ISBN 13 :
Total Pages : pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Symposium on Engineering with Nuclear Explosives, Jaunary 14-16, 1970, Las Vegas, Nevada by :

Download or read book Symposium on Engineering with Nuclear Explosives, Jaunary 14-16, 1970, Las Vegas, Nevada written by and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Seismic Signals from Mining Operations and the Comprehensive Test Ban Treaty

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Publisher : National Academies Press
ISBN 13 : 0309061784
Total Pages : 68 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Seismic Signals from Mining Operations and the Comprehensive Test Ban Treaty by : National Research Council

Download or read book Seismic Signals from Mining Operations and the Comprehensive Test Ban Treaty written by National Research Council and published by National Academies Press. This book was released on 1998-08-16 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Handbook of Earthquake & Engineering Seismology, Part A

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Publisher : Elsevier
ISBN 13 : 0080489222
Total Pages : 994 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis International Handbook of Earthquake & Engineering Seismology, Part A by : William H.K. Lee

Download or read book International Handbook of Earthquake & Engineering Seismology, Part A written by William H.K. Lee and published by Elsevier. This book was released on 2002-09-27 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern scientific investigations of earthquakes began in the 1880s, and the International Association of Seismology was organized in 1901 to promote collaboration of scientists and engineers in studying earthquakes. The International Handbook of Earthquake and Engineering Seismology, under the auspices of the International Association of Seismology and Physics of the Earth's Interior (IASPEI), was prepared by leading experts under a distinguished international advisory board and team of editors.The content is organized into 56 chapters and includes over 430 figures, 24 of which are in color. This large-format, comprehensive reference summarizes well-established facts, reviews relevant theories, surveys useful methods and techniques, and documents and archives basic seismic data. It will be the authoritative reference for scientists and engineers and a quick and handy reference for seismologists.Also available is The International Handbook of Earthquake and Engineering Seismology, Part B.

Bulletin of the Seismological Society of America

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ISBN 13 :
Total Pages : 712 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Bulletin of the Seismological Society of America by :

Download or read book Bulletin of the Seismological Society of America written by and published by . This book was released on 1977 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: