Monitoring The Comprehensive Nuclear Test Ban Treaty Data Processing And Infrasound
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Monitoring the Comprehensive Nuclear-Test-Ban Treaty: Data Processing and Infrasound by Zoltan A. Der,Robert H. Shumway,Eugene T. Herrin Pdf
On September 10, 1996, The United Nations General Assembly adopted the Copmprehensive 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 (IDC), and on-site inspections, to verify compliance. This volume presents certain recent research results pertaining on methods used to process data recorded by instruments of the International Monitoring System (IMS) and addressing recording infrasound signals generated by atmospheric explosions. Six papers treating data processing provide an important selection of topics expected to contribute to improving our ability to successfully monitor a CTBT. Five papers concerning infrasound include descriptions of ways in which that important research area can contribute to CTBT monitoring, the automatic processing of infrasound data, and site conditions that serve to improve the quality of infrasound data.
National Research Council,Division on Earth and Life Studies,Commission on Geosciences, Environment and Resources,Panel on Basic Research Requirements in Support of Comprehensive Test Ban Monitoring
Author : National Research Council,Division on Earth and Life Studies,Commission on Geosciences, Environment and Resources,Panel on Basic Research Requirements in Support of Comprehensive Test Ban Monitoring Publisher : National Academies Press Page : 150 pages File Size : 51,7 Mb Release : 1997-08-01 Category : Political Science ISBN : 9780309174503
Research Required to Support Comprehensive Nuclear Test Ban Treaty Monitoring by National Research Council,Division on Earth and Life Studies,Commission on Geosciences, Environment and Resources,Panel on Basic Research Requirements in Support of Comprehensive Test Ban Monitoring Pdf
On September 24, 1996, President Clinton signed the Comprehensive Nuclear Test Ban Treaty at the United Nations Headquarters. Over the next five months, 141 nations, including the four other nuclear weapon statesâ€"Russia, China, France, and the United Kingdomâ€"added their signatures to this total ban on nuclear explosions. To help achieve verification of compliance with its provisions, the treaty specifies an extensive International Monitoring System of seismic, hydroacoustic, infrasonic, and radionuclide sensors. This volume identifies specific research activities that will be needed if the United States is to effectively monitor compliance with the treaty provisions.
Frode Ringdal,Brian L.N. Kennett,Catherine de Groot-Hedlin,John Orcutt,Howard J. Patton,Brian J. Mitchell,Göran Ekström,Marvin Denny,John R. Murphy,Anatoli L. Levshin,Michael H. Ritzwoller,William Walter,Hans E. Hatse,Zoltan A. Der,Robert H. Shumway,Eugene T. Herrin
Author : Frode Ringdal,Brian L.N. Kennett,Catherine de Groot-Hedlin,John Orcutt,Howard J. Patton,Brian J. Mitchell,Göran Ekström,Marvin Denny,John R. Murphy,Anatoli L. Levshin,Michael H. Ritzwoller,William Walter,Hans E. Hatse,Zoltan A. Der,Robert H. Shumway,Eugene T. Herrin Publisher : Birkhäuser Page : 0 pages File Size : 49,8 Mb Release : 2002-09-26 Category : Science ISBN : 3764369361
Monitoring the Comprehensive Nuclear-Test-Ban Treaty by Frode Ringdal,Brian L.N. Kennett,Catherine de Groot-Hedlin,John Orcutt,Howard J. Patton,Brian J. Mitchell,Göran Ekström,Marvin Denny,John R. Murphy,Anatoli L. Levshin,Michael H. Ritzwoller,William Walter,Hans E. Hatse,Zoltan A. Der,Robert H. Shumway,Eugene T. Herrin Pdf
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 centre (IDC), and on-site inspections, to verify compliance. This set of 7 volumes contains research papers focusing on seismic event location, hydroacoustics, regional wave propagation and crustal structure, source processes and explotion yield estimation, surface waves, seismic event discrimination and identification, data processing, and infrasound in the CTBT context.
Comprehensive Nuclear Test-ban Treaty [ctbt] by Ed. K.R. Gupta Pdf
There Has Been A Lively Debate, For The Last Three Years, On The Question Whether Or Nor India Should Sign The Comprehensive Nuclear-Test-Ban Treaty [Ctbt]. In Spite Of Great Importance Of The Subject For National Security, The Full Text Of Ctbt Is Not Easily Available. The Present Book Fulfills This Gap. This Will Enable The Experts And The Common Man To Have Better Understanding Of The On-Going Debate On The Subject. The Editor Contends That India Should Not Sign Such A Discriminatory And Inequitable Treaty. Signing Of Such A Treaty Would Hinder India S Efforts To Safeguard Its Security.It Is Hoped That The Book Would Be Of Great Value To The Researchers And Students Of Defence Studies, Parliamentarians, Senior Executives Concerned With Defence And The Common Readers.
Monitoring the Comprehensive Nuclear-Test-Ban Treaty: Data Processing and Infrasound by Zoltan A. Der,Robert H. Shumway,Eugene T. Herrin Pdf
On September 10, 1996, The United Nations General Assembly adopted the Copmprehensive 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 (IDC), and on-site inspections, to verify compliance. This volume presents certain recent research results pertaining on methods used to process data recorded by instruments of the International Monitoring System (IMS) and addressing recording infrasound signals generated by atmospheric explosions. Six papers treating data processing provide an important selection of topics expected to contribute to improving our ability to successfully monitor a CTBT. Five papers concerning infrasound include descriptions of ways in which that important research area can contribute to CTBT monitoring, the automatic processing of infrasound data, and site conditions that serve to improve the quality of infrasound data.
Monitoring Compliance with the Comprehensive Nuclear-Test-Ban Treaty (CTBT) by Christoph Pilger,Lars Ceranna,Christian Bönnemann Pdf
The Comprehensive Nuclear-Test-Ban Treaty (CTBT) is dedicated to banning nuclear explosions worldwide. It was negotiated and adopted by the Conference on Disarmament in Geneva to comprehensively prohibit nuclear testing underground, underwater, and in the atmosphere. It was opened for signature in 1996 and will enter into force as soon as all 44 nuclear technology holder countries, as denoted in Annex 2 to the Treaty, will have signed and ratified it. Germany signed the CTBT in 1996 and ratified it in 1998, thereby committing to establish a National Data Center (NDC) and to install, operate, and maintain five stations of the International Monitoring System (IMS) for monitoring the compliances with the Treaty. Contributions on various CTBT related topics by authors from the Federal Institute for Geosciences and Natural Resources in Hannover (Bundesanstalt f�r Geowissenschaften und Rohstoffe, BGR), which has been mandated by Germany as the NDC, are presented in this book. Studies on institutional, technical and scientific aspects in the CTBT context are described to highlight recent, current and future work at the German NDC and to contribute to the CTBT monitoring and verification tasks. Nevertheless, this book focuses primarily on those aspects of the verification regime where BGR has expertise as well as BGR's activities and responsibilities as the German NDC and an IMS station operator during the last twenty years. An overview of the CTBT history, verification, and implementation in Germany is provided together with a description of the five German IMS stations and the seismology, infrasound, hydroacoustic and radionuclide technologies. Studies on the global performance of the IMS technologies to detect, locate, and identify nuclear and non-nuclear events are presented, as well as various case studies on the application, testing and benchmarking of these technologies. These case studies include, in particular, the North Korean nuclear weapon tests from 2006 to 2016, but also the National Data Center preparedness exercises from 2007 to 2013, the Tohoku earthquake with tsunami and Fukushima reactor accident in 2011, and the Chelyabinsk meteoroid explosion in 2013. Further studies are related to considerations on the quality of CTBT International Data Center waveform products, and to the usefulness and potential of satellite remote sensing in CTBT context as a National Technical Means (NTM). Finally, the role of On-Site Inspection (OSI) in general and, specifically, Seismic Aftershock Monitoring Systems (SAMS) are discussed for investigating potential treaty violations as the ultimate step in the verification chain.
Infrasound Monitoring for Atmospheric Studies by Alexis Le Pichon,Elisabeth Blanc,Alain Hauchecorne Pdf
The use of infrasound to monitor the atmosphere has, like infrasound itself, gone largely unheard of through the years. But it has many applications, and it is about time that a book is being devoted to this fascinating subject. Our own involvement with infrasound occurred as graduate students of Prof. William Donn, who had established an infrasound array at the Lamont-Doherty Geological Observatory (now the Lamont-Doherty Earth Observatory) of Columbia University. It was a natural outgrowth of another major activity at Lamont, using seismic waves to explore the Earth’s interior. Both the atmosphere and the solid Earth feature velocity (seismic or acoustic) gradients in the vertical which act to refract the respective waves. The refraction in turn allows one to calculate the respective background structure in these mediums, indirectly exploring locations that are hard to observe otherwise. Monitoring these signals also allows one to discover various phenomena, both natural and man-made (some of which have military applications).
National Academy of Sciences,Policy and Global Affairs,Committee on International Security and Arms Control,Committee on Technical Issues Related to Ratification of the Comprehensive Nuclear Test Ban Treaty
Author : National Academy of Sciences,Policy and Global Affairs,Committee on International Security and Arms Control,Committee on Technical Issues Related to Ratification of the Comprehensive Nuclear Test Ban Treaty Publisher : National Academies Press Page : 102 pages File Size : 45,7 Mb Release : 2002-08-01 Category : Technology & Engineering ISBN : 9780309182935
Technical Issues Related to the Comprehensive Nuclear Test Ban Treaty by National Academy of Sciences,Policy and Global Affairs,Committee on International Security and Arms Control,Committee on Technical Issues Related to Ratification of the Comprehensive Nuclear Test Ban Treaty Pdf
Drawing upon the considerable existing body of technical material related to the Comprehensive Test Ban Treaty, the National Academy of Sciences reviewed and assessed the key technical issues that arose during the Senate debate over treaty ratification. In particular, these include: (1) the capacity of the United States to maintain confidence in the safety and reliability of its nuclear stockpile in the absence of nuclear testing; (2) the nuclear-test detection capabilities of the international monitoring system (with and without augmentation by national systems and instrumentation in use for scientific purposes, and taking into account the possibilities for decoupling nuclear explosions from surrounding geologic media); and (3) the additions to their nuclear-weapons capabilities that other countries could achieve through nuclear testing at yield levels that might escape detection, and the effect of such additions on the security of the United States.
Infrasound Monitoring for Atmospheric Studies by Alexis Le Pichon,Elisabeth Blanc,Alain Hauchecorne Pdf
Since the publication of the first volume “Infrasound monitoring for atmospheric studies” published in 2010, significant advances were achieved in the fields of engineering, propagation modelling, and atmospheric remote sensing methods. The global infrasound network, which consists of the International Monitoring Network (IMS) for nuclear test ban verification completed by an increasing number of regional cluster arrays deployed around the globe, has evidenced an unprecedented potential for detecting, locating and characterizing various natural and man-made sources. In recent years, infrasound has evolved into a broad interdisciplinary field encompassing academic disciplines of geophysics and innovative technical and scientific developments. The advances in innovative ground-based instruments, including infrasound inversions for continuous observations of the stratosphere and mesosphere, provide useful insights into the geophysical source phenomenology and atmospheric processes involved. Systematic investigations into low-frequency infrasound signals and the development of complementary observational platforms point out new insights into the dynamics of the middle atmosphere which play a significant role in both tropospheric weather and climate. This monitoring system also provides continuous relevant information about natural hazards with high societal benefits, like on-going volcanic eruptions, surface earthquakes, meteorites or severe weather. With this new edition, researchers and students benefit from a comprehensive content of both fundamental and applied inter-disciplinary topics.
Monitoring the Comprehensive Nuclear-Test-Ban Treaty: Seismic Event Discrimination and Identification by William R. Walter,Hans E. Hartse Pdf
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.
Monitoring the Comprehensive Nuclear-Test-Ban Treaty: Source Processes and Explosion Yield Estimation by Goran Ekstrom,Marvin Denny,John R. Murphy Pdf
Pure appl. geophys., by 161 nations. Entry of the treaty into force, however, is still uncertain since it requires ratification by all 44 nations that have some nuclear capability and, as of 15 June 2001, only 31 of those nations have done so. Although entry of the CTBT into force is still uncertain, seismologists and scientists in related fields, such as radionuclides, have proceeded with new research on issues relevant to monitoring compliance with it. Results of much of that research may be used by the International Monitoring System, headquartered in Vienna, and by several national centers and individual institutions, to monitor compliance with the CTBT. New issues associated with CTBT monitoring in the 21st century have presented scientists with many new challenges. They must be able to effectively monitor com pliance by several countries that have not previously been nuclear powers. Effective monitoring requires that we be able to detect and locate much smaller nuclear events than ever before and to distinguish them from small earthquakes and other types of explosions. We must have those capabilities in regions that are seismically active and geologically complex, and where seismic waves might not propagate efficiently.
National Research Council,Division on Earth and Life Studies,Commission on Geosciences, Environment and Resources,Panel on Basic Research Requirements in Support of Comprehensive Test Ban Monitoring
Author : National Research Council,Division on Earth and Life Studies,Commission on Geosciences, Environment and Resources,Panel on Basic Research Requirements in Support of Comprehensive Test Ban Monitoring Publisher : National Academies Press Page : 151 pages File Size : 45,9 Mb Release : 1997-09-01 Category : Political Science ISBN : 9780309058261
Research Required to Support Comprehensive Nuclear Test Ban Treaty Monitoring by National Research Council,Division on Earth and Life Studies,Commission on Geosciences, Environment and Resources,Panel on Basic Research Requirements in Support of Comprehensive Test Ban Monitoring Pdf
On September 24, 1996, President Clinton signed the Comprehensive Nuclear Test Ban Treaty at the United Nations Headquarters. Over the next five months, 141 nations, including the four other nuclear weapon statesâ€"Russia, China, France, and the United Kingdomâ€"added their signatures to this total ban on nuclear explosions. To help achieve verification of compliance with its provisions, the treaty specifies an extensive International Monitoring System of seismic, hydroacoustic, infrasonic, and radionuclide sensors. This volume identifies specific research activities that will be needed if the United States is to effectively monitor compliance with the treaty provisions.
Monitoring the Comprehensive Nuclear-Test-Ban Treaty by H.J. Patton,Brian J. Mitchell Pdf
Regional seismograms are dominated by the phases Pn, Pg, Sn, and Lg. More often Sn and Lg are used to infer the attenuation structure of the lithosphere. The seismic phase Sn is a high-frequency shear-wave (typically from 1 to 4 Hz and occasionally higher) that travels in the lithospheric mantle above the negative velocity gradient which usually marks the lithosphere-asthenosphere boundary. Sn has been reported out to distances of 35° (e. g. , MOLNAR and OLIVER, 1969; HUESTIS et aI. , 1973). Sn arrives as a high-frequency wave train lasting tens of seconds and up to 1 to 2 minutes. Sn velocities are typically 4. 7 km/s in stable continental and oceanic lithosphere (HUESTIS et al. , 1973) and as low as 4. 3 km/s (KADINSKY-CADE et al. , 1981) in more tectonically active regions. Lg is a complex short period guided wave consisting of high-frequency P and S energy which travels primarily in the earth's crust at frequencies typically between 0. 5 and 5 Hz. It has been modeled as higher-mode Love and Rayleigh waves as well as a sequence of multiply reflected post-critical S waves trapped in a crustal guide (BOUCHON, 1982; KENNETT, 1986; BOSTOCK and KENNETT, 1990). Lg has been observed not to propagate in oceanic or very thin continental crust (PRESS and EWING, 1952; SEARLE, 1975; ZHANG and LAY, 1995).
Monitoring the Comprehensive Nuclear-Test-Ban Treaty: Surface Waves by Anatoli L. Levshin,Michael Ritzwoller Pdf
On 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 (IDC), and on-site inspections to verify compliance. Seismic methods play the lead role in monitoring the CTBT. This volume concentrates on the measurement and use of surface waves in monitoring the CTBT. Surface waves have three principal applications in CTBT monitoring: to help discriminate nuclear explosions from other sources of seismic energy, to provide mathematical characterizations of the seismic energy that emanates from seismic sources, and to be used as data in inversion for the seismic velocity structure of the crust and uppermost mantle for locating small seismic events regionally. The papers in this volume fall into two general categories: the development and/or application of methods to summarize information in surface waves, and the use of these summaries to advance the art of surface-wave identification, measurement, and source characterization. These papers cut across essentially all of the major applications of surface waves to monitoring the CTBT. This volume therefore provides a general introduction to the state of research in this area and should be useful as a guide for further exploration.
