Surface Effects from an Underground Explosion at the U3ek Site, Nevada Test Site

Surface Effects from an Underground Explosion at the U3ek Site, Nevada Test Site PDF Author: W. P. Williams
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ISBN:
Category :
Languages : en
Pages : 4

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Surface Effects from an Underground Explosion at the U3ek Site, Nevada Test Site

Surface Effects from an Underground Explosion at the U3ek Site, Nevada Test Site PDF Author: W. P. Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 4

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Surface Effects from an Underground Explosion at the U11b Site, Nevada Test Site

Surface Effects from an Underground Explosion at the U11b Site, Nevada Test Site PDF Author: G. S. Corchary
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ISBN:
Category :
Languages : en
Pages : 8

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Surface Effects from an Underground Explosion at the U9br Site, Nevada Test Site

Surface Effects from an Underground Explosion at the U9br Site, Nevada Test Site PDF Author: W. P. Williams
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ISBN:
Category :
Languages : en
Pages : 4

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Surface Effects from an Underground Explosion at the U2r Site, Nevada Test Site

Surface Effects from an Underground Explosion at the U2r Site, Nevada Test Site PDF Author: C. H. Miller
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Category :
Languages : en
Pages : 4

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Surface Effects from an Underground Explosion at the U9cs Site, Nevada Test Site

Surface Effects from an Underground Explosion at the U9cs Site, Nevada Test Site PDF Author: John R. Ege
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Category :
Languages : en
Pages : 4

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Bibliography of Reports by the Geological Survey, Special Projects Branch Personnel, May 16, 1958 to July 31, 1967

Bibliography of Reports by the Geological Survey, Special Projects Branch Personnel, May 16, 1958 to July 31, 1967 PDF Author: Jane P. Ohl
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ISBN:
Category : Geology
Languages : en
Pages : 168

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Surface Effects of Underground Nuclear Explosions

Surface Effects of Underground Nuclear Explosions PDF Author:
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ISBN:
Category :
Languages : en
Pages : 160

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The effects of nuclear explosions have been observed and studied since the first nuclear test (code named Trinity) on July 16, 1945. Since that first detonation, 1,053 nuclear tests have been conducted by the US, most of which were sited underground at the Nevada Test Site (NTS). The effects of underground nuclear explosions (UNEs) on their surroundings have long been the object of much interest and study, especially for containment, engineering, and treaty verification purposes. One aspect of these explosion-induced phenomena is the disruption or alteration of the near-surface environment, also known as surface effects. This report was prepared at the request of the Los Alamos National Laboratory (LANL), to bring together, correlate, and preserve information and techniques used in the recognition and documentation of surface effects of UNEs. This report has several main sections, including pertinent background information (Section 2.0), descriptions of the different types of surface effects (Section 3.0), discussion of their application and limitations (Section 4.0), an extensive bibliography and glossary (Section 6.0 and Appendix A), and procedures used to document geologic surface effects at the NTS (Appendix C). Because a majority of US surface-effects experience is from the NTS, an overview of pertinent NTS-specific information also is provided in Appendix B. It is not within the scope of this report to explore new relationships among test parameters, physiographic setting, and the types or degree of manifestation of surface effects, but rather to compile, summarize, and capture surface-effects observations and interpretations, as well as documentation procedures and the rationale behind them.

Source Effects on Surface Waves from Nevada Test Site Explosions

Source Effects on Surface Waves from Nevada Test Site Explosions PDF Author:
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Category :
Languages : en
Pages :

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Surface waves recorded on the Lawrence Livermore National Laboratory (LLNL) digital network have been used to study five underground nuclear explosions detonated in Yucca Valley at the Nevada Test Site. The purpose of this study is to characterize the reduced displacement potential (RDP) at low frequencies and to test secondary source models of underground explosions. The observations consist of Rayleigh- and Love-wave amplitude and phase spectra in the frequency range 0.03 to 0.16 Hz. We have found that Rayleigh-wave spectral amplitudes are modeled well by a RDP with little or no overshoot for explosions detonated in alluvium and tuff. On the basis of comparisons between observed and predicted source phase, the spall closure source proposed by Viecelli does not appear to be a significant source of Rayleigh waves that reach the far field. We tested two other secondary source models, the strike-slip, tectonic strain release model proposed by Toksoez and Kehrer and the dip-slip thrust model of Masse. The surface-wave observations do not provide sufficient information to discriminate between these models at the low F-values (0.2 to 0.8) obtained for these explosions. In the case of the strike-slip model, the principal stress axes inferred from the fault slip angle and strike angle are in good agreement with the regional tectonic stress field for all but one explosion, Nessel. The results of the Nessel explosion suggest a mechanism other than tectonic strain release.

Catalog of the United States Geological Survey Library

Catalog of the United States Geological Survey Library PDF Author: U.S. Geological Survey Library
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 814

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