93 Matching Results

Search Results

Advanced search parameters have been applied.

Case Study: Iran, Islam, the NPT, and the Bomb

Description: The goals of this case study are: (1) To examine the correlation between Iran's nuclear program and clerical statements; (2) To evaluate the importance of these statements; (3) To understand the relationship between policy and fatwas (Islamic decrees); (4) To address the issue of a 'nuclear fatwa'; and (5) To examine how, if at all, Sharia (Islamic law) has influenced Iran's actions or inactions with respect to the Non-Proliferation Treaty (NPT), the International Atomic Energy Agency (IAEA), and Iran's adherence to its IAEA Safeguards Agreements and the Additional Protocol. The Islamic Republic of Iran (hereinafter Iran) is one of two theocracies in the world, the second being Vatican City. Iran's government derives its constitutional, moral, and political legitimacy from Islam. As a result of this theocratic culture, rules are set and interpreted with a much different calibrator than that of the Western world. Islam affects all aspects of Iranian life. This is further complicated by the fact that Islam is not a nationalistic faith, in that many people all over the world believe in and adhere to Islamic principles. As a result, a political system that derives much of its fervor from being nationalistic is caught between two worlds, one within the land boundaries of Iran and the other within a faith that transcends boundaries. Thus, any understanding of Islamic law must first be understood within this delicate balance of nationalism and transcendence. Iran has found itself on the international stage concerning its nuclear program. Because Iran is a theocratic state, it is imperative to examine its political moves, speeches, rights, and obligations through the lens of Islam. This study will examine how Islam plays a role in Iran's dealing with the International Atomic Energy Agency (IAEA), its understanding of the Nuclear Non-Proliferation Treaty (NPT), including parties obligations under Safeguards ...
Date: April 1, 2011
Creator: Saunders, E .
Partner: UNT Libraries Government Documents Department

Predictions of acoustic signals from explosions above and below the ocean surface: source region calculations

Description: In support of the Comprehensive Test Ban, research is underway on the long range propagation of signals from nuclear explosions in the deep underwater sound (SOFAR) channel. This first phase of our work at LLNL on signals in the source regions considered explosions in or above the deep (5000 m) ocean. We studied the variation of wave properties and source region energy coupling as a function of height or depth of burst. Initial calculations on CALE, a two-dimensional hydrodynamics code developed at LLNL by Robert Tipton, were linked at a few hundred milliseconds to a version of NRL`s weak shock code, NPE, which solves the nonlinear progressive wave equation. The wave propagation simulation was performed down to 5000 m depth and out to 10,000 m range. We have developed a procedure to convert the acoustic signals at 10 km range into `starter fields` for calculations on a linear acoustics code which will extend the propagation to ocean basin distances. Recently we have completed calculations to evaluate environmental effects (shallow water, bottom interactions) on signal propagation. We compared results at 25 km range from three calculations of the same I kiloton burst (50 m height-of-burst) in three different environments, namely, deep water, shallow water, and a case with shallow water sloping to deep water. Several results from this last `sloping bottom` case will be 2016 discussed below. In this shallow water study, we found that propagation through shallow water complicates and attenuates the signal; the changes made to the signal may impact detection and discrimination for bursts in some locations.
Date: December 1, 1996
Creator: Clarke, D.B.; Piacsek, A. & White, J.W.
Partner: UNT Libraries Government Documents Department

Web Application Design Using Server-Side JavaScript

Description: This document describes the application design philosophy for the Comprehensive Nuclear Test Ban Treaty Research & Development Web Site. This design incorporates object-oriented techniques to produce a flexible and maintainable system of applications that support the web site. These techniques will be discussed at length along with the issues they address. The overall structure of the applications and their relationships with one another will also be described. The current problems and future design changes will be discussed as well.
Date: February 1, 1999
Creator: Hampton, J. & Simons, R.
Partner: UNT Libraries Government Documents Department

Synergy among international monitoring system technologies

Description: This paper describes the results of an International Monitoring System synergy study using Sandia National Laboratory`s IVSEM (Integrated Verification System Evaluation Model). The study compares individual subsystem performance (seismic, infrasound, radionuclide, and hydroacoustic) with integrated system performance. The integrated system exhibits synergy because different sensor technologies cover different locations; thus, the integrated system covers more locations than can any individual subsystem. Energy and system performance can be further enhanced by allowing mixed technology detection and location.
Date: August 1, 1996
Creator: Edenburn, M.W.; Bunting, M.L.; Payne, A.C.; Preston, R.R. & Trost, L.C.
Partner: UNT Libraries Government Documents Department

The Waveform Correlation Event Detection System project, Phase II: Testing with the IDC primary network

Description: Further improvements to the Waveform Correlation Event Detection System (WCEDS) developed by Sandia Laboratory have made it possible to test the system on the accepted Comprehensive Test Ban Treaty (CTBT) seismic monitoring network. For our test interval we selected a 24-hour period from December 1996, and chose to use the Reviewed Event Bulletin (REB) produced by the Prototype International Data Center (PIDC) as ground truth for evaluating the results. The network is heterogeneous, consisting of array and three-component sites, and as a result requires more flexible waveform processing algorithms than were available in the first version of the system. For simplicity and superior performance, we opted to use the spatial coherency algorithm of Wagner and Owens (1996) for both types of sites. Preliminary tests indicated that the existing version of WCEDS, which ignored directional information, could not achieve satisfactory detection or location performance for many of the smaller events in the REB, particularly those in the south Pacific where the network coverage is unusually sparse. To achieve an acceptable level of performance, we made modifications to include directional consistency checks for the correlations, making the regions of high correlation much less ambiguous. These checks require the production of continuous azimuth and slowness streams for each station, which is accomplished by means of FK processing for the arrays and power polarization processing for the three-component sites. In addition, we added the capability to use multiple frequency-banded data streams for each site to increase sensitivity to phases whose frequency content changes as a function of distance.
Date: April 1, 1998
Creator: Young, C.J.; Beiriger, J.I. & Moore, S.G.
Partner: UNT Libraries Government Documents Department

Test report for the infrasound prototype: For a CTBT IMS station

Description: This document describes the results of the Comprehensive Test Ban Treaty (CTBT) Infrasound Prototype Development Test and Evaluation (DT&E). During DT&E the infrasound prototype was evaluated against requirements listed in the System Requirements Document (SRD) based on the Conference on Disarmament/Ad Hoc Committee on a Nuclear Test Ban/Working Papers 224 and 283 and the Preparatory Commission specifications as defined in CTBT/PC/II/1/Add.2, Appendix X, Table 5. The evaluation was conducted during a two-day period, August 6-7, 18997. The System Test Plan (STP) defined the plan and methods to test the infrasound prototype. Specific tests that were performed are detailed in the Test Procedures (TP).
Date: November 1, 1997
Creator: Breding, D.R.; Kromer, R.P.; Whitaker, R.W. & Sandoval, T.
Partner: UNT Libraries Government Documents Department

Questions on NEA program for OMB budget presentation

Description: The questions asked and answered include: Why was the program renamed from PNE (Peaceful Nuclear Explosives) to NEA? Why are storage cavities needed? Why can`t existing caves and mines be used? Isn`t a mined cavity safer for radioactive disposal? Why can`t one tolerate asymmetry between the US and USSR PNE capability? Why do we need PNE execution capability to support verification capability? Why shouldn`t the money go directly to verification? What is the priority of PNE research compared to other energy technology research? What is the US obligation under Article V of the NPT if it is determined that PNE`s are not worthwhile? What new information is available which shows that PNE`s will be politically acceptable? How much has been spent to develop PNE`s to date? What viable technology has resulted? The remainder of the paper discusses research programs being carried out on nuclear explosion technology and one technology that has resulted from the PNE program, namely, stimulation of oil and gas extraction.
Date: October 30, 1975
Creator: Hodges, A.J.
Partner: UNT Libraries Government Documents Department

INFCIRC/153 as the basis for verification of a special nuclear materials production cutoff convention

Description: Although safeguards practice under the Nuclear Non-Proliferation Treaty (NPT) has evolved considerably over the lifetime of the agreement, INFCIRC/153 remains the defining document of NPT verification. It is the only available document that might be adopted as an element of a special nuclear materials production cutoff convention to define an ``NPT-like`` verification regime. The clearly stated objective of INFCIRC/153 safeguards is the ability to ``detect diversion,`` which is achieved by verifying the state`s nuclear material accounting system. Although the way in which the verification objectives of a cutoff convention will be formulated is not yet known, it is clear that there will not be an exact fit between the two. The mismatch becomes greater to the extent that material in declared facilities is ``grandfathered`` under cutoff. It also increases as a cutoff regime focuses verification on the physical process of production (in operating facilities) or on facility operational status or capability (at non-operating facilities) rather than on the nuclear material itself. This paper compares the technical objectives which may be assigned to the IAEA under a cutoff convention with those described in INFCIRC/153. It also deals with means and limitations of verification activities which are closely linked to these objectives. The broader political and legal objectives associated with the convention are not considered.
Date: August 1, 1994
Creator: Parsick, R. & Sanborn, J.
Partner: UNT Libraries Government Documents Department

Lessons from UNSCOM and IAEA regarding remote monitoring and air sampling

Description: In 1991, at the direction of the United Nations Security Council, UNSCOM and IAEA developed plans for On-going Monitoring and Verification (OMV) in Iraq. The plans were accepted by the Security Council and remote monitoring and atmospheric sampling equipment has been installed at selected sites in Iraq. The remote monitoring equipment consists of video cameras and sensors positioned to observe equipment or activities at sites that could be used to support the development or manufacture of weapons of mass destruction, or long-range missiles. The atmospheric sampling equipment provides unattended collection of chemical samples from sites that could be used to support the development or manufacture of chemical weapon agents. To support OMV in Iraq, UNSCOM has established the Baghdad Monitoring and Verification Centre. Imagery from the remote monitoring cameras can be accessed in near-real time from the Centre through RIF communication links with the monitored sites. The OMV program in Iraq has implications for international cooperative monitoring in both global and regional contexts. However, monitoring systems such as those used in Iraq are not sufficient, in and of themselves, to guarantee the absence of prohibited activities. Such systems cannot replace on-site inspections by competent, trained inspectors. However, monitoring similar to that used in Iraq can contribute to openness and confidence building, to the development of mutual trust, and to the improvement of regional stability.
Date: January 1, 1996
Creator: Dupree, S.A.
Partner: UNT Libraries Government Documents Department

Advanced 3D Sensing and Visualization System for Unattended Monitoring

Description: The purpose of this project was to create a reliable, 3D sensing and visualization system for unattended monitoring. The system provides benefits for several of Sandia's initiatives including nonproliferation, treaty verification, national security and critical infrastructure surety. The robust qualities of the system make it suitable for both interior and exterior monitoring applications. The 3D sensing system combines two existing sensor technologies in a new way to continuously maintain accurate 3D models of both static and dynamic components of monitored areas (e.g., portions of buildings, roads, and secured perimeters in addition to real-time estimates of the shape, location, and motion of humans and moving objects). A key strength of this system is the ability to monitor simultaneous activities on a continuous basis, such as several humans working independently within a controlled workspace, while also detecting unauthorized entry into the workspace. Data from the sensing system is used to identi~ activities or conditions that can signi~ potential surety (safety, security, and reliability) threats. The system could alert a security operator of potential threats or could be used to cue other detection, inspection or warning systems. An interactive, Web-based, 3D visualization capability was also developed using the Virtual Reality Modeling Language (VRML). The intex%ace allows remote, interactive inspection of a monitored area (via the Internet or Satellite Links) using a 3D computer model of the area that is rendered from actual sensor data.
Date: January 1, 1999
Creator: Carlson, J.J.; Little, C.Q. & Nelson, C.L.
Partner: UNT Libraries Government Documents Department

DOE program on seismic characterization for regions of interest to CTBT monitoring

Description: The primary goal of the DOE programs on Geophysical Characterization of (1) the Middle East and North Africa (ME-NA) and (2) Southern Asia (SA) is to provide the Air Force Technical Applications Center (AFRAC) with the analytic tools and knowledge base to permit effective verification of Comprehensive Test Ban Treaty (CTBT) compliance in those regions. The program also aims at using these regionalizations as models for the development of a detailed prescription for seismic calibration and knowledge base compilation in areas where the US has had little or no previous monitoring experience. In any given region, the CTBT seismic monitoring system will depend heavily on a few key arrays and/or three-component stations, and it will be important to know as much as possible about the physical properties of the earth`s crust and upper mantle: (1) in the vicinity of these stations, (2) in areas of potential earthquake activity or commercial blasting in the region containing the stations, and (3) along the propagation path from the sources to the stations. To be able to discriminate between various source types, we will also need to know how well the various event characterization techniques perform when they are transported from one tectonic or geologic environment to another. The Department of Energy`s CMT R&D program plan (DOE, 1994), which includes the ME-NA and SA characterization programs, incorporates an iterative process that combines field experiments, computer modeling and data analysis for the development, testing, evaluation and modification of data processing algorithms as appropriate to achieve specific US monitoring objectives. This process will be applied to seismic event detection, location and identification.
Date: July 1, 1995
Creator: Ryall, A.S. & Weaver, T.A.
Partner: UNT Libraries Government Documents Department

Functional Requirements for Continuation Period Equipment and Drilling

Description: For geophysical measurements, creating a functional requirement based on finding a specific-sized target at a specific depth is difficult because of the wide variation of subsurface and surface geologic conditions that can be encountered. An alternative approach used in this paper is to specify functional requirements based on what is needed to search for the effects of a given target within a reasonable background of environmental or geological variation (noise). There is a gap between what the state-of-the-art expert with a large amount of experience can be expected to accomplish and what a non-expert inspector with limited experience can do. There are also limitations because of the Treaty environment (equipment certification, transparency, managed access, etc.); thus, for OSI, we must opt for pragmatic approach. Equipment must be easy to use, rugged, and functional over a wide range of environmental conditions. Equipment should consist of commercially available technology. Well-established operational procedures should be used for taking measurements, reducing data, and presenting data, with software mostly provided by the manufacturer along with the equipment. Equipment should be used in conjunction with WGB-approved position-finding equipment capable of relative position determinations pertinent to the type of equipment and measurement.
Date: June 20, 2000
Creator: Sweeney, J.J.
Partner: UNT Libraries Government Documents Department

Nuclear materials safeguards for the future

Description: Basic concepts of domestic and international safeguards are described, with an emphasis on safeguards systems for the fuel cycles of commercial power reactors. Future trends in institutional and technical measures for nuclear materials safeguards are outlined. The conclusion is that continued developments in safeguards approaches and technology, coupled with institutional measures that facilitate the global management and protection of nuclear materials, are up to the challenge of safeguarding the growing inventories of nuclear materials in commercial fuel cycles in technologically advanced States with stable governments that have signed the nonproliferation treaty. These same approaches also show promise for facilitating international inspection of excess weapons materials and verifying a fissile materials cutoff convention.
Date: December 31, 1995
Creator: Tape, J.W.
Partner: UNT Libraries Government Documents Department

APSTNG: Associated particle sealed-tube neutron generator studies for arms control. Final report on NN-20 Project ST220

Description: Argonne National Laboratory has performed research and development on the use of Associated Particle Sealed-Tube Neutron Generator (APSTNG) technology for treaty verification and non-proliferation applications, under funding from the DOE Office of Nonproliferation and National Security. Results indicate that this technology has significant potential for nondestructively detecting elemental compositions inside inspected objects or volumes. The final phase of this project was placement of an order for commercial procurement of an advanced sealed tube, with its high-voltage supply and control systems. Procurement specifications reflected lessons learned during the study. The APSTNG interrogates a volume with a continuous 14-MeV neutron flux. Each neutron is emitted coincident with an {open_quotes}associated{close_quotes} alpha-particle emitted in the opposite direction. Thus detection of an alpha-particle marks the emission of a neutron in a cone opposite to that defined by the alpha detector. Detection of a gamma ray coincident with the alpha indicates that the gamma was emitted from a neutron-induced reaction inside the neutron cone: the gamma spectra can be used to identify fissionable materials and many isotopes having an atomic number larger than that of boron. The differences in gamma-ray and alpha-particle detection times yield a coarse measurement of the distance along the cone axis from the APSTNG emitter to each region containing the identified nuclide. A position-sensitive alpha detector would permit construction of coarse three-dimensional images. The source and emission-detection systems can be located on the same side of the interrogated volume. The neutrons and gamma rays are highly penetrating. A relatively high signal-to-background ratio allows the use of a relatively small neutron source and conventional electronics.
Date: December 1, 1994
Creator: Rhodes, E.; Dickerman, C.E.; Brunner, T.; Hess, A. & Tylinski, S.
Partner: UNT Libraries Government Documents Department

Remote sensing science - new concepts and applications

Description: This is the final report of a one-year, Laboratory-Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). The science and technology of satellite remote sensing is an emerging interdisciplinary field that is growing rapidly with many global and regional applications requiring quantitative sensing of earth`s surface features as well as its atmosphere from space. It is possible today to resolve structures on the earth`s surface as small as one meter from space. If this high spatial resolution is coupled with high spectral resolution, instant object identification can also be achieved. To interpret these spectral signatures correctly, it is necessary to perform a computational correction on the satellite imagery that removes the distorting effects of the atmosphere. This project studied such new concepts and applied innovative new approaches in remote sensing science.
Date: October 1, 1996
Creator: Gerstl, S.A.; Cooke, B.J.; Henderson, B.G.; Love, S.P. & Zardecki, A.
Partner: UNT Libraries Government Documents Department

Statistical evaluation of CTBT regional seismic monitoring

Description: A global seismic monitoring system under a Comprehensive Test Ban Treaty (CTBT) is judged by its capability to detect, locate, and identify suspicious seismic events. Performance measures are those statistical objects that describe these capabilities. Performance criteria are the thresholds derived from the overall monitoring system goals, against which the evaluated performance measures are compared. This report proposes statistical objects for performance measurement of detection and location, a continuation of the research of Anderson and Anderson. A statistical methodology for calibrating regional station magnitudes to the worldwide teleseismic Mb scale is also proposed.
Date: September 1, 1996
Creator: Anderson, K.K.
Partner: UNT Libraries Government Documents Department

A systems perspective of Comprehensive Test Ban Treaty monitoring and verification

Description: On September 24, 1996, after decades of discussion and more than two years of intensive international negotiations, President Clinton, followed by representatives of (to date) more than 125 other countries, including the other four declared nuclear weapons states, signed the Comprehensive Test Ban Treaty. Each signatory now faces a complex set of technical and political considerations regarding the advisability of joining the treaty. Those considerations vary from country to country, but for many countries one of the key issues is the extent to which the treaty can be verified. In the case of the US, it is anticipated that treaty verifiability will be an important issue in the US Senate Advice and Consent Hearings. This paper will address treaty verifiability, with an emphasis on the interplay between the various elements of the International monitoring regime, as prescribed in the CTBT Treaty Text and its associated Protocol. These elements, coupled with the National regimes, will serve as an integrated set of overlapping, interlocking measures to support treaty verification. Taken as a whole, they present a formidable challenge to potential testers who wish not to be caught.
Date: November 1, 1996
Creator: Walker, L.S.
Partner: UNT Libraries Government Documents Department

A flow injection trace gas analyzer for on-site determination of organoarsenicals

Description: Lewisite was developed during World War I as a chemical warfare agent. Several countries produced large quantities of the agent before, during and after World War II. The Chemical Weapons Convention treaty, recently signed, requires the destruction of Lewisite. In implementing the Chemical Weapons Convention treaty, it will be necessary to monitor the facilities at which various chemical agents including Lewisite may be stored for compliance with the agreement. The inspection procedures must meet stringent standards for safety, quality assurance and accountability. In preparing for these inspections a technology gap has been identified in the ability to detect and monitor for the presence of Lewisite in ambient air, particularly in the facilities where chemical warfare agents are stored. A method and an apparatus for determining the concentration of Lewisite in the ambient atmosphere are described. The apparatus includes a mechanism for separating and collecting a Lewisite sample from the atmosphere, a mechanism for converting the collected Lewisite to an arsenite ion solution sample, and a mechanism for electrochemically detecting the converted arsenite ions in the sample, whereby the amount of arsenite ions detected is proportional to the concentration of Lewisite in the atmosphere.
Date: December 31, 1995
Creator: Aldstadt, J.H. III
Partner: UNT Libraries Government Documents Department

Arms control and the rule of law

Description: Many who speak of the end of the Cold War emphasize the warming of international relations when they speak of the momentous consequences of this event. According to this image, the half century since Trinity has been a period of sparse international communication during which the Eastern and Western blocs hibernated in their isolated dens of security alliances. Yet it is equally valid to consider the implications of the end of the war footing that has underlain the policies of all of the major military powers during the last fifty years. While meaningful international dialogue was in a state of relative lethargy during much of this period, the military establishments of the Great Powers were actively engaged in using as much force as possible in their efforts to control world affairs, short of triggering a nuclear holocaust. International discourse, at least in English, was rife with such military images as appeasement, containment, crisis stability, and tripwires. From the military posture of the U.S. and Russia a tense peace ironically emerged, but the terms by which decisions were made about controlling weapons of mass destruction (i.e., nuclear, chemical, and biological weapons) were the terms of war. The thesis of this paper is that the end of the Cold War marks a shift away from reliance on military might toward an international commitment to control weapons of mass destruction through the rule of law developed by John Rawls. The progression of agreements during this century to limit weapons of mass destruction testifies to this new development. A review of arms control agreements that the U.S. is a part of show clear growth of the rule of law as the world has left the Cold War.
Date: March 1, 1995
Creator: Tanzman, E.A.
Partner: UNT Libraries Government Documents Department

Russia`s Great Game in a nuclear South Asia

Description: Lost in the noise of Pakistan`s nuclear weapon tests in the western Baluchistan desert on 28 and 30 May was a surprising diplomatic move by Russia. On 23 May, Russia became the first state to express its willingness to recognize India as a nuclear-weapon state, provided that India commits itself to the international nonproliferation regime. Russia`s Ambassador to India, Albert Chernyshev, stated in the days after the Indian but before the Pakistani nuclear tests that ``India proclaimed itself a nuclear weapons power. One now hopes that India will behave as a nuclear weapons power by acting responsibly. Every nuclear weapons state has some rights. But for getting recognition it must have some obligations. Once it is ready to show these obligations by joining the nonproliferation regime, its recognition as a nuclear weapons power will follow.`` Russia`s Great Game in South Asia in pursuit of short-term economic and other interests appears to be a serious obstacle on the path to dealing effectively with the South Asian nuclear crisis. Grave damage to security, stability and nonproliferation has already resulted from India`s and Pakistan`s actions, but the situation does not have to spiral out of control. It is imperative that the international community respond appropriately to this challenge. The international community is at a crossroads and Russia`s actions will be critical. Will it be willing to go beyond the narrow economic and political calculations reflected in its diplomatic posturing, and take actions that will serve its long-term interests by bridging differences with other great powers in order to demonstrate to India that it has not chosen the right path. If Russia decides it can gain from India`s current, perilous path and blocks or otherwise frustrates appropriate responses, the nuclear danger on the subcontinent will escalate and the global regimes to promote nonproliferation and ...
Date: December 31, 1998
Creator: Pilat, J.F. & Taylor, T.T.
Partner: UNT Libraries Government Documents Department

Infrasound records from U.S. atmospheric tests

Description: The United States conducted over 100 atmospheric nuclear tests at the Nevada Test Site from 1951 through 1962. Some of the earliest tests caused unexpected damage, primarily broken glass and cracked plaster, in Las Vegas and other surrounding communities. To address this problem, Sandia initiated a program to monitor and predict the pressure waves around NTS. Infrasound recording systems were developed, then field for all tests beginning with Operation Buster in October 1951. Investigators soon discovered that near-surface temperature inversions and wind profiles caused the damaging pressures in Las Vegas. A typical test was recorded at about a dozen stations from the Control Point on NTS to as far away as Pasadena, CA. In addition, some tests in the South Pacific were monitored, as well as numerous chemical explosions. Strip charts recorded signals in the frequency band from 0.05 to 30 Hz, and the paper tapes were achieved at Sandia in the early 1970s. The NTS events ranged in yield from below 1 ton to 74 kilotons; source altitudes varied from near ground level (including some cratering experiments) to as high as 11 km. The resulting data contain a wealth of information on the source function, yield scaling and regional propagation of infrasound signals from atmospheric explosions. The renewed interest in infrasonic monitoring for CTBT verification has prompted the authors to exhume some of the archived records. The authors plan to digitize the signals from several tests and evaluate their applicability to CTBT issues. In addition, they will collect any existing parametric measurements for these records (arrival times, amplitudes, etc.). All data will be converted to CSS database format and made available to the research community. If appropriate, the resulting information could also be included in the Knowledge Base under development for CTBT monitoring.
Date: July 1, 1998
Creator: Chael, E.P. & Lohr, R.D.
Partner: UNT Libraries Government Documents Department

Ground-based visual inspection for CTBT verification

Description: Ground-based visual inspection will play an essential role in On-Site Inspection (OSI) for Comprehensive Test Ban Treaty (CTBT) verification. Although seismic and remote sensing techniques are the best understood and most developed methods for detection of evasive testing of nuclear weapons, visual inspection will greatly augment the certainty and detail of understanding provided by these more traditional methods. Not only can ground-based visual inspection offer effective documentation in cases of suspected nuclear testing, but it also can provide accurate source location and testing media properties necessary for detailed analysis of seismic records. For testing in violation of the CTBT, an offending state may attempt to conceal the test, which most likely will be achieved by underground burial. While such concealment may not prevent seismic detection, evidence of test deployment, location, and yield can be disguised. In this light, if a suspicious event is detected by seismic or other remote methods, visual inspection of the event area is necessary to document any evidence that might support a claim of nuclear testing and provide data needed to further interpret seismic records and guide further investigations. However, the methods for visual inspection are not widely known nor appreciated, and experience is presently limited. Visual inspection can be achieved by simple, non-intrusive means, primarily geological in nature, and it is the purpose of this report to describe the considerations, procedures, and equipment required to field such an inspection. The inspections will be carried out by inspectors from members of the CTBT Organization.
Date: November 1, 1997
Creator: Hawkins, W. & Wohletz, K.
Partner: UNT Libraries Government Documents Department