Next Generation Robust Low Noise Seismometer for Nuclear Monitoring

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Description

Implementation of the proposed seismometers turned out to be much more challenging than anticipated. The noise levels achieved are indeed well below those ever featured by any electrochemical sensor and just very nearly miss reaching the original objectives. However, while noise-wise the instruments could still prove their usefulness, especially considering their robustness and no-maintenance operation, the implementation of the proposed noise-reduction concept resulted in much larger and heavier devices than originally expected. Moreover, these large dimensions relate only to single-component vertical sensors. While building similar horizontal component is possible, the resulting three-component instrument would be way too large and heavy ... continued below

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380 kB

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Abramovich, Igor A. June 20, 2013.

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Description

Implementation of the proposed seismometers turned out to be much more challenging than anticipated. The noise levels achieved are indeed well below those ever featured by any electrochemical sensor and just very nearly miss reaching the original objectives. However, while noise-wise the instruments could still prove their usefulness, especially considering their robustness and no-maintenance operation, the implementation of the proposed noise-reduction concept resulted in much larger and heavier devices than originally expected. Moreover, these large dimensions relate only to single-component vertical sensors. While building similar horizontal component is possible, the resulting three-component instrument would be way too large and heavy to be of any practical use. The prototype instruments developed and built retained the inherent advantages of the electrochemical seismometers: no maintenance operation; ability to perform with large installation tilts; and, unfortunately, to a much lesser extent in terms of robustness.

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380 kB

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  • Report No.: DOE/07ER84738
  • Grant Number: FG02-07ER84738
  • Office of Scientific & Technical Information Report Number: 1084093
  • Archival Resource Key: ark:/67531/metadc838649

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  • June 20, 2013

Added to The UNT Digital Library

  • May 19, 2016, 9:45 a.m.

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  • Nov. 30, 2016, 12:58 p.m.

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Abramovich, Igor A. Next Generation Robust Low Noise Seismometer for Nuclear Monitoring, report, June 20, 2013; United States. (digital.library.unt.edu/ark:/67531/metadc838649/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.