Application of a three-dimensional prognostic model during the ETEX real-time modeling exercise: Evaluation of results

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Increases in computing capabilities and ready access to large-scale model output make it possible to employ advanced three-dimensional prognostic models to forecast the long-range transport of toxic or radioactive gases for emergency response. The Savannah River Technology Center (SRTC) of the U.S. Department of Energy`s Savannah River Site demonstrated this during the European Tracer EXperiment (ETEX). ETEX, conducted in the Fall of 1994, provided an opportunity to evaluate the performance of models for long-range atmospheric pollutant transport and dispersion. A comparison of SRTC forecast results for the first ETEX experiment with measured surface tracer gas concentrations shows that the predicted ... continued below

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6 p.

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Griggs, D.P. May 1, 1997.

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Increases in computing capabilities and ready access to large-scale model output make it possible to employ advanced three-dimensional prognostic models to forecast the long-range transport of toxic or radioactive gases for emergency response. The Savannah River Technology Center (SRTC) of the U.S. Department of Energy`s Savannah River Site demonstrated this during the European Tracer EXperiment (ETEX). ETEX, conducted in the Fall of 1994, provided an opportunity to evaluate the performance of models for long-range atmospheric pollutant transport and dispersion. A comparison of SRTC forecast results for the first ETEX experiment with measured surface tracer gas concentrations shows that the predicted plume is transported too quickly and surface concentrations are low. However, modeling studies show that the forecast performance is significantly improved if convective parameterization is not employed.

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6 p.

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OSTI as DE97004967

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  • 6. American Nuclear Society (ANS) topical meeting on emergency preparedness and response, San Francisco, CA (United States), 22-25 Apr 1997

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  • Other: DE97004967
  • Report No.: WSRC-MS--96-0766
  • Report No.: CONF-970419--9
  • Grant Number: AC09-89SR18035
  • Office of Scientific & Technical Information Report Number: 469144
  • Archival Resource Key: ark:/67531/metadc677484

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  • May 1, 1997

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  • July 25, 2015, 2:21 a.m.

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  • Feb. 9, 2016, 4:45 p.m.

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Griggs, D.P. Application of a three-dimensional prognostic model during the ETEX real-time modeling exercise: Evaluation of results, article, May 1, 1997; Aiken, South Carolina. (https://digital.library.unt.edu/ark:/67531/metadc677484/: accessed May 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.