Temperature inversions in the vicinity of Oak Ridge, Tennessee, as characterized by tethersonde data

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Accidental releases of hazardous materials to the atmosphere may result from fires that create a buoyant plume which may rise several hundred meters above the ground. For such buoyant release cases, estimates of ground-level concentrations may be as much as a factor of 100 lower than similar, nonbuoyant releases. For the Oak Ridge Reservation, safety analyses often examine buoyant release accident scenarios and resulting downwind, ground-level consequence estimates. For these analyses, careful consideration of buoyant plume rise is important. Plume rise can be limited by a stable vertical atmospheric temperature profile, commonly called an inversion, where the air temperature increases ... continued below

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30 p.

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Blasing, T.J.; Wang, J.C. & Lombardi, D.A. January 1, 1998.

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Description

Accidental releases of hazardous materials to the atmosphere may result from fires that create a buoyant plume which may rise several hundred meters above the ground. For such buoyant release cases, estimates of ground-level concentrations may be as much as a factor of 100 lower than similar, nonbuoyant releases. For the Oak Ridge Reservation, safety analyses often examine buoyant release accident scenarios and resulting downwind, ground-level consequence estimates. For these analyses, careful consideration of buoyant plume rise is important. Plume rise can be limited by a stable vertical atmospheric temperature profile, commonly called an inversion, where the air temperature increases with height. There is a concern that inversions may interact with the complex terrain on the Oak Ridge Reservation, particularly at the Y-12 Plant, which is located in a relatively shallow but narrow valley, to trap the plume and increase ground-level consequences. The purpose of this paper is to review the available meteorological data that provide information on inversions in the Oak Ridge area.

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30 p.

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INIS; OSTI as DE98007469

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  • Other Information: PBD: Jan 1998

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  • Other: DE98007469
  • Report No.: ORNL/TM--13557
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/666221 | External Link
  • Office of Scientific & Technical Information Report Number: 666221
  • Archival Resource Key: ark:/67531/metadc702777

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  • January 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 3, 2016, 6:53 p.m.

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Blasing, T.J.; Wang, J.C. & Lombardi, D.A. Temperature inversions in the vicinity of Oak Ridge, Tennessee, as characterized by tethersonde data, report, January 1, 1998; Tennessee. (digital.library.unt.edu/ark:/67531/metadc702777/: accessed July 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.