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Tritium clouds environmental impact in air into the Western Mediterranean Basin evaluation
Title: Tritium clouds environmental impact in air into the Western Mediterranean Basin evaluation
Authors: Castro Lobera, María PalomaAutor AEMETVelarde, Manuel G.Ardao Berdejo, JoséAutor AEMETPerlado Martín, José ManuelSedano, Luis
Keywords: CEDE; Tritium concentration in air; EDE; Organically bound tritium in surface
Issue Date: 2012
Publisher: Elsevier
Citation: Fusion Engineering and Design. 2012, 87(7–8), p. 1471-1477
Publisher version:
Abstract: The paper considers short-term releases of tritium (mainly but not only tritium hydride (HT)) to the atmosphere from a potential ITER-like fusion reactor located in the Mediterranean Basin and explores if the short range legal exposure limits are exceeded (both locally and downwind). For this, a coupled Lagrangian ECMWF/FLEXPART model has been used to follow real time releases of tritium. This tool was analyzed for nominal tritium operational conditions under selected incidental conditions to determine resultant local and Western Mediterranean effects, together with hourly observations of wind, to provide a short-range approximation of tritium cloud behavior. Since our results cannot be compared with radiological station measurements of tritium in air, we use the NORMTRI Gaussian model. We demonstrate an overestimation of the sequence of tritium concentrations in the atmosphere, close to the reactor, estimated with this model when compared with ECMWF/FLEXPART results. A Gaussian “mesoscale” qualification tool has been used to validate the ECMWF/FLEXPART for winter 2010/spring 2011 with a database of the HT plumes. It is considered that NORMTRI allows evaluation of tritium-in-air-plume patterns and its contribution to doses.
ISSN: 0920-3796
Appears in Collections:Artículos científicos 2010-2014

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