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Τετάρτη 1 Φεβρουαρίου 2017

Characterizing the detectability of emission signals from a North Korean nuclear detonation

Publication date: April 2017
Source:Journal of Environmental Radioactivity, Volumes 169–170
Author(s): David Werth, Robert Buckley
The detectability of emission sources, defined by a low-level of mixing with other sources, was estimated for various locations surrounding the Sea of Japan, including a site within North Korea. A high-resolution meteorological model coupled to a dispersion model was used to simulate plume dynamics for four periods, and two metrics of airborne plume mixing were calculated for each source. While emissions from several known sources in this area tended to blend with others while dispersing downwind, the North Korean plume often remained relatively distinct, thereby making it potentially easier to unambiguously 'backtrack' it to its source.



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