Combined effects of wind and column mass
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P. Armienti; G. Macedonio; M.T. Pareschi
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Article
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1990
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Elsevier Science
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English
โ 598 KB
A 2Dโข model of volcanic ashes (tephra) dispersion, based on an analytical solution of the advection-diffusion 9 2. equatmn, is presented. By this model the correlation between a double maximum in thickness and a punctual bimodal size distribution in plinian deposit of volcanic eruptions is outlined