The Development of Volcanic Ash Cloud Layers over Hours to Days Due to Atmospheric Turbulence Layering

Bursik, Marcus; Yang, Qingyuan; Bear-Crozier, Adele; Pavolonis, Michael; Tupper, Andrew

doi:10.3390/atmos12020285

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The Development of Volcanic Ash Cloud Layers over Hours to Days Due to Atmospheric Turbulence Layering

2021
By Bursik, Marcus ; Yang, Qingyuan ; Bear-Crozier, Adele ; ...
Source: Atmosphere 2021, 12(2), 285

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Journal Title:

Atmosphere
Personal Author:

Bursik, Marcus ; Yang, Qingyuan ; Bear-Crozier, Adele ; Pavolonis, Michael ; Tupper, Andrew

Bursik, Marcus ; Yang, Qingyuan ; Bear-Crozier, Adele ; Pavolonis, Michael ; Tupper, Andrew Less -
NOAA Program & Office:

CIMSS (Cooperative Institute for Meteorological Satellite Studies)
Description:

Volcanic ash clouds often become multilayered and thin with distance from the vent. We explore one mechanism for the development of this layered structure. We review data on the characteristics of turbulence layering in the free atmosphere, as well as examples of observations of layered clouds both near-vent and distally. We then explore dispersion models that explicitly use the observed layered structure of atmospheric turbulence. The results suggest that the alternation of turbulent and quiescent atmospheric layers provides one mechanism for the development of multilayered ash clouds by modulating vertical particle motion.
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Ash Cloud Ash Layer Aviation Safety Eddy Diffusivity Pinatubo Turbulence Volcanic Cloud
Source:

Atmosphere 2021, 12(2), 285
DOI:

https://doi.org/10.3390/atmos12020285
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Journal Article
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CC BY
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urn:sha256:56e56743fb4806c6d5cd61a7e4fed6e4e4b56b3ebccbbd08cdc0b74af4c1bf8e
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The Development of Volcanic Ash Cloud Layers over Hours to Days Due to Atmospheric Turbulence Layering

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