Bismuth oxide nanoparticles in the stratosphere

Rietmeijer, F.J.M. & Mackinnon, I.D.R. (1997) Bismuth oxide nanoparticles in the stratosphere. Journal of Geophysical Research: Planets, 102(E3), pp. 6621-6627.

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Platey grains of cubic Bi2O3, α-Bi2O3, and Bi2O2.75 nanograins were associated with chondritic porous interplanetary dust particles W7029C1, W7029E5, and 2011C2 that were collected in the stratosphere at 17-19 km altitude. Similar Bi oxide nanograins were present in the upper stratosphere during May 1985. These grains are linked to the plumes of several major volcanic eruptions during the early 1980s that injected material into the stratosphere. The mass of sulfur from these eruptions is a proxy for the mass of stratospheric Bi from which we derive the particle number densities (p m -3) for "average Bi2O3 nanograins" due to this volcanic activity and those necessary to contaminate the extraterrestrial chondritic porous interplanetary dust particles via collisional sticking. The match between both values supports the idea that Bi2O3 nanograins of volcanic origin could contaminate interplanetary dust particles in the Earth's stratosphere. Copyright 1997 by the American Geophysical Union.

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ID Code: 57461
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By (since 1996): 7
Export Date: 19 February 2013
Source: Scopus
Art. No.: 96JE03989
Language of Original Document: English
Correspondence Address: Rietmeijer, F.J.M.; Dept. of Earth and Planet. Sciences, University of New Mexico, Albuquerque, NM 87131, United States
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Keywords: interplanetary dust, volcanic eruptions, particle size distributions, El Chichon, Mt St Helens, micrometeorites
DOI: 10.1029/96JE03989
ISSN: 0148-0227
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Aerosols (040101)
Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Sciences not elsewhere classified (040199)
Divisions: Current > Institutes > Institute for Future Environments
Deposited On: 25 Feb 2013 22:28
Last Modified: 25 Feb 2013 22:28

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