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Size-resolved characterisation of soluble ions in the particles in the tropospheric plume of Masaya volcano, Nicaragua: Origins and plume processing

Abstract:

We present the first application of a multi-stage impactor to study volcanic particle emissions to the troposphere from Masaya volcano, Nicaragua. Concentrations of soluble SO42- C1-, F-, NO3-, K+, Na+, NH4+, Ca2+ and Mg2+ were determined in 11 size bins from ∼0.07 μm to >25.5 μm. The near-source size distributions showed major modes at 0.5 μm (SO42-, H+, NH4+); 0.2 μm and 5.0 μm (C1-) and 2.0-5.0 μm (F-). K+ and Na+ mirrored the SO42- size-resolved concentrations closely, suggesting that ...

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Publication status:
Published

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Publisher copy:
10.1023/A:1026327502060

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Oppenheimer, C More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
McGonigle, AJS More by this author
Journal:
JOURNAL OF ATMOSPHERIC CHEMISTRY
Volume:
46
Issue:
3
Pages:
207-237
Publication date:
2003-11-05
DOI:
ISSN:
0167-7764
URN:
uuid:e7a5f595-cebf-48be-ab7d-ba157345b80d
Source identifiers:
165020
Local pid:
pubs:165020

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