Particle-size distribution of inorganic water soluble ions in the Venezuelan savannah atmosphere during burning and nonburning periods

Atmospheric particles were collected in six rural Venezuelan savannah sites during 1984-85. Concentrations and size distributions of nitrate, sulfate, chloride, phosphate, ammonia, sodium, potassium, calcium, and magnesium ions were determined. Concentrations were higher in the dry season, with a ma...

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Bibliographic Details
Published in:Journal of atmospheric chemistry 1988-11, Vol.7 (4), p.369-388
Main Authors: SANHUEZA, E, RONDON, A
Format: Article
Language:English
Subjects:
Chemical composition and interactions. Ionic interactions and processes
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
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Summary:Atmospheric particles were collected in six rural Venezuelan savannah sites during 1984-85. Concentrations and size distributions of nitrate, sulfate, chloride, phosphate, ammonia, sodium, potassium, calcium, and magnesium ions were determined. Concentrations were higher in the dry season, with a maximum during vegetation burning periods. Using Na as a reference, the results show a deficit of chloride ion and, with the exception of Mg, an enrichment of all other ions with respect to marine aerosols. Various pairs of ions displayed similar size distributions, indicating the ions were produced by the same source and/or were involved in similar atmospheric processes.
ISSN:0167-7764
1573-0662
DOI:10.1007/BF00058711