Impact of Pinatubo aerosols in the partitioning between NO{sub 2} and HNO{sub 3}
Journal Article
·
· Geophysical Research Letters
- Lawrence Livermore National Laboratory, CA (United States)
This paper compares ground based column density measurements of nitric acid over Lauder, New Zealand, with measurements of nitrogen dioxide over the period 1990 to 1993. These measurements show an increase in the amount of nitric acid in September 1991, in excess of the normal seasonal variation. Corresponding nitrogen dioxide measurements show a decrease beginning in August 1991. When corresponding aerosol measurements, showing the arrival of aerosols from the Mt Pinatubo eruption, are modeled with the heterogeneous reactions involving nitrogen dioxide, then the increase in nitric acid densities is consistent with the general atmospheric observations.
- OSTI ID:
- 35413
- Journal Information:
- Geophysical Research Letters, Journal Name: Geophysical Research Letters Journal Issue: 7 Vol. 21; ISSN GPRLAJ; ISSN 0094-8276
- Country of Publication:
- United States
- Language:
- English
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