Abstract
AEROSOL collected from the stratosphere at Mildura (34.2°S, 142.1°E) has undergone a marked change in character after a period of about seven years with little variation. During the period 1970 to February 1977 aerosol collected by jet impaction at altitudes up to about 28 km has predominantly been sulphuric acid, except for a brief period in January 1972 when particles with a wide variation in morphology were observed1. The change reported here indicates a substantial incursion of ammonia into the stratosphere, sufficient to almost completely convert the sulphuric acid to one of the ammonium salts, either NH4HSO4 or (NH4)2SO4.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
Similar content being viewed by others
References
Bigg, E. K. J. Atmos. Sci. 33, 1080–1086 (1976).
Bigg, E. K., Ono, A. & Williams, J. A. Atmos. Environ. 8, 1–13 (1974).
Ayers, G. P. Atmos. Environ. 11, 391–395 (1977).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
GRAS, J. Change in nature of stratospheric aerosol collected at 34°S. Nature 271, 231–232 (1978). https://doi.org/10.1038/271231a0
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1038/271231a0
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.
