Stratospheric SO 3 : Upper limits inferred from ion composition measurements ‐ Implications for H 2 SO 4  and aerosol formation | Zendy

Reiner Thomas | Zendy; Arnold Frank | Zendy

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Stratospheric SO 3 : Upper limits inferred from ion composition measurements ‐ Implications for H 2 SO 4 and aerosol formation

Author(s) -

Reiner Thomas,

Arnold Frank

Publication year - 1997

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/97gl01758

Subject(s) - stratosphere , aerosol , atmospheric sciences , ion , gas phase , atmosphere (unit) , phase (matter) , atmosphere of earth , environmental science , analytical chemistry (journal) , physics , meteorology , chemistry , thermodynamics , environmental chemistry , quantum mechanics

Upper limits for the concentration of stratospheric gas phase SO 3 have been inferred from a reanalysis of previous balloon‐borne ion composition measurements made at altitudes between 29 and 41 km. Assuming steady state conditions for the production and loss of gaseous SO 3 lower limits for the first‐order loss rate coefficient of SO 3 could be deduced. These lower limits are compared with calculated loss rate coefficients associated with potential loss processes for SO 3 and implications for the formation of gaseous H 2 SO 4 are discussed. In particular, the present analysis shows that no gas phase H 2 SO 4 can be produced from the gas phase reaction of SO 3 with H 2 O at altitudes above the stratospheric H 2 SO 4 / H 2 O aerosol layer.

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