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Sensitivity analysis of a chemical mechanism for aqueous‐phase atmospheric chemistry
Abstract
The sensitivity analysis of a comprehensive chemical mechanism for aqueous‐phase atmospheric chemistry is performed. The main aqueous‐phase reaction pathways for the system are the oxidation of S(IV) by H 2 O 2, OH, O 2 (catalyzed by Fe 3+ and Mn 2+), O 3 and HSO 5−. The HO 2(aq) and OH(aq) radicals contribute indirectly to this process by producing and consuming H 2 O 2(aq), respectively. The dominant pathway for HNO 3(aq) acidity is scavenging of nitric acid from the gas phase. HCOOH is produced because of the reaction of HCHO(aq) with OH(aq). The gas‐phase concentrations of SO 2, H 2 O 2, HO 2, OH, O 3, HCHO, NH 3, HNO 3, and HCl are of primary importance. An increase in the liquid water content of the cloud results in a decrease of the sulfate concentration but an increase of the total sulfate amount in the aqueous phase. A condensed mechanism is derived from the analysis.
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Citations
Cited by
Heterogeneous chemistry and tropospheric ozone
Jacob, D. (2000) · Atmospheric Environment · doi:10.1016/s1352-2310(99)00462-8 · Cited by 1,289
Sensitivity analysis of complex kinetic systems. Tools and applications
Tur�nyi, T. (1990) · Journal of Mathematical Chemistry · doi:10.1007/bf01166355 · Cited by 572
Compilation of Henry's law constants (version 5.0.0) for water as solvent
Sander, R. (2023) · Atmospheric Chemistry and Physics · doi:10.5194/acp-23-10901-2023 · Cited by 474
Sensitivity of PM 2.5 to climate in the Eastern US: a modeling case study
Dawson, J. P., Adams, P. J., & Pandis, S. N. (2007) · Atmospheric Chemistry and Physics · doi:10.5194/acp-7-4295-2007 · Cited by 309
Self-citationHeterogeneous sulfate production in an urban fog
Pandis, S. N., Seinfeld, J. H., & Pilinis, C. (1992) · Atmospheric Environment. Part A. General Topics · doi:10.1016/0960-1686(92)90103-r · Cited by 74
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Metadata
- Authors
- Pandis, S. N., & Seinfeld, J. H.
- Venue
- Journal of Geophysical Research: Atmospheres
- Publisher
- American Geophysical Union (AGU)
- Published
- 1989-01-20
- Volume
- 94
- Issue
- D1
- Pages
- 1105-1126
- ISSN
- 0148-0227 (ISSN-L)
- OpenAlex
- W2029931639
- Cited by
- 401
- References
- 0
- FWCI
- 13.98
- Type
- journal article
- Language
- en
- Open access
- closed
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- Pandis, S. N., & Seinfeld, J. H. (1989). Sensitivity analysis of a chemical mechanism for aqueous‐phase atmospheric chemistry. Journal of Geophysical Research: Atmospheres. https://doi.org/10.1029/jd094id01p01105
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