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Evidence of inorganic chlorine gases other than hydrogen chloride in marine surface air
Open accessAbstract
We report the first measurements of inorganic chlorine gases in the marine atmosphere using a new tandem mist chamber method. Surface air was sampled during four days including one diel cycle in January, 1992, at Virginia Key, Florida. Concentrations of HCl* (including HCl, ClNO 3, ClNO 2, and NOCl) were in the range 40 to 268 pptv and concentrations of Cl 2* (including Cl 2 and any HOCl not trapped in the acidic mist chamber) were in the range <26 to 254 pptv Cl. Concentrations of Cl 2* increased during the night, and decreased after sunrise as HCl* concentrations increased by similar amounts. The measurements suggest an unknown source of either HOCl or Cl 2 to the marine atmosphere. Photochemical model calculations indicate that photolysis of the observed Cl 2* would yield a chlorine atom (Cl•) concentration of order 10 4–10 5 cm−3. Oxidation by Cl• would then represent a significant sink for alkanes and dimethylsulfide (DMS) in the marine boundary layer. The cycling of Cl• could provide either a source or a sink for O 3, depending on NO X levels.
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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
Self-citationNighttime radical observations and chemistry
Brown, S. S., & Stutz, J. (2012) · Chemical Society Reviews · doi:10.1039/c2cs35181a · Cited by 637
High levels of nitryl chloride in the polluted subtropical marine boundary layer
Osthoff, H. D., Roberts, J. M., Ravishankara, A. R., Williams, E. J., Lerner, B. M., Sommariva, R., Bates, T. S., Coffman, D., Quinn, P. K., Dibb, J. E., et al. (2008) · Nature Geoscience · doi:10.1038/ngeo177 · Cited by 483
The Origin of Naturally Occurring Perchlorate: The Role of Atmospheric Processes
Dasgupta, P. K., Martinelango, P. K., Jackson, W. A., Anderson, T. A., Tian, K., Tock, R. W., & Rajagopalan, S. (2005) · Environmental Science & Technology · doi:10.1021/es048612x · Cited by 438
Metadata
- Authors
- Pszenny, A. A. P., Keene, W. C., Jacob, D. J., Fan, S., Maben, J. R., Zetwo, M. P., Springer‐Young, M., & Galloway, J. N.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 1993-04-23
- Volume
- 20
- Issue
- 8
- Pages
- 699-702
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W1988190202
- Cited by
- 338
- References
- 0
- FWCI
- 12.47
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Evidence of inorganic chlorine gases other than hydrogen chloride in marine surface air. https://app.cochat.ai/papers/10.1029/93gl00047
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- Pszenny, A. A. P., Keene, W. C., Jacob, D. J., Fan, S., Maben, J. R., Zetwo, M. P., Springer‐Young, M., & Galloway, J. N. (1993). Evidence of inorganic chlorine gases other than hydrogen chloride in marine surface air. Geophysical Research Letters. https://doi.org/10.1029/93gl00047
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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