DOI: 10.1029/gl017i004p00513. In situ measurements of BrO in the Arctic stratosphere

In situ measurements of BrO in the Arctic stratosphere

10.1029/gl017i004p00513

Crossref journal-article

American Geophysical Union (AGU)

Geophysical Research Letters (13)

Abstract

Mixing ratios of BrO have been measured in the arctic lower stratosphere with an instrument mounted on the NASA ER‐2 aircraft. Observations from fourteen flights above the Arctic Circle in January and February of 1989 defined mixing ratios within the vortex of 4±2 parts per trillion by volume (pptv) at a potential temperature of 400 K, rising to 8±2 pptv at 470 K. These values are twice as large as values found at equivalent potential temperatures at lower latitudes, and are comparable to the mixing ratios found inside the antarctic polar vortex. Within the statistical uncertainty of the measurements, no BrO was observed in darkness at any time either inside or outside of the vortex, indicating that active bromine was sequestered in long‐lived reservoirs, probably BrONO2 and BrCl. These measurements, in conjunction with measurements of ClO, demonstrate that the interaction of bromine and chlorine could represent a major sink for ozone in the presence of sunlight.

Bibliography

Toohey, D. W., Anderson, J. G., Brune, W. H., & Chan, K. R. (1990). In situ measurements of BrO in the Arctic stratosphere. Geophysical Research Letters, 17(4), 513â516. Portico.

Authors 4

D. W. Toohey (first)
J. G. Anderson (additional)
W. H. Brune (additional)
K. R. Chan (additional)

References 19 Referenced 69

10.1029/JD094iD09p11480
10.1029/GL013i013p01391
10.1126/science.242.4878.558
10.1029/JD094iD14p16639
10.1029/JD094iD14p16649
{'key': 'e_1_2_1_7_1', 'article-title': 'in situ observations of ClO in the arctic stratosphere: EP‐2 aircraft results from 59°N to 80°N latitude', 'author': 'Brune W. H.', 'journal-title': 'Geophys. Res. Left.'} / Geophys. Res. Left. / in situ observations of ClO in the arctic stratosphere: EP‐2 aircraft results from 59°N to 80°N latitude by Brune W. H.
{'key': 'e_1_2_1_8_1', 'article-title': 'The sunrise and sunset variation of ClO in the lower stratosphere', 'author': 'Brune W. H.', 'journal-title': 'Geophys. Res. Lett'} / Geophys. Res. Lett / The sunrise and sunset variation of ClO in the lower stratosphere by Brune W. H.
{'key': 'e_1_2_1_9_1', 'article-title': 'Nitric oxide measurements in the arctic winter stratosphere', 'author': 'Fahey D. W.', 'journal-title': 'Geophys. Res. Lett.'} / Geophys. Res. Lett. / Nitric oxide measurements in the arctic winter stratosphere by Fahey D. W.
10.1021/j100349a016
10.1038/321759a0
10.1029/GL016i008p00787
10.1029/JD092iD07p08329
10.1126/science.242.4878.550
10.1029/JD094iD09p11393
10.1021/j100318a002
10.1029/JD094iD09p11181
10.1029/GL002i006p00215
World Meteorological Organization Atmospheric Ozone 1985 Global Ozone Research and Monitoring Projet Report No. 16 1986
10.1175/1520-0469(1980)037<0339:ABAOPI>2.0.CO;2

Dates

Type	When
Created	17 years, 7 months ago (Feb. 6, 2008, 11:32 a.m.)
Deposited	1 year, 11 months ago (Sept. 22, 2023, 8:20 p.m.)
Indexed	2 months, 1 week ago (June 27, 2025, 9:45 a.m.)
Issued	35 years, 6 months ago (March 1, 1990)
Published	35 years, 6 months ago (March 1, 1990)
Published Online	12 years, 9 months ago (Dec. 7, 2012)
Published Print	35 years, 6 months ago (March 1, 1990)

Funders 0

None

BibTeX

@article{Toohey_1990, title={In situ measurements of BrO in the Arctic stratosphere}, volume={17}, ISSN={1944-8007}, url={http://dx.doi.org/10.1029/gl017i004p00513}, DOI={10.1029/gl017i004p00513}, number={4}, journal={Geophysical Research Letters}, publisher={American Geophysical Union (AGU)}, author={Toohey, D. W. and Anderson, J. G. and Brune, W. H. and Chan, K. R.}, year={1990}, month=mar, pages={513–516} }

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