Stratospheric BrO abundance measured by a balloon-borne submillimeterwave radiometer

Stratospheric BrO abundance measured by a balloon-borne submillimeterwave radiometer

Measurements of mixing ratio profiles of stratospheric bromine monoxide (BrO) were made using observations of BrO rotational line emission at 650.179 GHz by a balloon-borne SIS (superconductor-insulator-superconductor) submillimeterwave heterodyne limb sounder (SLS). The balloon was launched from Ft...

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Main Authors: R. A. Stachnik, L. Millán, R. Jarnot, R. Monroe, C. McLinden, S. Kühl, J. Puķīte, M. Shiotani, M. Suzuki, Y. Kasai, F. Goutail, J. P. Pommereau, M. Dorf, K. Pfeilsticker
Format: Article
Language:English
Published: Copernicus Publications 2013-03-01
Series:Atmospheric Chemistry and Physics
Online Access:http://www.atmos-chem-phys.net/13/3307/2013/acp-13-3307-2013.pdf
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spelling doaj-2707504d967047fbb07edbccf4c4aeee2020-11-25T01:21:34ZengCopernicus PublicationsAtmospheric Chemistry and Physics1680-73161680-73242013-03-011363307331910.5194/acp-13-3307-2013Stratospheric BrO abundance measured by a balloon-borne submillimeterwave radiometerR. A. StachnikL. MillánR. JarnotR. MonroeC. McLindenS. KühlJ. PuķīteM. ShiotaniM. SuzukiY. KasaiF. GoutailJ. P. PommereauM. DorfK. PfeilstickerMeasurements of mixing ratio profiles of stratospheric bromine monoxide (BrO) were made using observations of BrO rotational line emission at 650.179 GHz by a balloon-borne SIS (superconductor-insulator-superconductor) submillimeterwave heterodyne limb sounder (SLS). The balloon was launched from Ft. Sumner, New Mexico (34&deg; N) on 22 September 2011. Peak mid-day BrO abundance varied from 16 ± 2 ppt at 34 km to 6 ± 4 ppt at 16 km. Corresponding estimates of total inorganic bromine (Br<sub>y</sub>), derived from BrO vmr (volume mixing ratio) using a photochemical box model, were 21 ± 3 ppt and 11 ± 5 ppt, respectively. Inferred Br<sub>y</sub> abundance exceeds that attributable solely to decomposition of long-lived methyl bromide and other halons, and is consistent with a contribution from bromine-containing very short lived substances, Br<sub>y</sub><sup>VSLS</sup>, of 4 ppt to 8 ppt. These results for BrO and Br<sub>y</sub> were compared with, and found to be in good agreement with, those of other recent balloon-borne and satellite instruments.http://www.atmos-chem-phys.net/13/3307/2013/acp-13-3307-2013.pdf
collection DOAJ
language English
format Article
sources DOAJ
author R. A. Stachnik
L. Millán
R. Jarnot
R. Monroe
C. McLinden
S. Kühl
J. Puķīte
M. Shiotani
M. Suzuki
Y. Kasai
F. Goutail
J. P. Pommereau
M. Dorf
K. Pfeilsticker
spellingShingle R. A. Stachnik
L. Millán
R. Jarnot
R. Monroe
C. McLinden
S. Kühl
J. Puķīte
M. Shiotani
M. Suzuki
Y. Kasai
F. Goutail
J. P. Pommereau
M. Dorf
K. Pfeilsticker
Stratospheric BrO abundance measured by a balloon-borne submillimeterwave radiometer
Atmospheric Chemistry and Physics
author_facet R. A. Stachnik
L. Millán
R. Jarnot
R. Monroe
C. McLinden
S. Kühl
J. Puķīte
M. Shiotani
M. Suzuki
Y. Kasai
F. Goutail
J. P. Pommereau
M. Dorf
K. Pfeilsticker
author_sort R. A. Stachnik
title Stratospheric BrO abundance measured by a balloon-borne submillimeterwave radiometer
title_short Stratospheric BrO abundance measured by a balloon-borne submillimeterwave radiometer
title_full Stratospheric BrO abundance measured by a balloon-borne submillimeterwave radiometer
title_fullStr Stratospheric BrO abundance measured by a balloon-borne submillimeterwave radiometer
title_full_unstemmed Stratospheric BrO abundance measured by a balloon-borne submillimeterwave radiometer
title_sort stratospheric bro abundance measured by a balloon-borne submillimeterwave radiometer
publisher Copernicus Publications
series Atmospheric Chemistry and Physics
issn 1680-7316
1680-7324
publishDate 2013-03-01
description Measurements of mixing ratio profiles of stratospheric bromine monoxide (BrO) were made using observations of BrO rotational line emission at 650.179 GHz by a balloon-borne SIS (superconductor-insulator-superconductor) submillimeterwave heterodyne limb sounder (SLS). The balloon was launched from Ft. Sumner, New Mexico (34&deg; N) on 22 September 2011. Peak mid-day BrO abundance varied from 16 ± 2 ppt at 34 km to 6 ± 4 ppt at 16 km. Corresponding estimates of total inorganic bromine (Br<sub>y</sub>), derived from BrO vmr (volume mixing ratio) using a photochemical box model, were 21 ± 3 ppt and 11 ± 5 ppt, respectively. Inferred Br<sub>y</sub> abundance exceeds that attributable solely to decomposition of long-lived methyl bromide and other halons, and is consistent with a contribution from bromine-containing very short lived substances, Br<sub>y</sub><sup>VSLS</sup>, of 4 ppt to 8 ppt. These results for BrO and Br<sub>y</sub> were compared with, and found to be in good agreement with, those of other recent balloon-borne and satellite instruments.
url http://www.atmos-chem-phys.net/13/3307/2013/acp-13-3307-2013.pdf
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