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Phosgene in the upper troposphere and lower stratosphere: a marker for product gas injection due to chlorine-containing very short-lived substances

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Phosgene in the upper troposphere and lower stratosphere: a marker for product gas injection due to chlorine-containing very short-lived substances. / Harrison, Jeremy J.; Chipperfield, Martyn P.; Hossaini, Ryan et al.
In: Geophysical Research Letters, Vol. 46, No. 2, 28.01.2019, p. 1032-1039.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Harrison, JJ, Chipperfield, MP, Hossaini, R, Boone, CD, Dhomse, S, Feng, W & Bernath, PF 2019, 'Phosgene in the upper troposphere and lower stratosphere: a marker for product gas injection due to chlorine-containing very short-lived substances', Geophysical Research Letters, vol. 46, no. 2, pp. 1032-1039. https://doi.org/10.1029/2018GL079784

APA

Harrison, J. J., Chipperfield, M. P., Hossaini, R., Boone, C. D., Dhomse, S., Feng, W., & Bernath, P. F. (2019). Phosgene in the upper troposphere and lower stratosphere: a marker for product gas injection due to chlorine-containing very short-lived substances. Geophysical Research Letters, 46(2), 1032-1039. https://doi.org/10.1029/2018GL079784

Vancouver

Harrison JJ, Chipperfield MP, Hossaini R, Boone CD, Dhomse S, Feng W et al. Phosgene in the upper troposphere and lower stratosphere: a marker for product gas injection due to chlorine-containing very short-lived substances. Geophysical Research Letters. 2019 Jan 28;46(2):1032-1039. Epub 2019 Jan 23. doi: 10.1029/2018GL079784

Author

Harrison, Jeremy J. ; Chipperfield, Martyn P. ; Hossaini, Ryan et al. / Phosgene in the upper troposphere and lower stratosphere : a marker for product gas injection due to chlorine-containing very short-lived substances. In: Geophysical Research Letters. 2019 ; Vol. 46, No. 2. pp. 1032-1039.

Bibtex

@article{2546b6e60aac4de984fa6f38471f2be0,
title = "Phosgene in the upper troposphere and lower stratosphere: a marker for product gas injection due to chlorine-containing very short-lived substances",
abstract = "Phosgene in the atmosphere is produced via the degradation of carbon tetrachloride, methyl chloroform, and a number of chlorine-containing very short-lived substances (VSLS). These VSLS are not regulated by the Montreal Protocol even though they contribute to stratospheric ozone depletion. While observations of VSLS can quantify direct stratospheric source gas injection (SGI), observations of phosgene in the upper troposphere/lower stratosphere (UTLS) can be used as a marker of product gas injection (PGI) of chlorine-containing VSLS. In this work we report UTLS measurements of phosgene made by the ACE-FTS (Atmospheric Chemistry Experiment Fourier Transform Spectrometer) instrument, and compare with results from the TOMCAT/SLIMCAT three-dimensional chemical transport model to constrain phosgene trends over the 2004-2016 period. The thirteen-year ACE-FTS time series provides the first observational evidence for an increase in chlorine PGI. In 2016, VSLS accounted for 27% of modelled stratospheric phosgene, up from 20% in the mid-2000s.",
keywords = "chlorine, stratosphere, upper troposphere, phosgene, very short-lived substances, carbon tetrachloride",
author = "Harrison, {Jeremy J.} and Chipperfield, {Martyn P.} and Ryan Hossaini and Boone, {Christopher D.} and Sandip Dhomse and Wuhu Feng and Bernath, {Peter F.}",
year = "2019",
month = jan,
day = "28",
doi = "10.1029/2018GL079784",
language = "English",
volume = "46",
pages = "1032--1039",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "2",

}

RIS

TY - JOUR

T1 - Phosgene in the upper troposphere and lower stratosphere

T2 - a marker for product gas injection due to chlorine-containing very short-lived substances

AU - Harrison, Jeremy J.

AU - Chipperfield, Martyn P.

AU - Hossaini, Ryan

AU - Boone, Christopher D.

AU - Dhomse, Sandip

AU - Feng, Wuhu

AU - Bernath, Peter F.

PY - 2019/1/28

Y1 - 2019/1/28

N2 - Phosgene in the atmosphere is produced via the degradation of carbon tetrachloride, methyl chloroform, and a number of chlorine-containing very short-lived substances (VSLS). These VSLS are not regulated by the Montreal Protocol even though they contribute to stratospheric ozone depletion. While observations of VSLS can quantify direct stratospheric source gas injection (SGI), observations of phosgene in the upper troposphere/lower stratosphere (UTLS) can be used as a marker of product gas injection (PGI) of chlorine-containing VSLS. In this work we report UTLS measurements of phosgene made by the ACE-FTS (Atmospheric Chemistry Experiment Fourier Transform Spectrometer) instrument, and compare with results from the TOMCAT/SLIMCAT three-dimensional chemical transport model to constrain phosgene trends over the 2004-2016 period. The thirteen-year ACE-FTS time series provides the first observational evidence for an increase in chlorine PGI. In 2016, VSLS accounted for 27% of modelled stratospheric phosgene, up from 20% in the mid-2000s.

AB - Phosgene in the atmosphere is produced via the degradation of carbon tetrachloride, methyl chloroform, and a number of chlorine-containing very short-lived substances (VSLS). These VSLS are not regulated by the Montreal Protocol even though they contribute to stratospheric ozone depletion. While observations of VSLS can quantify direct stratospheric source gas injection (SGI), observations of phosgene in the upper troposphere/lower stratosphere (UTLS) can be used as a marker of product gas injection (PGI) of chlorine-containing VSLS. In this work we report UTLS measurements of phosgene made by the ACE-FTS (Atmospheric Chemistry Experiment Fourier Transform Spectrometer) instrument, and compare with results from the TOMCAT/SLIMCAT three-dimensional chemical transport model to constrain phosgene trends over the 2004-2016 period. The thirteen-year ACE-FTS time series provides the first observational evidence for an increase in chlorine PGI. In 2016, VSLS accounted for 27% of modelled stratospheric phosgene, up from 20% in the mid-2000s.

KW - chlorine

KW - stratosphere

KW - upper troposphere

KW - phosgene

KW - very short-lived substances

KW - carbon tetrachloride

U2 - 10.1029/2018GL079784

DO - 10.1029/2018GL079784

M3 - Journal article

VL - 46

SP - 1032

EP - 1039

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 2

ER -