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    Rights statement: An edited version of this paper was published by AGU. Copyright 2019 American Geophysical Union. Claxton, T., Hossaini, R., Wild, O., Chipperfield, M. P., & Wilson, C. ( 2019). On the regional and seasonal ozone depletion potential of chlorinated very short‐lived substances. Geophysical Research Letters, 46. https://doi.org/10.1029/2018GL081455 To view the published open abstract, go to http://dx.doi.org and enter the DOI.

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On the regional and seasonal ozone depletion potential of chlorinated very short-lived substances

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On the regional and seasonal ozone depletion potential of chlorinated very short-lived substances. / Claxton, Tom; Hossaini, Ryan; Wild, Oliver; Chipperfield, Martyn; Wilson, Chris.

In: Geophysical Research Letters, Vol. 46, No. 10, 28.05.2019, p. 5489-5498.

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Claxton, Tom ; Hossaini, Ryan ; Wild, Oliver ; Chipperfield, Martyn ; Wilson, Chris. / On the regional and seasonal ozone depletion potential of chlorinated very short-lived substances. In: Geophysical Research Letters. 2019 ; Vol. 46, No. 10. pp. 5489-5498.

Bibtex

@article{90c709e14d4d467bb19ec0771fc33013,
title = "On the regional and seasonal ozone depletion potential of chlorinated very short-lived substances",
abstract = "Chloroform (CHCl3), dichloromethane (CH2Cl2), perchloroethylene (C2Cl4) and 1,2-dichloroethane (C2H4Cl2) are chlorinated Very Short-Lived Substances (Cl-VSLS) with a range of commercial/industrial applications. Recent studies highlight the increasing influence of Cl-VSLS on the stratospheric chlorine budget and therefore their possible role in ozone depletion. Here, we evaluate the ozone depletion potential (ODP) of these Cl-VSLS using a three-dimensional chemical transport model and investigate sensitivity to emission location/season. The seasonal dependence of the ODPs is small but ODPs vary by a factor of 2-3 depending on the continent of emission: 0.0143-0.0264 (CHCl3), 0.0097-0.0208 (CH2Cl2), 0.0057-0.0198 (C2Cl4) and 0.0029-0.0119 (C2H4Cl2). Asian emissions produce the largest ODPs owing to proximity to the tropics and efficient troposphere-to-stratosphere transport of air originating from industrialised East Asia. The Cl-VSLS ODPs are generally small but the upper ends of the CHCl3 and CH2Cl2 ranges are comparable to the mean ODP of methyl chloride (0.02), a longer-lived ozone-depleting substance.",
author = "Tom Claxton and Ryan Hossaini and Oliver Wild and Martyn Chipperfield and Chris Wilson",
note = "An edited version of this paper was published by AGU. Copyright 2019 American Geophysical Union. Claxton, T., Hossaini, R., Wild, O., Chipperfield, M. P., & Wilson, C. ( 2019). On the regional and seasonal ozone depletion potential of chlorinated very short‐lived substances. Geophysical Research Letters, 46. https://doi.org/10.1029/2018GL081455 To view the published open abstract, go to http://dx.doi.org and enter the DOI.",
year = "2019",
month = may,
day = "28",
doi = "10.1029/2018GL081455",
language = "English",
volume = "46",
pages = "5489--5498",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "10",

}

RIS

TY - JOUR

T1 - On the regional and seasonal ozone depletion potential of chlorinated very short-lived substances

AU - Claxton, Tom

AU - Hossaini, Ryan

AU - Wild, Oliver

AU - Chipperfield, Martyn

AU - Wilson, Chris

N1 - An edited version of this paper was published by AGU. Copyright 2019 American Geophysical Union. Claxton, T., Hossaini, R., Wild, O., Chipperfield, M. P., & Wilson, C. ( 2019). On the regional and seasonal ozone depletion potential of chlorinated very short‐lived substances. Geophysical Research Letters, 46. https://doi.org/10.1029/2018GL081455 To view the published open abstract, go to http://dx.doi.org and enter the DOI.

PY - 2019/5/28

Y1 - 2019/5/28

N2 - Chloroform (CHCl3), dichloromethane (CH2Cl2), perchloroethylene (C2Cl4) and 1,2-dichloroethane (C2H4Cl2) are chlorinated Very Short-Lived Substances (Cl-VSLS) with a range of commercial/industrial applications. Recent studies highlight the increasing influence of Cl-VSLS on the stratospheric chlorine budget and therefore their possible role in ozone depletion. Here, we evaluate the ozone depletion potential (ODP) of these Cl-VSLS using a three-dimensional chemical transport model and investigate sensitivity to emission location/season. The seasonal dependence of the ODPs is small but ODPs vary by a factor of 2-3 depending on the continent of emission: 0.0143-0.0264 (CHCl3), 0.0097-0.0208 (CH2Cl2), 0.0057-0.0198 (C2Cl4) and 0.0029-0.0119 (C2H4Cl2). Asian emissions produce the largest ODPs owing to proximity to the tropics and efficient troposphere-to-stratosphere transport of air originating from industrialised East Asia. The Cl-VSLS ODPs are generally small but the upper ends of the CHCl3 and CH2Cl2 ranges are comparable to the mean ODP of methyl chloride (0.02), a longer-lived ozone-depleting substance.

AB - Chloroform (CHCl3), dichloromethane (CH2Cl2), perchloroethylene (C2Cl4) and 1,2-dichloroethane (C2H4Cl2) are chlorinated Very Short-Lived Substances (Cl-VSLS) with a range of commercial/industrial applications. Recent studies highlight the increasing influence of Cl-VSLS on the stratospheric chlorine budget and therefore their possible role in ozone depletion. Here, we evaluate the ozone depletion potential (ODP) of these Cl-VSLS using a three-dimensional chemical transport model and investigate sensitivity to emission location/season. The seasonal dependence of the ODPs is small but ODPs vary by a factor of 2-3 depending on the continent of emission: 0.0143-0.0264 (CHCl3), 0.0097-0.0208 (CH2Cl2), 0.0057-0.0198 (C2Cl4) and 0.0029-0.0119 (C2H4Cl2). Asian emissions produce the largest ODPs owing to proximity to the tropics and efficient troposphere-to-stratosphere transport of air originating from industrialised East Asia. The Cl-VSLS ODPs are generally small but the upper ends of the CHCl3 and CH2Cl2 ranges are comparable to the mean ODP of methyl chloride (0.02), a longer-lived ozone-depleting substance.

U2 - 10.1029/2018GL081455

DO - 10.1029/2018GL081455

M3 - Journal article

VL - 46

SP - 5489

EP - 5498

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 10

ER -