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On the Cause of Recent Variations in Lower Stratospheric Ozone

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On the Cause of Recent Variations in Lower Stratospheric Ozone. / Chipperfield, Martyn P.; Dhomse, Sandip; Hossaini, Ryan et al.
In: Geophysical Research Letters, Vol. 45, No. 11, 16.06.2018, p. 5718-5726.

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

Harvard

Chipperfield, MP, Dhomse, S, Hossaini, R, Feng, W, Santee, ML, Weber, M, Burrows, JP, Wild, JD, Loyola, D & Coldewey-egbers, M 2018, 'On the Cause of Recent Variations in Lower Stratospheric Ozone', Geophysical Research Letters, vol. 45, no. 11, pp. 5718-5726. https://doi.org/10.1029/2018GL078071

APA

Chipperfield, M. P., Dhomse, S., Hossaini, R., Feng, W., Santee, M. L., Weber, M., Burrows, J. P., Wild, J. D., Loyola, D., & Coldewey-egbers, M. (2018). On the Cause of Recent Variations in Lower Stratospheric Ozone. Geophysical Research Letters, 45(11), 5718-5726. https://doi.org/10.1029/2018GL078071

Vancouver

Chipperfield MP, Dhomse S, Hossaini R, Feng W, Santee ML, Weber M et al. On the Cause of Recent Variations in Lower Stratospheric Ozone. Geophysical Research Letters. 2018 Jun 16;45(11):5718-5726. Epub 2018 Jun 10. doi: 10.1029/2018GL078071

Author

Chipperfield, Martyn P. ; Dhomse, Sandip ; Hossaini, Ryan et al. / On the Cause of Recent Variations in Lower Stratospheric Ozone. In: Geophysical Research Letters. 2018 ; Vol. 45, No. 11. pp. 5718-5726.

Bibtex

@article{1ce1972469bc49b58c844f6dce4d0377,
title = "On the Cause of Recent Variations in Lower Stratospheric Ozone",
abstract = "We use height‐resolved and total column satellite observations and 3‐D chemical transport model simulations to study stratospheric ozone variations during 1998–2017 as ozone‐depleting substances decline. In 2017 extrapolar lower stratospheric ozone displayed a strong positive anomaly following much lower values in 2016. This points to large interannual variability rather than an ongoing downward trend, as reported recently by Ball et al. (2018, https://doi.org/10.5194/acp‐18‐1379‐2018). The observed ozone variations are well captured by the chemical transport model throughout the stratosphere and are largely driven by meteorology. Model sensitivity experiments show that the contribution of past trends in short‐lived chlorine species to the ozone changes is small. Similarly, the potential impact of modest trends in natural brominated short‐lived species is small. These results confirm the important role that atmospheric dynamics plays in controlling ozone in the extrapolar lower stratosphere on multiannual time scales and the continued importance of monitoring ozone profiles as the stratosphere changes.",
keywords = "ozone, recovery, tropics",
author = "Chipperfield, {Martyn P.} and Sandip Dhomse and Ryan Hossaini and Wuhu Feng and Santee, {Michelle L.} and Mark Weber and Burrows, {John P.} and Wild, {Jeanette D.} and Diego Loyola and Melanie Coldewey-egbers",
year = "2018",
month = jun,
day = "16",
doi = "10.1029/2018GL078071",
language = "English",
volume = "45",
pages = "5718--5726",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "11",

}

RIS

TY - JOUR

T1 - On the Cause of Recent Variations in Lower Stratospheric Ozone

AU - Chipperfield, Martyn P.

AU - Dhomse, Sandip

AU - Hossaini, Ryan

AU - Feng, Wuhu

AU - Santee, Michelle L.

AU - Weber, Mark

AU - Burrows, John P.

AU - Wild, Jeanette D.

AU - Loyola, Diego

AU - Coldewey-egbers, Melanie

PY - 2018/6/16

Y1 - 2018/6/16

N2 - We use height‐resolved and total column satellite observations and 3‐D chemical transport model simulations to study stratospheric ozone variations during 1998–2017 as ozone‐depleting substances decline. In 2017 extrapolar lower stratospheric ozone displayed a strong positive anomaly following much lower values in 2016. This points to large interannual variability rather than an ongoing downward trend, as reported recently by Ball et al. (2018, https://doi.org/10.5194/acp‐18‐1379‐2018). The observed ozone variations are well captured by the chemical transport model throughout the stratosphere and are largely driven by meteorology. Model sensitivity experiments show that the contribution of past trends in short‐lived chlorine species to the ozone changes is small. Similarly, the potential impact of modest trends in natural brominated short‐lived species is small. These results confirm the important role that atmospheric dynamics plays in controlling ozone in the extrapolar lower stratosphere on multiannual time scales and the continued importance of monitoring ozone profiles as the stratosphere changes.

AB - We use height‐resolved and total column satellite observations and 3‐D chemical transport model simulations to study stratospheric ozone variations during 1998–2017 as ozone‐depleting substances decline. In 2017 extrapolar lower stratospheric ozone displayed a strong positive anomaly following much lower values in 2016. This points to large interannual variability rather than an ongoing downward trend, as reported recently by Ball et al. (2018, https://doi.org/10.5194/acp‐18‐1379‐2018). The observed ozone variations are well captured by the chemical transport model throughout the stratosphere and are largely driven by meteorology. Model sensitivity experiments show that the contribution of past trends in short‐lived chlorine species to the ozone changes is small. Similarly, the potential impact of modest trends in natural brominated short‐lived species is small. These results confirm the important role that atmospheric dynamics plays in controlling ozone in the extrapolar lower stratosphere on multiannual time scales and the continued importance of monitoring ozone profiles as the stratosphere changes.

KW - ozone

KW - recovery

KW - tropics

U2 - 10.1029/2018GL078071

DO - 10.1029/2018GL078071

M3 - Journal article

VL - 45

SP - 5718

EP - 5726

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 11

ER -