Articles | Volume 14, issue 11
https://doi.org/10.5194/tc-14-4135-2020
https://doi.org/10.5194/tc-14-4135-2020
Research article
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19 Nov 2020
Research article | Highlight paper |  | 19 Nov 2020

Distinguishing the impacts of ozone and ozone-depleting substances on the recent increase in Antarctic surface mass balance

Rei Chemke, Michael Previdi, Mark R. England, and Lorenzo M. Polvani

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Cited articles

Agosta, C., Amory, C., Kittel, C., Orsi, A., Favier, V., Gallée, H., van den Broeke, M. R., Lenaerts, J. T. M., van Wessem, J. M., van de Berg, W. J., and Fettweis, X.: Estimation of the Antarctic surface mass balance using the regional climate model MAR (1979–2015) and identification of dominant processes, The Cryosphere, 13, 281–296, https://doi.org/10.5194/tc-13-281-2019, 2019. a
Barnes, E. A., Barnes, N. W., and Polvani, L. M.: Delayed Southern Hemisphere Climate Change Induced by Stratospheric Ozone Recovery, as Projected by the CMIP5 Models, J. Climate, 27, 852–867, 2014. a
Cataldo, M., Evangelista, H., Simões, J. C., Godoi, R. H. M., Simmonds, I., Hollanda, M. H., Wainer, I., Aquino, F., and Van Grieken, R.: Mineral dust variability in central West Antarctica associated with ozone depletion, Atmos. Chem. Phys., 13, 2165–2175, https://doi.org/10.5194/acp-13-2165-2013, 2013. a
England, M. R., Polvani, L. M., Smith, K. L., Landrum, L., and Holland, M. M.: Robust response of the Amundsen Sea Low to stratospheric ozone depletion, Geophys. Res. Lett., 43, 8207–8213, 2016. a, b, c
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Short summary
The increase in Antarctic surface mass balance (SMB, precipitation vs. evaporation/sublimation) is projected to mitigate sea-level rise. Here we show that nearly half of this increase over the 20th century is attributed to stratospheric ozone depletion and ozone-depleting substance (ODS) emissions. Our results suggest that the phaseout of ODS by the Montreal Protocol, and the recovery of stratospheric ozone, will act to decrease the SMB over the 21st century and the mitigation of sea-level rise.