Articles | Volume 16, issue 24
Atmos. Chem. Phys., 16, 15619–15627, 2016
https://doi.org/10.5194/acp-16-15619-2016
Atmos. Chem. Phys., 16, 15619–15627, 2016
https://doi.org/10.5194/acp-16-15619-2016

Research article 20 Dec 2016

Research article | 20 Dec 2016

Antarctic ozone depletion between 1960 and 1980 in observations and chemistry–climate model simulations

Ulrike Langematz et al.

Data sets

The BDBP Bodeker Scientific http://www.bodekerscientific.com/data/the-bdbp

NCEP/NCAR Global Reanalysis Products, 1948-continuing. Research Data Archive at the National Center for Atmospheric Research, Computational and Information Systems Laboratory National Centers for Environmental Prediction/National Weather Service/NOAA/U.S. Department of Commerce http://rda.ucar.edu/datasets/ds090.0/#description

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Short summary
The extent of anthropogenically driven Antarctic ozone depletion prior to 1980 is examined using transient chemistry–climate model simulations from 1960 to 2000 with prescribed changes of ozone depleting substances in conjunction with observations. All models show a long-term, halogen-induced negative trend in Antarctic ozone from 1960 to 1980, ranging between 26 and 50 % of the total anthropogenic ozone depletion from 1960 to 2000. A stronger ozone decline of 56 % was estimated from observation.
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