Articles | Volume 15, issue 7
https://doi.org/10.5194/acp-15-3873-2015
https://doi.org/10.5194/acp-15-3873-2015
Research article
 | 
13 Apr 2015
Research article |  | 13 Apr 2015

Comparisons of polar processing diagnostics from 34 years of the ERA-Interim and MERRA reanalyses

Z. D. Lawrence, G. L. Manney, K. Minschwaner, M. L. Santee, and A. Lambert

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Cited articles

Bloom, S. C., Takacs, L. L., da Silva, A. M., and Ledvina, D.: Data Assimilation Using Incremental Analysis Updates, Mon. Weather Rev., 124, 1256–1271, 1996.
Brakebusch, M., Randall, C. E., Kinnison, D. E., Tilmes, S., Santee, M. L., and Manney, G. L.: Evaluation of whole atmosphere community climate model simulations of ozone during Arctic winter 2004–2005, J. Geophys. Res., 118, 2673–2688, 2013.
Coy, L. and Pawson, S.: The Major Stratospheric Sudden Warming of January 2013: Analyses and Forecasts in the GEOS-5 Data Assimilation System, Mon. Weather Rev., 143, 491–510, https://doi.org/10.1175/MWR-D-14-00023.1, 2015.
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Short summary
We use a comprehensive set of diagnostics to investigate how two widely used modern reanalysis data sets might affect studies of lower stratospheric polar processing and ozone loss. Our results show that the agreement in temperature diagnostics between the two reanalyses improves over time in both hemispheres with increasing assimilation model inputs. This suggests that both data sets are appropriate choices for studies of polar processing in recent winters.
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