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ACP | Articles | Volume 19, issue 5
Atmos. Chem. Phys., 19, 3097–3124, 2019
https://doi.org/10.5194/acp-19-3097-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 19, 3097–3124, 2019
https://doi.org/10.5194/acp-19-3097-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 11 Mar 2019

Research article | 11 Mar 2019

From ERA-Interim to ERA5: the considerable impact of ECMWF's next-generation reanalysis on Lagrangian transport simulations

Lars Hoffmann et al.

Data sets

The ERA-Interim reanalysis: configuration and performance of the data assimilation system D. P. Dee, S. M. Uppala, A. J. Simmons, P. Berrisford, P. Poli, S. Kobayashi, U. Andrae, M. A. Balmaseda, G. Balsamo, P. Bauer, P. Bechtold, A. C. M. Beljaars, L. van de Berg, J. Bidlot, N. Bormann, C. Delsol, R. Dragani, M. Fuentes, A. J. Geer, L. Haimberger, S. B. Healy, H. Hersbach, E. V. Hólm, L. Isaksen, P. Kãllberg, M. Köhler, M. Matricardi, A. P. McNally, B. M. Monge-Sanz, J.-J. Morcrette, B.-K. Park, C. Peubey, P. de Rosnay, C. Tavolato, J.-N. Thépaut, and F. Vitart https://doi.org/10.1002/qj.828

ERA5 reanalysis is in production, ECMWF Newsletter H. Hersbach, and D. Dee https://www.ecmwf. int/en/newsletter/147/news/era5-reanalysis-production

CDO User’s Guide, Max-Planck-Institut für Meteorologie U. Schulzweida https://code.zmaw.de/projects/cdo

Model code and software

Lagrangian transport simulations of volcanic sulfur dioxide emissions: impact of meteorological data products L. Hoffmann, T. Rößler, S. Griessbach, Y. Heng, and O. Stein https://doi.org/10.1002/2015JD023749

A new Chemical Lagrangian 110 Model of the Stratosphere (CLaMS) 2. Formulation of chemistry scheme and initialization D. S. McKenna, J.-U. Grooß, G. Günther, P. Konopka, R. Müller, G. Carver, and Y. Sasano https://doi.org/10.1029/2000JD000113

A new Chemical Lagrangian Model of the Stratosphere (CLaMS) 1. Formulation of advection and mixing D. S. McKenna, P. Konopka, J.-U. Grooß, G. Günther, R. Müller, R. Spang, D. Offermann, and Y. Orsolini https://doi.org/10.1029/2000JD000114

Publications Copernicus
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ECMWF's new ERA5 reanalysis provides higher spatiotemporal resolution, yielding an improved representation of meso- and synoptic-scale features of the atmosphere. We assessed the impact of this challenging new data set on Lagrangian trajectory calculations for the free troposphere and stratosphere. Key findings are considerable transport deviations between the ERA5 and ERA-Interim simulations as well as significantly improved conservation of potential temperature in the stratosphere for ERA5.
ECMWF's new ERA5 reanalysis provides higher spatiotemporal resolution, yielding an improved...
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