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Weather and Climate Dynamics An interactive open-access journal of the European Geosciences Union
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WCD | Articles | Volume 1, issue 2
WCD | Articles | Volume 1, issue 2
Weather Clim. Dynam., 1, 293–311, 2020
https://doi.org/10.5194/wcd-1-293-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Weather Clim. Dynam., 1, 293–311, 2020
https://doi.org/10.5194/wcd-1-293-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
WCD | Articles | Volume 1, issue 2

Research article 08 Jul 2020

Research article | 08 Jul 2020

Atmospheric blocking in an aquaplanet and the impact of orography

Veeshan Narinesingh et al.

Data sets

The ERA-Interim reanalysis: configuration and performance of the data assimilation system (https://www.ecmwf.int/en/forecasts/datasets/reanalysis-datasets/era-interim/) 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. Kållberg, M. Köhler, M. Matricardi, A. P. McNally, B. M. Monge-Sanz, J. Morcrette, B. Park, C. Peubey, P. de Rosnay, C. Tavolato, J. Thépaut, and F. Vitart https://doi.org/10.1002/qj.828

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This work investigates the influence of orography on atmospheric blocking dynamics, spatial frequency, and duration. Using an idealized model, a landless integration and integrations with mountains are analyzed. The dynamical evolution of blocking in the idealized model is found to be similar to reanalysis. Orography is found to significantly increase blocking and anchors where blocks most likely occur (i.e., just upstream from mountains and near storm track exits).
This work investigates the influence of orography on atmospheric blocking dynamics, spatial...
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Weather and Climate Dynamics

An interactive open-access journal of the European Geosciences Union

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