Weather Regime definition for the Euro-Atlantic sector (Daily, DFJM, 1979-2018) used for ACDC-ESM ...
Weather Regime definition for the Euro-Atlantic sector at daily resolution from 1979-2018 for December to March in CSV format TL;DR : this is the weather regime assignment based the method as set out by Swinda K.J. Falkena in 'Revisiting the identification of wintertime atmosphericcirculation r...
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| Format: | Dataset |
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Zenodo
2023
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| Online Access: | https://dx.doi.org/10.5281/zenodo.7782226 https://zenodo.org/record/7782226 |
| Summary: | Weather Regime definition for the Euro-Atlantic sector at daily resolution from 1979-2018 for December to March in CSV format TL;DR : this is the weather regime assignment based the method as set out by Swinda K.J. Falkena in 'Revisiting the identification of wintertime atmosphericcirculation regimes in the Euro-Atlantic sector' (10.1002/qj.3818). Daily data is provided for December to March for the period 1979-2018. Method Description The weather regime assignment can be obtained by applying k -means clustering to the full field data of geopotential height data. Following the observed circulation in reanalysis data, the optimal number of clusters is six. By incorporating a weak persistence constraint in the clustering procedure the assignment is stabilized, without changing the weather regime occurrence rates. The six regimes used have been labelled to indicate atmospheric state. Due to their symmetry, a name (Atlantic Ridge (AR), North Atlantic Oscillation (NAO) and Scandinavian Blocking (SB)) and state ... : Swinda K.J. Falkena was supported by the Centre for Doctoral Training in Mathematics of Planet Earth, with funding from the UK Engineering and Physical Sciences Research Council (EPSRC) (grant EP/L016613/1). Laurens P. Stoop received funding from the Netherlands Organization for Scientific Research (NWO) under Grant No. 647.003.005. ... |
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