Articles | Volume 15, issue 3
https://doi.org/10.5194/esd-15-607-2024
https://doi.org/10.5194/esd-15-607-2024
Research article
 | 
21 May 2024
Research article |  | 21 May 2024

Classification of synoptic circulation patterns with a two-stage clustering algorithm using the modified structural similarity index metric (SSIM)

Kristina Winderlich, Clementine Dalelane, and Andreas Walter

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Classification of synoptic circulation patterns with a two-stage clustering algorithm using the structural similarity index metric (SSIM)
Kristina Winderlich, Clementine Dalelane, and Andreas Walter
Earth Syst. Dynam. Discuss., https://doi.org/10.5194/esd-2022-29,https://doi.org/10.5194/esd-2022-29, 2022
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Cited articles

Adams, R. E., Lee, C. C., Smith, E. T., and Sheridan, S. C.: The relationship between atmospheric circulation patterns and extreme temperature events in North America, Int. J. Climatol., 41, 92–103, https://doi.org/10.1002/joc.6610, 2020. 
Baker, A. H., Pinardy, A., and Hammerlingy, D. M.: DSSIM: a structural similarity index for floating-point data, IEEE Transactions on Visualization and Computer Graphics (Early Access), 1–13, https://doi.org/10.1109/TVCG.2023.3332843, 2022. 
Baur, F.: Einführung in die Grosswetterkunde (En: Introduction into Large Scale Weather), Dieterich Verlag, Wiesbaden, Germany, https://doi.org/10.1002/qj.49707633014, 1948. 
Beck, C., Jacobeit, J., and Jones, P. D.: Frequency and within-type variations of large-scale circulation types and their effects on low-frequency climate variability in central europe since 1780, Int. J. Climatol., 27, 473–491, https://doi.org/10.1002/joc.1410, 2007. 
Cannon, A. J.: Semi-supervised multivariate regression trees: putting the `circulation' back into a `circulation-to-environment' synoptic classifier, Int. J. Climatol., 32, 2251–2254, https://doi.org/10.1002/joc.2417, 2012. 
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Short summary
We develop a new classification method for synoptic circulation patterns. Its unique novelty is the use of the modified structural similarity index metric (SSIM). We demonstrate an exemplary application of the synoptic circulation classes obtained with the new classification method for evaluating historical climate simulations. We introduce a distance metric to measure the match in frequency and duration of synoptic classes between a climate simulation and the reference.
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