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Journal Article

Exploring meteorological droughts' spatial patterns across Europe through complex network theory

Authors

Giaquinto,  Domenico
External Organizations;

Marzocchi,  Warner
External Organizations;

/persons/resource/Juergen.Kurths

Kurths,  Jürgen
Potsdam Institute for Climate Impact Research;

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Fulltext (public)

giaquinto_npg-30-167-2023.pdf
(Publisher version), 7MB

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Citation

Giaquinto, D., Marzocchi, W., Kurths, J. (2023): Exploring meteorological droughts' spatial patterns across Europe through complex network theory. - Nonlinear Processes in Geophysics, 30, 2, 167-181.
https://doi.org/10.5194/npg-30-167-2023


Cite as: https://publications.pik-potsdam.de/pubman/item/item_28601
Abstract
In this paper we investigate the spatial patterns and features of meteorological droughts in Europe using concepts and methods derived from complex network theory. Using event synchronization analysis, we uncover robust meteorological drought continental networks based on the co-occurrence of these events at different locations within a season from 1981 to 2020 and compare the results for four accumulation periods of rainfall. Each continental network is then further examined to unveil regional clusters which are characterized in terms of droughts' geographical propagation and source–sink systems. While introducing new methodologies in general climate network reconstruction from raw data, our approach brings out key aspects concerning drought spatial dynamics, which could potentially support droughts' forecast.