Exploring meteorological droughts' spatial patterns across Europe through complex network theory
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Published:2023-06-15
Issue:2
Volume:30
Page:167-181
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ISSN:1607-7946
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Container-title:Nonlinear Processes in Geophysics
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language:en
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Short-container-title:Nonlin. Processes Geophys.
Author:
Giaquinto Domenico, Marzocchi WarnerORCID, Kurths Jürgen
Abstract
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.
Publisher
Copernicus GmbH
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