Articles | Volume 19, issue 1
https://doi.org/10.5194/hess-19-465-2015
https://doi.org/10.5194/hess-19-465-2015
Research article
 | 
26 Jan 2015
Research article |  | 26 Jan 2015

Evolving flood patterns in a Mediterranean region (1301–2012) and climatic factors – the case of Catalonia

A. Barrera-Escoda and M. C. Llasat

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Short summary
Catastrophic floods (the most severe ones) in Catalonia from 1301 do not show any statistical trend, while extraordinary floods (moderate ones) have increased since 1850 due to a marked increase in developed land and population in small coastal basins. The most significant flood-rich periods occurred with a strong negative NAO phase. Solar activity has some impact on changes in catastrophic floods: flood-rich periods in autumn generally occurred during periods of increased solar activity.