Climate of the Past
Climate of the Past
CP
Articles | Volume 21, issue 2
Articles | Volume 21, issue 2
https://doi.org/10.5194/cp-21-593-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-21-593-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 2
Research article
 | 
28 Feb 2025
Research article |  | 28 Feb 2025

Assessing the most severe subsistence crisis of the 18th century in the northwest of the Iberian Peninsula: a climatological perspective

Maite deCastro, José González-Cao, Nicolás G. deCastro, Juan J. Taboada, José M. Vaquero, and Moncho Gómez-Gesteira

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Latest update: 06 Nov 2026
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Short summary
Persistent rains in the eastern Atlantic during 1768–1769 caused the worst agricultural crisis in Galicia and northern Portugal. Using the EKF400v2 paleo-reanalysis dataset, it was found that the rainfall anomaly was positive in 11 out of 12 months. June 1768 saw the highest positive rain anomaly of the century; September 1768 saw the second-highest. The atmospheric synoptic patterns show negative anomalies in sea level pressure and 500 hPa. These patterns induce surface low-pressure systems.

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