Articles | Volume 22, issue 5
https://doi.org/10.5194/hess-22-2921-2018
https://doi.org/10.5194/hess-22-2921-2018
Research article
 | 
17 May 2018
Research article |  | 17 May 2018

Dendrohydrology and water resources management in south-central Chile: lessons from the Río Imperial streamflow reconstruction

Alfonso Fernández, Ariel Muñoz, Álvaro González-Reyes, Isabella Aguilera-Betti, Isadora Toledo, Paulina Puchi, David Sauchyn, Sebastián Crespo, Cristian Frene, Ignacio Mundo, Mauro González, and Raffaele Vignola

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Latest update: 01 Jul 2025
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Short summary
Short-term river discharge records hamper assessment of the severity of modern droughts in south-central Chile, making effective water management difficult. To support decision-making, we present a ~300-year tree-ring reconstruction of summer discharge for this region. Results show that since 1980, droughts have become more frequent and are related to a shift in large-scale climate. We argue that water managers should use this long-term view to better allocate water rights.
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