Articles | Volume 22, issue 5
Hydrol. Earth Syst. Sci., 22, 2921–2935, 2018
https://doi.org/10.5194/hess-22-2921-2018
Hydrol. Earth Syst. Sci., 22, 2921–2935, 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 et al.

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Cited articles

Abram, N. J., Mulvaney, R., Vimeux, F., Phipps, S. J., Turner, J., and England, M. H.: Evolution of the Southern Annular Mode during the past millennium, Nat. Clim. Change, 4, 564–569, 2014. a, b
Aravena, J.-C. and Luckman, B. H.: Spatio-temporal rainfall patterns in Southern South America, Int. J. Climatol., 21, 2106–2120, https://doi.org/10.1002/joc, 2009. a, b
Ayala-Cabrera y Asociados: Plan Director para la Gestión de los Recursos Hídricos en la Cuenca del Río Imperial, Dirección General de Aguas, Ministerio de Obras Públicas, Chile, 2001. a, b
Barria, P., Peel, M. C., Walsh, K. J. E., and Muñoz, A.: The first 300-year streamflow reconstruction of a high-elevation river in Chile using tree rings, Int. J. Climatol., https://doi.org/10.1002/joc.5186, 2017. a
Bauer, C. J.: Results of Chilean water markets: Empirical research since 1990, Water Resour. Res., 40, 1–11, https://doi.org/10.1029/2003WR002838, 2004. a
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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.