Journal article

The first 300-year streamflow reconstruction of a high-elevation river in Chile using tree rings

Pilar Barria, Murray C Peel, Kevin JE Walsh, Ariel Munoz

INTERNATIONAL JOURNAL OF CLIMATOLOGY | WILEY | Published : 2018

Abstract

In central Chile, increasing demand for water and decreasing runoff volumes due to drier conditions have placed catchments in this zone under water stress. However, scarcity of observed data records increases the difficulty of planning future water supply. Instrumental records suggest a reduction in streamflow over the last 56 years. However, this change is not statistically significant and the lack of meteorological stations with long records in this mountainous region hampers a deeper analysis, motivating the use of tree rings to analyse whether these changes are part of a long-term trend. This work represents the first high-elevation runoff reconstruction in Chile using 300 years of tree ..

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Grants

Awarded by Australian Research Council (ARC) Centre of Excellence for Climate System Science


Awarded by scholarship CONICYT PAI/INDUSTRIA


Awarded by Australian Research Council


Awarded by Centre for Climate and Resilience Research (CR)2


Awarded by FONDECYT


Funding Acknowledgements

The research was funded, in part, by the Australian Research Council (ARC) Centre of Excellence for Climate System Science (grant CE110001028). Additional funds were provided by the scholarship CONICYT PAI/INDUSTRIA 79090016. Murray Peel is the recipient of an Australian Research Council Future Fellowship (FT120100130). Ariel Munoz thanks to Centre for Climate and Resilience Research (CR)2 (FONDAP 15110009) and FONDECYT (11161061). Furthermore, the authors express their gratitude to Dr Ignacio Mundo (IANIGLA) and Dr Duncan Christie for providing the tree ring chronologies that were used in the reconstructions analysed in this paper.