Climate of the Past
Climate of the Past
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Articles | Volume 13, issue 4
Articles | Volume 13, issue 4
https://doi.org/10.5194/cp-13-411-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cp-13-411-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 13, issue 4
Research article
 | 
21 Apr 2017
Research article |  | 21 Apr 2017

Influence of North Pacific decadal variability on the western Canadian Arctic over the past 700 years

François Lapointe, Pierre Francus, Scott F. Lamoureux, Mathias Vuille, Jean-Philippe Jenny, Raymond S. Bradley, and Charly Massa

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Short summary
Using a unique annually-laminated record (varve) from the western Canadian High Arctic, we found a significant relationship between our varve record and instrumental and reconstructed Pacific Decadal Oscillations (PDOs). The negative (positive) PDO (North Pacific Index) phases increase precipitation as low sea-ice extent, warmer temperature and winds reach our region more efficiently. Our results imply that future negative PDO phases will likely impact the already rapidly warming Arctic.
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