Articles | Volume 13, issue 4
Clim. Past, 13, 411–420, 2017
Clim. Past, 13, 411–420, 2017

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 et al.

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Cited articles

Allan, R., Lindesay, J., and Parker, D.: El Niño southern oscillation & climatic variability, CSIRO publishing, 406 pp., 1996.
Besonen, M., Patridge, W., Bradley, R. S., Francus, P., Stoner, J., and Abbott, M.: A record of climate over the last millennium based on varved lake sediments from the Canadian High Arctic, Holocene, 18, 169,, 2008.
Cavalieri, D., Parkinson, C., Gloersen, P., and Zwally, H.: Sea ice concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS passive microwave data (updated 2008), NASA Distributed Active Archive Center, National Snow and Ice Data Center, Boulder, CO, availabe at:, last access: September 1996.
Chao, Y., Ghil, M., and McWilliams, J. C.: Pacific interdecadal variability in this century's sea surface temperatures, Geophys. Res. Lett., 27, 2261–2264,, 2000.
Cockburn, J. M. H. and Lamoureux, S. F.: Hydroclimate controls over seasonal sediment yield in two adjacent High Arctic watersheds, Hydrol Process., 22, 2013–2027,, 2008.
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.