Articles | Volume 16, issue 1
Clim. Past, 16, 199–209, 2020
Clim. Past, 16, 199–209, 2020

Research article 23 Jan 2020

Research article | 23 Jan 2020

Distorted Pacific–North American teleconnection at the Last Glacial Maximum

Yongyun Hu et al.

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Cited articles

Abe-Ouchi, A., Saito, F., Kageyama, M., Braconnot, P., Harrison, S. P., Lambeck, K., Otto-Bliesner, B. L., Peltier, W. R., Tarasov, L., Peterschmitt, J.-Y., and Takahashi, K.: Ice-sheet configuration in the CMIP5/PMIP3 Last Glacial Maximum experiments, Geosci. Model Dev., 8, 3621–3637,, 2015. 
Allan, A. M., Hostetler, S. W., and Alder, J. R.: Analysis of the present and future winter Pacific-North American teleconnection in the ECHAM5 global and RegCM3 regional climate models, Clim. Dynam., 42, 1671–1682, 2014. 
Braconnot, P., Otto-Bliesner, B., Harrison, S., Joussaume, S., Peterchmitt, J.-Y., Abe-Ouchi, A., Crucifix, M., Driesschaert, E., Fichefet, Th., Hewitt, C. D., Kageyama, M., Kitoh, A., Laîné, A., Loutre, M.-F., Marti, O., Merkel, U., Ramstein, G., Valdes, P., Weber, S. L., Yu, Y., and Zhao, Y.: Results of PMIP2 coupled simulations of the Mid-Holocene and Last Glacial Maximum – Part 1: experiments and large-scale features, Clim. Past, 3, 261–277,, 2007 (data available at:, last access: 21 January 2020). 
Chen, Z., Gan, B., Wu, L., and Jia, F.: Pacific-North American teleconnection and North Pacific Oscillation: historical simulation and future projection in CMIP5 models, Clim. Dynam., 50, 4379–4403,, 2017. 2017. 
Short summary
The paper shows, using climate simulations, that the Pacific–North American (PNA) teleconnection was distorted or completely broken at the Last Glacial Maximum (LGM). The results suggest that ENSO would have little direct impact on North American climates at the LGM.