Nonlinear Processes in Geophysics
Nonlinear Processes in Geophysics
NPG
Articles | Volume 33, issue 1
Articles | Volume 33, issue 1
https://doi.org/10.5194/npg-33-103-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
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https://doi.org/10.5194/npg-33-103-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 33, issue 1
Research article
 | 
04 Mar 2026
Research article |  | 04 Mar 2026

Inferring the role of Interdecadal Pacific Oscillation phase on tropical-extratropical teleconnection dependencies

Mark A. Collier, Dylan Harries, and Terence J. O'Kane

Data sets

ERA5 hourly data on pressure levels from 1940 to present H. Hersbach et al. https://doi.org/10.24381/cds.bd0915c6

ERA5 hourly data on single levels from 1940 to present H. Hersbach et al. https://doi.org/10.24381/cds.adbb2d47

Summary datasets and plotting scripts for Granger causal inference of regime dependent climate teleconnections study [Collection] M. A. Collier https://doi.org/10.5281/zenodo.1399934

Model code and software

azedarach/reanalysis-dbns: v0.1.0 D. Harries https://doi.org/10.5281/zenodo.4331148

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Short summary
Here we apply Bayesian methods to reconstructed and simulated climate model data over past decades to determine the role of long timescale phase dependencies, and extratropical teleconnections, on the major drivers of tropical climate variability.
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