Teleconnection Paths via Climate Network Direct Link Detection

Dong Zhou, Avi Gozolchiani, Yosef Ashkenazy, Shlomo Havlin

Research output: Contribution to journalArticlepeer-review

67 Scopus citations

Abstract

Teleconnections describe remote connections (typically thousands of kilometers) of the climate system. These are of great importance in climate dynamics as they reflect the transportation of energy and climate change on global scales (like the El Niño phenomenon). Yet, the path of influence propagation between such remote regions, and weighting associated with different paths, are only partially known. Here we propose a systematic climate network approach to find and quantify the optimal paths between remotely distant interacting locations. Specifically, we separate the correlations between two grid points into direct and indirect components, where the optimal path is found based on a minimal total cost function of the direct links. We demonstrate our method using near surface air temperature reanalysis data, on identifying cross-latitude teleconnections and their corresponding optimal paths. The proposed method may be used to quantify and improve our understanding regarding the emergence of climate patterns on global scales.

Original languageEnglish
Article number268501
JournalPhysical Review Letters
Volume115
Issue number26
DOIs
StatePublished - 30 Dec 2015

Bibliographical note

Publisher Copyright:
© 2015 American Physical Society.

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