Teleconnections refer to long-range climate system linkages occurring over typically thousands of kilometers. Generally speaking, most teleconnections are attributed to the transmission of energy and propagation of waves although the physical complexity and characteristics behind these waves are not fully understood. To address this knowledge gap, we develop a climate network-based approach to reveal their directions and distribution patterns, evaluate the intensity of teleconnections, and identify sensitive regions using global daily surface air temperature data. Our results reveal a stable average intensity distribution pattern for teleconnections across a substantial spatiotemporal scale from 1948 to 2021, with the extent and intensity of teleconnection impacts increasing more prominently in the Southern Hemisphere over the past 37 years. Furthermore, we pinpoint climate-sensitive regions, such as southeastern Australia, which are likely to face increasing impacts due to global warming. Our proposed method offers new insights into the dynamics of global climate patterns and can inform strategies to address climate change and extreme events.
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Exploring the intensity, distribution and evolution of teleconnections using climate network analysis
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October 2023
Research Article|
October 17 2023
Exploring the intensity, distribution and evolution of teleconnections using climate network analysis
Shang Wang
;
Shang Wang
(Data curation, Software, Validation, Visualization, Writing – original draft, Writing – review & editing)
1
School of Systems Science/Institute of Nonequilibrium Systems, Beijing Normal University
, Beijing 100875, China
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Jun Meng
;
Jun Meng
(Conceptualization, Methodology, Supervision, Writing – review & editing)
2
School of Science, Beijing University of Posts and Telecommunications
, Beijing 100876, China
3
Potsdam Institute for Climate Impact Research
, Potsdam 14412, Germany
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Jingfang Fan
Jingfang Fan
a)
(Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing)
1
School of Systems Science/Institute of Nonequilibrium Systems, Beijing Normal University
, Beijing 100875, China
3
Potsdam Institute for Climate Impact Research
, Potsdam 14412, Germany
a)Author to whom correspondence should be addressed: jingfang@bnu.edu.cn
Search for other works by this author on:
a)Author to whom correspondence should be addressed: jingfang@bnu.edu.cn
Chaos 33, 103127 (2023)
Article history
Received:
April 11 2023
Accepted:
September 01 2023
Citation
Shang Wang, Jun Meng, Jingfang Fan; Exploring the intensity, distribution and evolution of teleconnections using climate network analysis. Chaos 1 October 2023; 33 (10): 103127. https://doi.org/10.1063/5.0153677
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