Dynamical Dependencies at Monthly and Interannual Time Scales in the Climate System: Study of the North Pacific and Atlantic Regions
The directional dependencies of different climate indices are explored using the Liang-Kleeman information flow in order to disentangle the influence of certain regions over the globe on the development of low-frequency variability of others. Seven key indices (the sea-surface temperature in El-Niño...
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Stockholm University Press
2022
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ftdoajarticles:oai:doaj.org/article:4876cead268249f6939be82649b73e23 2023-05-15T14:58:45+02:00 Dynamical Dependencies at Monthly and Interannual Time Scales in the Climate System: Study of the North Pacific and Atlantic Regions Stéphane Vannitsem X. San Liang 2022-03-01T00:00:00Z https://doi.org/10.16993/tellusa.44 https://doaj.org/article/4876cead268249f6939be82649b73e23 EN eng Stockholm University Press https://a.tellusjournals.se/articles/44 https://doaj.org/toc/1600-0870 1600-0870 doi:10.16993/tellusa.44 https://doaj.org/article/4876cead268249f6939be82649b73e23 Tellus: Series A, Dynamic Meteorology and Oceanography, Vol 74, Iss 1 (2022) dynamical dependencies information flow climate indices Oceanography GC1-1581 Meteorology. Climatology QC851-999 article 2022 ftdoajarticles https://doi.org/10.16993/tellusa.44 2022-12-30T19:52:09Z The directional dependencies of different climate indices are explored using the Liang-Kleeman information flow in order to disentangle the influence of certain regions over the globe on the development of low-frequency variability of others. Seven key indices (the sea-surface temperature in El-Niño 3.4 region, the Atlantic Multidecadal Oscillation, the North Atlantic Oscillation, the North Pacific America pattern, the Arctic Oscillation, the Pacifid Decadal Oscillation, the Tropical North Atlantic index), together with three local time series located in Western Europe (Belgium), are selected. The analysis is performed on time scales from a month to 5 years by using a sliding window as filtering procedure. A few key new results on the remote influence emerge: (i) The Arctic Oscillation plays a key role at short time (monthly) scales on the dynamics of the North Pacific and North Atlantic; (ii) the North Atlantic Oscillation is playing a global role at long time scales (several years); (iii) the Pacific Decadal Oscillation is indeed slaved to other influences; (iv) the local observables over Western Europe influence the variability on the ocean basins on long time scales. These results further illustrate the power of the Liang-Kleeman information flow in disentangling the dynamical dependencies. Article in Journal/Newspaper Arctic North Atlantic North Atlantic oscillation Directory of Open Access Journals: DOAJ Articles Arctic Pacific Tellus A: Dynamic Meteorology and Oceanography 74 2022 141 158 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
dynamical dependencies information flow climate indices Oceanography GC1-1581 Meteorology. Climatology QC851-999 |
spellingShingle |
dynamical dependencies information flow climate indices Oceanography GC1-1581 Meteorology. Climatology QC851-999 Stéphane Vannitsem X. San Liang Dynamical Dependencies at Monthly and Interannual Time Scales in the Climate System: Study of the North Pacific and Atlantic Regions |
topic_facet |
dynamical dependencies information flow climate indices Oceanography GC1-1581 Meteorology. Climatology QC851-999 |
description |
The directional dependencies of different climate indices are explored using the Liang-Kleeman information flow in order to disentangle the influence of certain regions over the globe on the development of low-frequency variability of others. Seven key indices (the sea-surface temperature in El-Niño 3.4 region, the Atlantic Multidecadal Oscillation, the North Atlantic Oscillation, the North Pacific America pattern, the Arctic Oscillation, the Pacifid Decadal Oscillation, the Tropical North Atlantic index), together with three local time series located in Western Europe (Belgium), are selected. The analysis is performed on time scales from a month to 5 years by using a sliding window as filtering procedure. A few key new results on the remote influence emerge: (i) The Arctic Oscillation plays a key role at short time (monthly) scales on the dynamics of the North Pacific and North Atlantic; (ii) the North Atlantic Oscillation is playing a global role at long time scales (several years); (iii) the Pacific Decadal Oscillation is indeed slaved to other influences; (iv) the local observables over Western Europe influence the variability on the ocean basins on long time scales. These results further illustrate the power of the Liang-Kleeman information flow in disentangling the dynamical dependencies. |
format |
Article in Journal/Newspaper |
author |
Stéphane Vannitsem X. San Liang |
author_facet |
Stéphane Vannitsem X. San Liang |
author_sort |
Stéphane Vannitsem |
title |
Dynamical Dependencies at Monthly and Interannual Time Scales in the Climate System: Study of the North Pacific and Atlantic Regions |
title_short |
Dynamical Dependencies at Monthly and Interannual Time Scales in the Climate System: Study of the North Pacific and Atlantic Regions |
title_full |
Dynamical Dependencies at Monthly and Interannual Time Scales in the Climate System: Study of the North Pacific and Atlantic Regions |
title_fullStr |
Dynamical Dependencies at Monthly and Interannual Time Scales in the Climate System: Study of the North Pacific and Atlantic Regions |
title_full_unstemmed |
Dynamical Dependencies at Monthly and Interannual Time Scales in the Climate System: Study of the North Pacific and Atlantic Regions |
title_sort |
dynamical dependencies at monthly and interannual time scales in the climate system: study of the north pacific and atlantic regions |
publisher |
Stockholm University Press |
publishDate |
2022 |
url |
https://doi.org/10.16993/tellusa.44 https://doaj.org/article/4876cead268249f6939be82649b73e23 |
geographic |
Arctic Pacific |
geographic_facet |
Arctic Pacific |
genre |
Arctic North Atlantic North Atlantic oscillation |
genre_facet |
Arctic North Atlantic North Atlantic oscillation |
op_source |
Tellus: Series A, Dynamic Meteorology and Oceanography, Vol 74, Iss 1 (2022) |
op_relation |
https://a.tellusjournals.se/articles/44 https://doaj.org/toc/1600-0870 1600-0870 doi:10.16993/tellusa.44 https://doaj.org/article/4876cead268249f6939be82649b73e23 |
op_doi |
https://doi.org/10.16993/tellusa.44 |
container_title |
Tellus A: Dynamic Meteorology and Oceanography |
container_volume |
74 |
container_issue |
2022 |
container_start_page |
141 |
op_container_end_page |
158 |
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1766330871493689344 |