Time series analysis of the Antarctic Circumpolar Wave via symbolic transfer entropy
An attempt to interpret a large-scale climate phenomenon in the Southern Ocean (SO), the Antarctic Circumpolar Wave (ACW), has been made using an information entropy method, symbolic transfer entropy (STE). Over the areas of 50–60∘S latitude belt, information flow for four climate variables, sea sur...
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ftrepec:oai:RePEc:eee:phsmap:v:499:y:2018:i:c:p:233-240 2024-04-14T08:01:34+00:00 Time series analysis of the Antarctic Circumpolar Wave via symbolic transfer entropy Oh, Mingi Kim, Sehyun Lim, Kyuseong Kim, Soo Yong http://www.sciencedirect.com/science/article/pii/S0378437117312657 unknown http://www.sciencedirect.com/science/article/pii/S0378437117312657 article ftrepec 2024-03-19T10:30:29Z An attempt to interpret a large-scale climate phenomenon in the Southern Ocean (SO), the Antarctic Circumpolar Wave (ACW), has been made using an information entropy method, symbolic transfer entropy (STE). Over the areas of 50–60∘S latitude belt, information flow for four climate variables, sea surface temperature (SST), sea–ice edge (SIE), sea level pressure (SLP) and meridional wind speed (MWS) is examined. We found a tendency that eastward flow of information is preferred only for oceanic variables, which is a main characteristic of the ACW, an eastward wave making a circuit around the Antarctica. Since the ACW is the coherent pattern in both ocean and atmosphere it is reasonable to infer that the tendency reflects the Antarctic Circumpolar Current (ACC) encircling the Antarctica, rather than an evidence of the ACW. We observed one common feature for all four variables, a strong information flow over the area of the eastern Pacific Ocean, which suggest a signature of El Nino Southern Oscillation (ENSO). Antarctic Circumpolar Wave; Symbolic transfer entropy; Climate; ENSO; Information flow; Article in Journal/Newspaper Antarc* Antarctic Antarctica Sea ice Southern Ocean RePEc (Research Papers in Economics) Antarctic Southern Ocean The Antarctic Pacific |
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Open Polar |
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RePEc (Research Papers in Economics) |
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ftrepec |
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unknown |
description |
An attempt to interpret a large-scale climate phenomenon in the Southern Ocean (SO), the Antarctic Circumpolar Wave (ACW), has been made using an information entropy method, symbolic transfer entropy (STE). Over the areas of 50–60∘S latitude belt, information flow for four climate variables, sea surface temperature (SST), sea–ice edge (SIE), sea level pressure (SLP) and meridional wind speed (MWS) is examined. We found a tendency that eastward flow of information is preferred only for oceanic variables, which is a main characteristic of the ACW, an eastward wave making a circuit around the Antarctica. Since the ACW is the coherent pattern in both ocean and atmosphere it is reasonable to infer that the tendency reflects the Antarctic Circumpolar Current (ACC) encircling the Antarctica, rather than an evidence of the ACW. We observed one common feature for all four variables, a strong information flow over the area of the eastern Pacific Ocean, which suggest a signature of El Nino Southern Oscillation (ENSO). Antarctic Circumpolar Wave; Symbolic transfer entropy; Climate; ENSO; Information flow; |
format |
Article in Journal/Newspaper |
author |
Oh, Mingi Kim, Sehyun Lim, Kyuseong Kim, Soo Yong |
spellingShingle |
Oh, Mingi Kim, Sehyun Lim, Kyuseong Kim, Soo Yong Time series analysis of the Antarctic Circumpolar Wave via symbolic transfer entropy |
author_facet |
Oh, Mingi Kim, Sehyun Lim, Kyuseong Kim, Soo Yong |
author_sort |
Oh, Mingi |
title |
Time series analysis of the Antarctic Circumpolar Wave via symbolic transfer entropy |
title_short |
Time series analysis of the Antarctic Circumpolar Wave via symbolic transfer entropy |
title_full |
Time series analysis of the Antarctic Circumpolar Wave via symbolic transfer entropy |
title_fullStr |
Time series analysis of the Antarctic Circumpolar Wave via symbolic transfer entropy |
title_full_unstemmed |
Time series analysis of the Antarctic Circumpolar Wave via symbolic transfer entropy |
title_sort |
time series analysis of the antarctic circumpolar wave via symbolic transfer entropy |
url |
http://www.sciencedirect.com/science/article/pii/S0378437117312657 |
geographic |
Antarctic Southern Ocean The Antarctic Pacific |
geographic_facet |
Antarctic Southern Ocean The Antarctic Pacific |
genre |
Antarc* Antarctic Antarctica Sea ice Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctica Sea ice Southern Ocean |
op_relation |
http://www.sciencedirect.com/science/article/pii/S0378437117312657 |
_version_ |
1796309666273165312 |