A Secular Shift of the Madden‐Julian Oscillation and Its Relation to Western Pacific Ocean Warming
Abstract In the context of global warming, understanding changes in the Madden‐Julian Oscillation (MJO) is of great importance, because of its worldwide impact on surface weather and climate. By analyzing the temporal evolution of the phase relationship between Kelvin waves and the MJO, we find a se...
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| Format: | Article |
| Language: | English |
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Wiley
2021-10-01
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| Series: | Geophysical Research Letters |
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| Online Access: | https://doi.org/10.1029/2021GL095400 |
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| author | Yu Huang Zuntao Fu Christian L. E. Franzke |
| author_facet | Yu Huang Zuntao Fu Christian L. E. Franzke |
| author_sort | Yu Huang |
| collection | DOAJ |
| description | Abstract In the context of global warming, understanding changes in the Madden‐Julian Oscillation (MJO) is of great importance, because of its worldwide impact on surface weather and climate. By analyzing the temporal evolution of the phase relationship between Kelvin waves and the MJO, we find a secular phase shift of the MJO after year 2000, at which the MJO exhibits an eastward extension over the Maritime Continent and the Western Pacific Ocean. Further, we examine the influence of sea surface temperature (SST) variations on the anomalous convection and Kelvin waves, and demonstrate that the recent warming trend of the Western Pacific SST is a factor causing the changes of the MJO over this region. The results deepen our understanding of recent modeling and observational studies about the changes of the MJO and confirm the enhanced activity of the MJO over the past few decades. |
| format | Article |
| id | doaj-art-280a0d48a24547e3bf0c4ba8d5d835ac |
| institution | DOAJ |
| issn | 0094-8276 1944-8007 |
| language | English |
| publishDate | 2021-10-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geophysical Research Letters |
| spelling | doaj-art-280a0d48a24547e3bf0c4ba8d5d835ac2025-08-20T03:22:14ZengWileyGeophysical Research Letters0094-82761944-80072021-10-014820n/an/a10.1029/2021GL095400A Secular Shift of the Madden‐Julian Oscillation and Its Relation to Western Pacific Ocean WarmingYu Huang0Zuntao Fu1Christian L. E. Franzke2Laboratory for Climate and Ocean‐Atmosphere Studies Department of Atmospheric and Oceanic Sciences School of Physics Peking University Beijing ChinaLaboratory for Climate and Ocean‐Atmosphere Studies Department of Atmospheric and Oceanic Sciences School of Physics Peking University Beijing ChinaCenter for Climate Physics Institute for Basic Science Busan Republic of KoreaAbstract In the context of global warming, understanding changes in the Madden‐Julian Oscillation (MJO) is of great importance, because of its worldwide impact on surface weather and climate. By analyzing the temporal evolution of the phase relationship between Kelvin waves and the MJO, we find a secular phase shift of the MJO after year 2000, at which the MJO exhibits an eastward extension over the Maritime Continent and the Western Pacific Ocean. Further, we examine the influence of sea surface temperature (SST) variations on the anomalous convection and Kelvin waves, and demonstrate that the recent warming trend of the Western Pacific SST is a factor causing the changes of the MJO over this region. The results deepen our understanding of recent modeling and observational studies about the changes of the MJO and confirm the enhanced activity of the MJO over the past few decades.https://doi.org/10.1029/2021GL095400Madden‐Julian Oscillationsecular trendglobal warmingatmosphere‐ocean interactionphase difference |
| spellingShingle | Yu Huang Zuntao Fu Christian L. E. Franzke A Secular Shift of the Madden‐Julian Oscillation and Its Relation to Western Pacific Ocean Warming Geophysical Research Letters Madden‐Julian Oscillation secular trend global warming atmosphere‐ocean interaction phase difference |
| title | A Secular Shift of the Madden‐Julian Oscillation and Its Relation to Western Pacific Ocean Warming |
| title_full | A Secular Shift of the Madden‐Julian Oscillation and Its Relation to Western Pacific Ocean Warming |
| title_fullStr | A Secular Shift of the Madden‐Julian Oscillation and Its Relation to Western Pacific Ocean Warming |
| title_full_unstemmed | A Secular Shift of the Madden‐Julian Oscillation and Its Relation to Western Pacific Ocean Warming |
| title_short | A Secular Shift of the Madden‐Julian Oscillation and Its Relation to Western Pacific Ocean Warming |
| title_sort | secular shift of the madden julian oscillation and its relation to western pacific ocean warming |
| topic | Madden‐Julian Oscillation secular trend global warming atmosphere‐ocean interaction phase difference |
| url | https://doi.org/10.1029/2021GL095400 |
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