The Impact of the Processes in the Southern Ocean on ENSO Development

Vladimir Nikolaevich Stepanov

doi:doi:10.11648/j.earth.20190802.15

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The Impact of the Processes in the Southern Ocean on ENSO Development

Vladimir Nikolaevich Stepanov

Published in Earth Sciences (Volume 8, Issue 2)

Received: 1 April 2019 Accepted: 26 April 2019 Published: 15 May 2019

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Abstract

The paper presents the review of the model study of the role of the Southern Ocean in the processes of interaction of the ocean-atmosphere system at short time scales impacting the El Niño–Southern Oscillation (ENSO). It is shown that the variability of wind and atmospheric pressure over the Antarctic Circumpolar Current (ACC), together with the effects of the topography and coastline, significantly impact the development of ENSO events. A new paradigm for ENSO is proposed that allows explaining the current weakening of the interrelation between the variability in wind and water volume in the tropical warm pool in the western equatorial Pacific and the onset of ENSO. The weakness of the interrelationship between ENSO and variability in the equatorial warm water volume of the equatorial Pacific, together with wind variability in the western equatorial Pacific, can be explained by the fact that the process occurred in the Southern Ocean recently became a major contributor amplifying ENSO events. The reproduction in numerical models of ocean dynamics for the mechanism found can improve the accuracy of the forecast of El Niño events.

Published in	Earth Sciences (Volume 8, Issue 2)
DOI	10.11648/j.earth.20190802.15
Page(s)	117-125
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

ENSO, The Southern Ocean, Numerical Modelling

References

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Vladimir Nikolaevich Stepanov. (2019). The Impact of the Processes in the Southern Ocean on ENSO Development. Earth Sciences, 8(2), 117-125. https://doi.org/10.11648/j.earth.20190802.15

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Vladimir Nikolaevich Stepanov. The Impact of the Processes in the Southern Ocean on ENSO Development. Earth Sci. 2019, 8(2), 117-125. doi: 10.11648/j.earth.20190802.15

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AMA Style

Vladimir Nikolaevich Stepanov. The Impact of the Processes in the Southern Ocean on ENSO Development. Earth Sci. 2019;8(2):117-125. doi: 10.11648/j.earth.20190802.15

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@article{10.11648/j.earth.20190802.15,
  author = {Vladimir Nikolaevich Stepanov},
  title = {The Impact of the Processes in the Southern Ocean on ENSO Development},
  journal = {Earth Sciences},
  volume = {8},
  number = {2},
  pages = {117-125},
  doi = {10.11648/j.earth.20190802.15},
  url = {https://doi.org/10.11648/j.earth.20190802.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.earth.20190802.15},
  abstract = {The paper presents the review of the model study of the role of the Southern Ocean in the processes of interaction of the ocean-atmosphere system at short time scales impacting the El Niño–Southern Oscillation (ENSO). It is shown that the variability of wind and atmospheric pressure over the Antarctic Circumpolar Current (ACC), together with the effects of the topography and coastline, significantly impact the development of ENSO events. A new paradigm for ENSO is proposed that allows explaining the current weakening of the interrelation between the variability in wind and water volume in the tropical warm pool in the western equatorial Pacific and the onset of ENSO. The weakness of the interrelationship between ENSO and variability in the equatorial warm water volume of the equatorial Pacific, together with wind variability in the western equatorial Pacific, can be explained by the fact that the process occurred in the Southern Ocean recently became a major contributor amplifying ENSO events. The reproduction in numerical models of ocean dynamics for the mechanism found can improve the accuracy of the forecast of El Niño events.},
 year = {2019}
}

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TY  - JOUR
T1  - The Impact of the Processes in the Southern Ocean on ENSO Development
AU  - Vladimir Nikolaevich Stepanov
Y1  - 2019/05/15
PY  - 2019
N1  - https://doi.org/10.11648/j.earth.20190802.15
DO  - 10.11648/j.earth.20190802.15
T2  - Earth Sciences
JF  - Earth Sciences
JO  - Earth Sciences
SP  - 117
EP  - 125
PB  - Science Publishing Group
SN  - 2328-5982
UR  - https://doi.org/10.11648/j.earth.20190802.15
AB  - The paper presents the review of the model study of the role of the Southern Ocean in the processes of interaction of the ocean-atmosphere system at short time scales impacting the El Niño–Southern Oscillation (ENSO). It is shown that the variability of wind and atmospheric pressure over the Antarctic Circumpolar Current (ACC), together with the effects of the topography and coastline, significantly impact the development of ENSO events. A new paradigm for ENSO is proposed that allows explaining the current weakening of the interrelation between the variability in wind and water volume in the tropical warm pool in the western equatorial Pacific and the onset of ENSO. The weakness of the interrelationship between ENSO and variability in the equatorial warm water volume of the equatorial Pacific, together with wind variability in the western equatorial Pacific, can be explained by the fact that the process occurred in the Southern Ocean recently became a major contributor amplifying ENSO events. The reproduction in numerical models of ocean dynamics for the mechanism found can improve the accuracy of the forecast of El Niño events.
VL  - 8
IS  - 2
ER  -

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Author Information

Vladimir Nikolaevich Stepanov

Department of Meteorology, University of Reading, Reading, UK; Hydrometeorological Center of Russia, Moscow, Russia

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Vladimir Nikolaevich Stepanov. (2019). The Impact of the Processes in the Southern Ocean on ENSO Development. Earth Sciences, 8(2), 117-125. https://doi.org/10.11648/j.earth.20190802.15

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ACS Style

Vladimir Nikolaevich Stepanov. The Impact of the Processes in the Southern Ocean on ENSO Development. Earth Sci. 2019, 8(2), 117-125. doi: 10.11648/j.earth.20190802.15

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AMA Style

Vladimir Nikolaevich Stepanov. The Impact of the Processes in the Southern Ocean on ENSO Development. Earth Sci. 2019;8(2):117-125. doi: 10.11648/j.earth.20190802.15

Copy | Download

@article{10.11648/j.earth.20190802.15,
  author = {Vladimir Nikolaevich Stepanov},
  title = {The Impact of the Processes in the Southern Ocean on ENSO Development},
  journal = {Earth Sciences},
  volume = {8},
  number = {2},
  pages = {117-125},
  doi = {10.11648/j.earth.20190802.15},
  url = {https://doi.org/10.11648/j.earth.20190802.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.earth.20190802.15},
  abstract = {The paper presents the review of the model study of the role of the Southern Ocean in the processes of interaction of the ocean-atmosphere system at short time scales impacting the El Niño–Southern Oscillation (ENSO). It is shown that the variability of wind and atmospheric pressure over the Antarctic Circumpolar Current (ACC), together with the effects of the topography and coastline, significantly impact the development of ENSO events. A new paradigm for ENSO is proposed that allows explaining the current weakening of the interrelation between the variability in wind and water volume in the tropical warm pool in the western equatorial Pacific and the onset of ENSO. The weakness of the interrelationship between ENSO and variability in the equatorial warm water volume of the equatorial Pacific, together with wind variability in the western equatorial Pacific, can be explained by the fact that the process occurred in the Southern Ocean recently became a major contributor amplifying ENSO events. The reproduction in numerical models of ocean dynamics for the mechanism found can improve the accuracy of the forecast of El Niño events.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - The Impact of the Processes in the Southern Ocean on ENSO Development
AU  - Vladimir Nikolaevich Stepanov
Y1  - 2019/05/15
PY  - 2019
N1  - https://doi.org/10.11648/j.earth.20190802.15
DO  - 10.11648/j.earth.20190802.15
T2  - Earth Sciences
JF  - Earth Sciences
JO  - Earth Sciences
SP  - 117
EP  - 125
PB  - Science Publishing Group
SN  - 2328-5982
UR  - https://doi.org/10.11648/j.earth.20190802.15
AB  - The paper presents the review of the model study of the role of the Southern Ocean in the processes of interaction of the ocean-atmosphere system at short time scales impacting the El Niño–Southern Oscillation (ENSO). It is shown that the variability of wind and atmospheric pressure over the Antarctic Circumpolar Current (ACC), together with the effects of the topography and coastline, significantly impact the development of ENSO events. A new paradigm for ENSO is proposed that allows explaining the current weakening of the interrelation between the variability in wind and water volume in the tropical warm pool in the western equatorial Pacific and the onset of ENSO. The weakness of the interrelationship between ENSO and variability in the equatorial warm water volume of the equatorial Pacific, together with wind variability in the western equatorial Pacific, can be explained by the fact that the process occurred in the Southern Ocean recently became a major contributor amplifying ENSO events. The reproduction in numerical models of ocean dynamics for the mechanism found can improve the accuracy of the forecast of El Niño events.
VL  - 8
IS  - 2
ER  -

Copy | Download