Southern annular mode: tropical-extratropical interactions and impacts
25th Annual Conference of the South African Society for Atmospheric Sciences, Tulbagh, South Africa, 9–10 September 2009 In this study the authors investigate in particular its links with the Madden Julian Oscillation and ENSO, the dominant modes of tropical atmospheric variability at the intraseaso...
Main Authors: | , , , |
---|---|
Format: | Conference Object |
Language: | English |
Published: |
2009
|
Subjects: | |
Online Access: | http://hdl.handle.net/10204/4891 |
id |
ftcsir:oai:researchspace.csir.co.za:10204/4891 |
---|---|
record_format |
openpolar |
spelling |
ftcsir:oai:researchspace.csir.co.za:10204/4891 2023-05-15T13:35:51+02:00 Southern annular mode: tropical-extratropical interactions and impacts Fauchereau, N Pohl, B Monteiro, Pedro MS Reason, C 2009-09 application/pdf http://hdl.handle.net/10204/4891 en eng Workflow request;3161 Fauchereau N, Pohl, B, Monteiro P et al. 2009. Southern annular mode: tropical-extratropical interactions and impacts. 25th Annual Conference of the South African Society for Atmospheric Sciences, Tulbagh, South Africa, 9–10 September 2009, pp 9-13 9780620442183 http://hdl.handle.net/10204/4891 Southern annular mode Antarctic oscillation Atmospheric sciences Southern ocean Tropical extratropical interactions Southern Hemisphere Conference Presentation 2009 ftcsir 2022-05-19T06:13:58Z 25th Annual Conference of the South African Society for Atmospheric Sciences, Tulbagh, South Africa, 9–10 September 2009 In this study the authors investigate in particular its links with the Madden Julian Oscillation and ENSO, the dominant modes of tropical atmospheric variability at the intraseasonal and interannual timescales, respectively. It is showed here that, contrarily to suggestions made in other papers, the SAM is not significantly and unambiguously related to the MJO. On the other hand, we confirm that the SAM shares up to 25% of variance with the ENSO during summer. The independent and combined effects of those modes on Southern African summer rainfall is next investigated and we discuss the importance of a better understanding of tropical – extratropical interactions in the context of the role of the Southern Ocean in modulating fluxes of anthropogenic and natural CO2. Conference Object Antarc* Antarctic Southern Ocean Council for Scientific and Industrial Research (South Africa): CSIR Research Space Antarctic Southern Ocean |
institution |
Open Polar |
collection |
Council for Scientific and Industrial Research (South Africa): CSIR Research Space |
op_collection_id |
ftcsir |
language |
English |
topic |
Southern annular mode Antarctic oscillation Atmospheric sciences Southern ocean Tropical extratropical interactions Southern Hemisphere |
spellingShingle |
Southern annular mode Antarctic oscillation Atmospheric sciences Southern ocean Tropical extratropical interactions Southern Hemisphere Fauchereau, N Pohl, B Monteiro, Pedro MS Reason, C Southern annular mode: tropical-extratropical interactions and impacts |
topic_facet |
Southern annular mode Antarctic oscillation Atmospheric sciences Southern ocean Tropical extratropical interactions Southern Hemisphere |
description |
25th Annual Conference of the South African Society for Atmospheric Sciences, Tulbagh, South Africa, 9–10 September 2009 In this study the authors investigate in particular its links with the Madden Julian Oscillation and ENSO, the dominant modes of tropical atmospheric variability at the intraseasonal and interannual timescales, respectively. It is showed here that, contrarily to suggestions made in other papers, the SAM is not significantly and unambiguously related to the MJO. On the other hand, we confirm that the SAM shares up to 25% of variance with the ENSO during summer. The independent and combined effects of those modes on Southern African summer rainfall is next investigated and we discuss the importance of a better understanding of tropical – extratropical interactions in the context of the role of the Southern Ocean in modulating fluxes of anthropogenic and natural CO2. |
format |
Conference Object |
author |
Fauchereau, N Pohl, B Monteiro, Pedro MS Reason, C |
author_facet |
Fauchereau, N Pohl, B Monteiro, Pedro MS Reason, C |
author_sort |
Fauchereau, N |
title |
Southern annular mode: tropical-extratropical interactions and impacts |
title_short |
Southern annular mode: tropical-extratropical interactions and impacts |
title_full |
Southern annular mode: tropical-extratropical interactions and impacts |
title_fullStr |
Southern annular mode: tropical-extratropical interactions and impacts |
title_full_unstemmed |
Southern annular mode: tropical-extratropical interactions and impacts |
title_sort |
southern annular mode: tropical-extratropical interactions and impacts |
publishDate |
2009 |
url |
http://hdl.handle.net/10204/4891 |
geographic |
Antarctic Southern Ocean |
geographic_facet |
Antarctic Southern Ocean |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_relation |
Workflow request;3161 Fauchereau N, Pohl, B, Monteiro P et al. 2009. Southern annular mode: tropical-extratropical interactions and impacts. 25th Annual Conference of the South African Society for Atmospheric Sciences, Tulbagh, South Africa, 9–10 September 2009, pp 9-13 9780620442183 http://hdl.handle.net/10204/4891 |
_version_ |
1766071253602402304 |