Holocene evolution of the Southern Hemisphere westerly winds in transient simulations with global climate models
The Southern Hemisphere Westerly Winds (SWW) have been suggested to exert a critical influence on global climate through wind-driven upwelling of deep water in the Southern Ocean and the potentially resulting atmospheric CO2 variations. The investigation of the temporal and spatial evolution of the...
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Online Access: | https://epic.awi.de/id/eprint/25780/ https://epic.awi.de/id/eprint/25780/1/cp-8-391-2012.pdf http://www.clim-past.net/8/391/2012/cp-8-391-2012.html https://hdl.handle.net/10013/epic.39267 https://hdl.handle.net/10013/epic.39267.d001 |
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ftawi:oai:epic.awi.de:25780 2024-09-15T18:37:14+00:00 Holocene evolution of the Southern Hemisphere westerly winds in transient simulations with global climate models Varma, V. Prange, M. Merkel, U. Kleinen, T. Lohmann, Gerrit Pfeiffer, Madlene Renssen, H. Wagner, Axel Wagner, S. Schulz, M. 2012 application/pdf https://epic.awi.de/id/eprint/25780/ https://epic.awi.de/id/eprint/25780/1/cp-8-391-2012.pdf http://www.clim-past.net/8/391/2012/cp-8-391-2012.html https://hdl.handle.net/10013/epic.39267 https://hdl.handle.net/10013/epic.39267.d001 unknown COPERNICUS GESELLSCHAFT MBH https://epic.awi.de/id/eprint/25780/1/cp-8-391-2012.pdf https://hdl.handle.net/10013/epic.39267.d001 Varma, V. , Prange, M. , Merkel, U. , Kleinen, T. , Lohmann, G. orcid:0000-0003-2089-733X , Pfeiffer, M. , Renssen, H. , Wagner, A. , Wagner, S. and Schulz, M. (2012) Holocene evolution of the Southern Hemisphere westerly winds in transient simulations with global climate models , Climate of the Past, 8 , pp. 391-401 . doi:10.5194/cp-8-391-2012 <https://doi.org/10.5194/cp-8-391-2012> , hdl:10013/epic.39267 EPIC3Climate of the Past, COPERNICUS GESELLSCHAFT MBH, 8, pp. 391-401, ISSN: 1814-9324 Article isiRev 2012 ftawi https://doi.org/10.5194/cp-8-391-2012 2024-06-24T04:03:41Z The Southern Hemisphere Westerly Winds (SWW) have been suggested to exert a critical influence on global climate through wind-driven upwelling of deep water in the Southern Ocean and the potentially resulting atmospheric CO2 variations. The investigation of the temporal and spatial evolution of the SWW along with forcings and feedbacks remains a significant challenge in climate research. In this study, the evolution of the SWW under orbital forcing from the mid-Holocene (7 kyr BP) to pre-industrial modern times (250 yr BP) is examined with transient experiments using the comprehensive coupled global climate model CCSM3. In addition, a model inter-comparison is carried out using orbitally forced Holocene transient simulations from four other coupled global climate models. Analyses and comparison of the model results suggest that the annual and seasonal mean SWW were subject to an overall strengthening and poleward shifting trend during the course of the mid-to-late Holocene under the influence of orbital forcing, except for the austral spring season, where the SWW exhibited an opposite trend of shifting towards the equator. Article in Journal/Newspaper Southern Ocean Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Climate of the Past 8 2 391 402 |
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Open Polar |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
The Southern Hemisphere Westerly Winds (SWW) have been suggested to exert a critical influence on global climate through wind-driven upwelling of deep water in the Southern Ocean and the potentially resulting atmospheric CO2 variations. The investigation of the temporal and spatial evolution of the SWW along with forcings and feedbacks remains a significant challenge in climate research. In this study, the evolution of the SWW under orbital forcing from the mid-Holocene (7 kyr BP) to pre-industrial modern times (250 yr BP) is examined with transient experiments using the comprehensive coupled global climate model CCSM3. In addition, a model inter-comparison is carried out using orbitally forced Holocene transient simulations from four other coupled global climate models. Analyses and comparison of the model results suggest that the annual and seasonal mean SWW were subject to an overall strengthening and poleward shifting trend during the course of the mid-to-late Holocene under the influence of orbital forcing, except for the austral spring season, where the SWW exhibited an opposite trend of shifting towards the equator. |
format |
Article in Journal/Newspaper |
author |
Varma, V. Prange, M. Merkel, U. Kleinen, T. Lohmann, Gerrit Pfeiffer, Madlene Renssen, H. Wagner, Axel Wagner, S. Schulz, M. |
spellingShingle |
Varma, V. Prange, M. Merkel, U. Kleinen, T. Lohmann, Gerrit Pfeiffer, Madlene Renssen, H. Wagner, Axel Wagner, S. Schulz, M. Holocene evolution of the Southern Hemisphere westerly winds in transient simulations with global climate models |
author_facet |
Varma, V. Prange, M. Merkel, U. Kleinen, T. Lohmann, Gerrit Pfeiffer, Madlene Renssen, H. Wagner, Axel Wagner, S. Schulz, M. |
author_sort |
Varma, V. |
title |
Holocene evolution of the Southern Hemisphere westerly winds in transient simulations with global climate models |
title_short |
Holocene evolution of the Southern Hemisphere westerly winds in transient simulations with global climate models |
title_full |
Holocene evolution of the Southern Hemisphere westerly winds in transient simulations with global climate models |
title_fullStr |
Holocene evolution of the Southern Hemisphere westerly winds in transient simulations with global climate models |
title_full_unstemmed |
Holocene evolution of the Southern Hemisphere westerly winds in transient simulations with global climate models |
title_sort |
holocene evolution of the southern hemisphere westerly winds in transient simulations with global climate models |
publisher |
COPERNICUS GESELLSCHAFT MBH |
publishDate |
2012 |
url |
https://epic.awi.de/id/eprint/25780/ https://epic.awi.de/id/eprint/25780/1/cp-8-391-2012.pdf http://www.clim-past.net/8/391/2012/cp-8-391-2012.html https://hdl.handle.net/10013/epic.39267 https://hdl.handle.net/10013/epic.39267.d001 |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_source |
EPIC3Climate of the Past, COPERNICUS GESELLSCHAFT MBH, 8, pp. 391-401, ISSN: 1814-9324 |
op_relation |
https://epic.awi.de/id/eprint/25780/1/cp-8-391-2012.pdf https://hdl.handle.net/10013/epic.39267.d001 Varma, V. , Prange, M. , Merkel, U. , Kleinen, T. , Lohmann, G. orcid:0000-0003-2089-733X , Pfeiffer, M. , Renssen, H. , Wagner, A. , Wagner, S. and Schulz, M. (2012) Holocene evolution of the Southern Hemisphere westerly winds in transient simulations with global climate models , Climate of the Past, 8 , pp. 391-401 . doi:10.5194/cp-8-391-2012 <https://doi.org/10.5194/cp-8-391-2012> , hdl:10013/epic.39267 |
op_doi |
https://doi.org/10.5194/cp-8-391-2012 |
container_title |
Climate of the Past |
container_volume |
8 |
container_issue |
2 |
container_start_page |
391 |
op_container_end_page |
402 |
_version_ |
1810481579913379840 |