The global subduction/obduction rates : their interannual and decadal variability
Author Posting. © American Meteorological Society, 2012. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of Climate 25 (2012): 1096–1115, doi:10.1175/2011JCLI4228.1. Ventilation, in...
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ftwhoas:oai:darchive.mblwhoilibrary.org:1912/5083 2023-05-15T18:24:38+02:00 The global subduction/obduction rates : their interannual and decadal variability Liu, Ling Ling Huang, Rui Xin 2012-02-15 application/pdf https://hdl.handle.net/1912/5083 en_US eng American Meteorological Society https://doi.org/10.1175/2011JCLI4228.1 Journal of Climate 25 (2012): 1096–1115 https://hdl.handle.net/1912/5083 doi:10.1175/2011JCLI4228.1 Journal of Climate 25 (2012): 1096–1115 doi:10.1175/2011JCLI4228.1 Decadal variability Southern Ocean Trends Water masses Convergence Mixing Article 2012 ftwhoas https://doi.org/10.1175/2011JCLI4228.1 2022-05-28T22:58:31Z Author Posting. © American Meteorological Society, 2012. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of Climate 25 (2012): 1096–1115, doi:10.1175/2011JCLI4228.1. Ventilation, including subduction and obduction, for the global oceans was examined using Simple Ocean Data Assimilation (SODA) outputs. The global subduction rate averaged over the period from 1959 to 2006 is estimated at 505.8 Sv (1 Sv ≡ 106 m3 s−1), while the corresponding global obduction rate is estimated at 482.1 Sv. The annual subduction/obduction rates vary greatly on the interannual and decadal time scales. The global subduction rate is estimated to have increased 7.6% over the past 50 years, while the obduction rate is estimated to have increased 9.8%. Such trends may be insignificant because errors associated with the data generated by ocean data assimilation could be as large as 10%. However, a major physical mechanism that induced these trends is primarily linked to changes in the Southern Ocean. While the Southern Ocean plays a key role in global subduction and obduction rates and their variability, both the Southern Ocean and equatorial regions are critically important sites of water mass formation/erosion. This work was supported by the Key State Basic Research Program of China under Grant 2012CB417401, the National Natural Science Foundation of China (Grants 40906007, 40890152), and the Open Foundation of Physical Oceanography Laboratory, OUC, under Grant 200902. 2012-08-15 Article in Journal/Newspaper Southern Ocean Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server) Southern Ocean Journal of Climate 25 4 1096 1115 |
institution |
Open Polar |
collection |
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server) |
op_collection_id |
ftwhoas |
language |
English |
topic |
Decadal variability Southern Ocean Trends Water masses Convergence Mixing |
spellingShingle |
Decadal variability Southern Ocean Trends Water masses Convergence Mixing Liu, Ling Ling Huang, Rui Xin The global subduction/obduction rates : their interannual and decadal variability |
topic_facet |
Decadal variability Southern Ocean Trends Water masses Convergence Mixing |
description |
Author Posting. © American Meteorological Society, 2012. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of Climate 25 (2012): 1096–1115, doi:10.1175/2011JCLI4228.1. Ventilation, including subduction and obduction, for the global oceans was examined using Simple Ocean Data Assimilation (SODA) outputs. The global subduction rate averaged over the period from 1959 to 2006 is estimated at 505.8 Sv (1 Sv ≡ 106 m3 s−1), while the corresponding global obduction rate is estimated at 482.1 Sv. The annual subduction/obduction rates vary greatly on the interannual and decadal time scales. The global subduction rate is estimated to have increased 7.6% over the past 50 years, while the obduction rate is estimated to have increased 9.8%. Such trends may be insignificant because errors associated with the data generated by ocean data assimilation could be as large as 10%. However, a major physical mechanism that induced these trends is primarily linked to changes in the Southern Ocean. While the Southern Ocean plays a key role in global subduction and obduction rates and their variability, both the Southern Ocean and equatorial regions are critically important sites of water mass formation/erosion. This work was supported by the Key State Basic Research Program of China under Grant 2012CB417401, the National Natural Science Foundation of China (Grants 40906007, 40890152), and the Open Foundation of Physical Oceanography Laboratory, OUC, under Grant 200902. 2012-08-15 |
format |
Article in Journal/Newspaper |
author |
Liu, Ling Ling Huang, Rui Xin |
author_facet |
Liu, Ling Ling Huang, Rui Xin |
author_sort |
Liu, Ling Ling |
title |
The global subduction/obduction rates : their interannual and decadal variability |
title_short |
The global subduction/obduction rates : their interannual and decadal variability |
title_full |
The global subduction/obduction rates : their interannual and decadal variability |
title_fullStr |
The global subduction/obduction rates : their interannual and decadal variability |
title_full_unstemmed |
The global subduction/obduction rates : their interannual and decadal variability |
title_sort |
global subduction/obduction rates : their interannual and decadal variability |
publisher |
American Meteorological Society |
publishDate |
2012 |
url |
https://hdl.handle.net/1912/5083 |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_source |
Journal of Climate 25 (2012): 1096–1115 doi:10.1175/2011JCLI4228.1 |
op_relation |
https://doi.org/10.1175/2011JCLI4228.1 Journal of Climate 25 (2012): 1096–1115 https://hdl.handle.net/1912/5083 doi:10.1175/2011JCLI4228.1 |
op_doi |
https://doi.org/10.1175/2011JCLI4228.1 |
container_title |
Journal of Climate |
container_volume |
25 |
container_issue |
4 |
container_start_page |
1096 |
op_container_end_page |
1115 |
_version_ |
1766205393207296000 |