Carbon dynamics of the Weddell Gyre, Southern Ocean ...
The accumulation of carbon within the Weddell Gyre and its exchanges across the gyre boundaries are investigated with three recent full-depth oceanographic sections enclosing this climatically important region. The combination of carbon measurements with ocean circulation transport estimates from a...
Main Authors: | , , , , , , , , , , , , , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
ETH Zurich
2015
|
Subjects: | |
Online Access: | https://dx.doi.org/10.3929/ethz-b-000101381 http://hdl.handle.net/20.500.11850/101381 |
id |
ftdatacite:10.3929/ethz-b-000101381 |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.3929/ethz-b-000101381 2024-04-28T08:39:24+00:00 Carbon dynamics of the Weddell Gyre, Southern Ocean ... Brown, Peter J. Jullion, Loïc Landschützer, Peter Bakker, Dorothee C.E. Naveira Garabato, Alberto C. Meredith, Michael P. Torres-Valdés, Sinhue Watson, Andrew J. Hoppema, Mario Loose, Brice Jones, Elizabeth M. Telszewski, Maciej Jones, Steve D. Wanninkhof, Rik 2015 application/pdf https://dx.doi.org/10.3929/ethz-b-000101381 http://hdl.handle.net/20.500.11850/101381 en eng ETH Zurich Southern Ocean Weddell Gyre ocean carbon cycle neural network air-sea exchange of CO2 observations article-journal Text ScholarlyArticle Journal Article 2015 ftdatacite https://doi.org/10.3929/ethz-b-000101381 2024-04-02T12:32:08Z The accumulation of carbon within the Weddell Gyre and its exchanges across the gyre boundaries are investigated with three recent full-depth oceanographic sections enclosing this climatically important region. The combination of carbon measurements with ocean circulation transport estimates from a box inverse analysis reveals that deepwater transports associated with Warm Deep Water (WDW) and Weddell Sea Deep Water dominate the gyre's carbon budget, while a dual-cell vertical overturning circulation leads to both upwelling and the delivery of large quantities of carbon to the deep ocean. Historical sea surface pCO2 observations, interpolated using a neural network technique, confirm the net summertime sink of 0.044 to 0.058 ± 0.010 Pg C yr−1 derived from the inversion. However, a wintertime outgassing signal similar in size results in a statistically insignificant annual air-to-sea CO2 flux of 0.002 ± 0.007 Pg C yr−1 (mean 1998–2011) to 0.012 ± 0.024 Pg C yr−1 (mean 2008–2010) to be diagnosed for the ... : Global Biogeochemical Cycles, 29 (3) ... Article in Journal/Newspaper Southern Ocean Weddell Sea DataCite Metadata Store (German National Library of Science and Technology) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Southern Ocean Weddell Gyre ocean carbon cycle neural network air-sea exchange of CO2 observations |
spellingShingle |
Southern Ocean Weddell Gyre ocean carbon cycle neural network air-sea exchange of CO2 observations Brown, Peter J. Jullion, Loïc Landschützer, Peter Bakker, Dorothee C.E. Naveira Garabato, Alberto C. Meredith, Michael P. Torres-Valdés, Sinhue Watson, Andrew J. Hoppema, Mario Loose, Brice Jones, Elizabeth M. Telszewski, Maciej Jones, Steve D. Wanninkhof, Rik Carbon dynamics of the Weddell Gyre, Southern Ocean ... |
topic_facet |
Southern Ocean Weddell Gyre ocean carbon cycle neural network air-sea exchange of CO2 observations |
description |
The accumulation of carbon within the Weddell Gyre and its exchanges across the gyre boundaries are investigated with three recent full-depth oceanographic sections enclosing this climatically important region. The combination of carbon measurements with ocean circulation transport estimates from a box inverse analysis reveals that deepwater transports associated with Warm Deep Water (WDW) and Weddell Sea Deep Water dominate the gyre's carbon budget, while a dual-cell vertical overturning circulation leads to both upwelling and the delivery of large quantities of carbon to the deep ocean. Historical sea surface pCO2 observations, interpolated using a neural network technique, confirm the net summertime sink of 0.044 to 0.058 ± 0.010 Pg C yr−1 derived from the inversion. However, a wintertime outgassing signal similar in size results in a statistically insignificant annual air-to-sea CO2 flux of 0.002 ± 0.007 Pg C yr−1 (mean 1998–2011) to 0.012 ± 0.024 Pg C yr−1 (mean 2008–2010) to be diagnosed for the ... : Global Biogeochemical Cycles, 29 (3) ... |
format |
Article in Journal/Newspaper |
author |
Brown, Peter J. Jullion, Loïc Landschützer, Peter Bakker, Dorothee C.E. Naveira Garabato, Alberto C. Meredith, Michael P. Torres-Valdés, Sinhue Watson, Andrew J. Hoppema, Mario Loose, Brice Jones, Elizabeth M. Telszewski, Maciej Jones, Steve D. Wanninkhof, Rik |
author_facet |
Brown, Peter J. Jullion, Loïc Landschützer, Peter Bakker, Dorothee C.E. Naveira Garabato, Alberto C. Meredith, Michael P. Torres-Valdés, Sinhue Watson, Andrew J. Hoppema, Mario Loose, Brice Jones, Elizabeth M. Telszewski, Maciej Jones, Steve D. Wanninkhof, Rik |
author_sort |
Brown, Peter J. |
title |
Carbon dynamics of the Weddell Gyre, Southern Ocean ... |
title_short |
Carbon dynamics of the Weddell Gyre, Southern Ocean ... |
title_full |
Carbon dynamics of the Weddell Gyre, Southern Ocean ... |
title_fullStr |
Carbon dynamics of the Weddell Gyre, Southern Ocean ... |
title_full_unstemmed |
Carbon dynamics of the Weddell Gyre, Southern Ocean ... |
title_sort |
carbon dynamics of the weddell gyre, southern ocean ... |
publisher |
ETH Zurich |
publishDate |
2015 |
url |
https://dx.doi.org/10.3929/ethz-b-000101381 http://hdl.handle.net/20.500.11850/101381 |
genre |
Southern Ocean Weddell Sea |
genre_facet |
Southern Ocean Weddell Sea |
op_doi |
https://doi.org/10.3929/ethz-b-000101381 |
_version_ |
1797570447494086656 |