Southern Ocean carbon-wind stress feedback
The Southern Ocean is the largest sink of anthropogenic carbon in the present-day climate. Here, Southern Ocean pCO 2 pCO2 and its dependence on wind forcing are investigated using an equilibrium mixed layer carbon budget. This budget is used to derive an expression for Southern Ocean pCO 2 pCO2 sen...
Published in: | Climate Dynamics |
---|---|
Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Springer
2018
|
Subjects: | |
Online Access: | http://nora.nerc.ac.uk/id/eprint/521167/ https://nora.nerc.ac.uk/id/eprint/521167/1/Bronselaer.pdf https://doi.org/10.1007/s00382-017-4041-y |
id |
ftnerc:oai:nora.nerc.ac.uk:521167 |
---|---|
record_format |
openpolar |
spelling |
ftnerc:oai:nora.nerc.ac.uk:521167 2023-05-15T18:23:39+02:00 Southern Ocean carbon-wind stress feedback Bronselaer, Ben Zanna, Laure Munday, David R. Lowe, Jason 2018-10 text http://nora.nerc.ac.uk/id/eprint/521167/ https://nora.nerc.ac.uk/id/eprint/521167/1/Bronselaer.pdf https://doi.org/10.1007/s00382-017-4041-y en eng Springer https://nora.nerc.ac.uk/id/eprint/521167/1/Bronselaer.pdf Bronselaer, Ben; Zanna, Laure; Munday, David R. orcid:0000-0003-1920-708X Lowe, Jason. 2018 Southern Ocean carbon-wind stress feedback. Climate Dynamics, 51 (7-8). 2743-2757. https://doi.org/10.1007/s00382-017-4041-y <https://doi.org/10.1007/s00382-017-4041-y> cc_by_4 CC-BY Publication - Article PeerReviewed 2018 ftnerc https://doi.org/10.1007/s00382-017-4041-y 2023-02-04T19:47:10Z The Southern Ocean is the largest sink of anthropogenic carbon in the present-day climate. Here, Southern Ocean pCO 2 pCO2 and its dependence on wind forcing are investigated using an equilibrium mixed layer carbon budget. This budget is used to derive an expression for Southern Ocean pCO 2 pCO2 sensitivity to wind stress. Southern Ocean pCO 2 pCO2 is found to vary as the square root of area-mean wind stress, arising from the dominance of vertical mixing over other processes such as lateral Ekman transport. The expression for p\hbox {CO}_{2} is validated using idealised coarse-resolution ocean numerical experiments. Additionally, we show that increased (decreased) stratification through surface warming reduces (increases) the sensitivity of the Southern Ocean pCO 2 pCO2 to wind stress. The scaling is then used to estimate the wind-stress induced changes of atmospheric pCO 2 pCO2 in CMIP5 models using only a handful of parameters. The scaling is further used to model the anthropogenic carbon sink, showing a long-term reversal of the Southern Ocean sink for large wind stress strength. Article in Journal/Newspaper Southern Ocean Natural Environment Research Council: NERC Open Research Archive Southern Ocean Climate Dynamics 51 7-8 2743 2757 |
institution |
Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
English |
description |
The Southern Ocean is the largest sink of anthropogenic carbon in the present-day climate. Here, Southern Ocean pCO 2 pCO2 and its dependence on wind forcing are investigated using an equilibrium mixed layer carbon budget. This budget is used to derive an expression for Southern Ocean pCO 2 pCO2 sensitivity to wind stress. Southern Ocean pCO 2 pCO2 is found to vary as the square root of area-mean wind stress, arising from the dominance of vertical mixing over other processes such as lateral Ekman transport. The expression for p\hbox {CO}_{2} is validated using idealised coarse-resolution ocean numerical experiments. Additionally, we show that increased (decreased) stratification through surface warming reduces (increases) the sensitivity of the Southern Ocean pCO 2 pCO2 to wind stress. The scaling is then used to estimate the wind-stress induced changes of atmospheric pCO 2 pCO2 in CMIP5 models using only a handful of parameters. The scaling is further used to model the anthropogenic carbon sink, showing a long-term reversal of the Southern Ocean sink for large wind stress strength. |
format |
Article in Journal/Newspaper |
author |
Bronselaer, Ben Zanna, Laure Munday, David R. Lowe, Jason |
spellingShingle |
Bronselaer, Ben Zanna, Laure Munday, David R. Lowe, Jason Southern Ocean carbon-wind stress feedback |
author_facet |
Bronselaer, Ben Zanna, Laure Munday, David R. Lowe, Jason |
author_sort |
Bronselaer, Ben |
title |
Southern Ocean carbon-wind stress feedback |
title_short |
Southern Ocean carbon-wind stress feedback |
title_full |
Southern Ocean carbon-wind stress feedback |
title_fullStr |
Southern Ocean carbon-wind stress feedback |
title_full_unstemmed |
Southern Ocean carbon-wind stress feedback |
title_sort |
southern ocean carbon-wind stress feedback |
publisher |
Springer |
publishDate |
2018 |
url |
http://nora.nerc.ac.uk/id/eprint/521167/ https://nora.nerc.ac.uk/id/eprint/521167/1/Bronselaer.pdf https://doi.org/10.1007/s00382-017-4041-y |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_relation |
https://nora.nerc.ac.uk/id/eprint/521167/1/Bronselaer.pdf Bronselaer, Ben; Zanna, Laure; Munday, David R. orcid:0000-0003-1920-708X Lowe, Jason. 2018 Southern Ocean carbon-wind stress feedback. Climate Dynamics, 51 (7-8). 2743-2757. https://doi.org/10.1007/s00382-017-4041-y <https://doi.org/10.1007/s00382-017-4041-y> |
op_rights |
cc_by_4 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1007/s00382-017-4041-y |
container_title |
Climate Dynamics |
container_volume |
51 |
container_issue |
7-8 |
container_start_page |
2743 |
op_container_end_page |
2757 |
_version_ |
1766203708923707392 |