Wind-driven mixing causes a reduction in the strength of the continental shelf carbon pump in the Chukchi Sea
The Chukchi Sea is thought to be a globally important sink of atmospheric CO2 due to the summertime drawdown of surface pCO2 by phytoplankton and subsequent shelf-to-basin transport of CO2-enriched subsurface waters into the upper halocline of the Arctic Ocean. Here we show that annually occurring s...
Main Authors: | , , , , , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley Online Library
2013
|
Subjects: | |
Online Access: | https://doi.org/10.7916/D8X928B2 |
id |
ftcolumbiauniv:oai:academiccommons.columbia.edu:10.7916/D8X928B2 |
---|---|
record_format |
openpolar |
spelling |
ftcolumbiauniv:oai:academiccommons.columbia.edu:10.7916/D8X928B2 2023-05-15T15:04:21+02:00 Wind-driven mixing causes a reduction in the strength of the continental shelf carbon pump in the Chukchi Sea Hauri, Claudine Winsor, Peter Juranek, Laurie W. McDonnell, Andrew M. P. Takahashi, Taro Mathis, Jeremy T. 2013 https://doi.org/10.7916/D8X928B2 English eng Wiley Online Library https://doi.org/10.7916/D8X928B2 Biogeochemistry Oceanic mixing Carbon cycle (Biogeochemistry) Carbon dioxide sinks Articles 2013 ftcolumbiauniv https://doi.org/10.7916/D8X928B2 2019-04-04T08:10:43Z The Chukchi Sea is thought to be a globally important sink of atmospheric CO2 due to the summertime drawdown of surface pCO2 by phytoplankton and subsequent shelf-to-basin transport of CO2-enriched subsurface waters into the upper halocline of the Arctic Ocean. Here we show that annually occurring storm-induced mixing events during autumn months disrupt water column stratification and stir up remineralized carbon from subsurface waters to the surface, leading to CO2 outgassing to the atmosphere. Our analysis provides a new understanding of the dynamics of carbon cycling in the region and suggests that late season wind events are strong and frequent enough to significantly decrease the carbon sink strength of the Chukchi Sea on a scale of relevance to the global carbon cycle. These results highlight the importance of obtaining data with more complete seasonal and spatial coverage in order to accurately constrain regional to basin-scale carbon flux budgets. Article in Journal/Newspaper Arctic Arctic Ocean Chukchi Chukchi Sea Phytoplankton Columbia University: Academic Commons Arctic Arctic Ocean Chukchi Sea |
institution |
Open Polar |
collection |
Columbia University: Academic Commons |
op_collection_id |
ftcolumbiauniv |
language |
English |
topic |
Biogeochemistry Oceanic mixing Carbon cycle (Biogeochemistry) Carbon dioxide sinks |
spellingShingle |
Biogeochemistry Oceanic mixing Carbon cycle (Biogeochemistry) Carbon dioxide sinks Hauri, Claudine Winsor, Peter Juranek, Laurie W. McDonnell, Andrew M. P. Takahashi, Taro Mathis, Jeremy T. Wind-driven mixing causes a reduction in the strength of the continental shelf carbon pump in the Chukchi Sea |
topic_facet |
Biogeochemistry Oceanic mixing Carbon cycle (Biogeochemistry) Carbon dioxide sinks |
description |
The Chukchi Sea is thought to be a globally important sink of atmospheric CO2 due to the summertime drawdown of surface pCO2 by phytoplankton and subsequent shelf-to-basin transport of CO2-enriched subsurface waters into the upper halocline of the Arctic Ocean. Here we show that annually occurring storm-induced mixing events during autumn months disrupt water column stratification and stir up remineralized carbon from subsurface waters to the surface, leading to CO2 outgassing to the atmosphere. Our analysis provides a new understanding of the dynamics of carbon cycling in the region and suggests that late season wind events are strong and frequent enough to significantly decrease the carbon sink strength of the Chukchi Sea on a scale of relevance to the global carbon cycle. These results highlight the importance of obtaining data with more complete seasonal and spatial coverage in order to accurately constrain regional to basin-scale carbon flux budgets. |
format |
Article in Journal/Newspaper |
author |
Hauri, Claudine Winsor, Peter Juranek, Laurie W. McDonnell, Andrew M. P. Takahashi, Taro Mathis, Jeremy T. |
author_facet |
Hauri, Claudine Winsor, Peter Juranek, Laurie W. McDonnell, Andrew M. P. Takahashi, Taro Mathis, Jeremy T. |
author_sort |
Hauri, Claudine |
title |
Wind-driven mixing causes a reduction in the strength of the continental shelf carbon pump in the Chukchi Sea |
title_short |
Wind-driven mixing causes a reduction in the strength of the continental shelf carbon pump in the Chukchi Sea |
title_full |
Wind-driven mixing causes a reduction in the strength of the continental shelf carbon pump in the Chukchi Sea |
title_fullStr |
Wind-driven mixing causes a reduction in the strength of the continental shelf carbon pump in the Chukchi Sea |
title_full_unstemmed |
Wind-driven mixing causes a reduction in the strength of the continental shelf carbon pump in the Chukchi Sea |
title_sort |
wind-driven mixing causes a reduction in the strength of the continental shelf carbon pump in the chukchi sea |
publisher |
Wiley Online Library |
publishDate |
2013 |
url |
https://doi.org/10.7916/D8X928B2 |
geographic |
Arctic Arctic Ocean Chukchi Sea |
geographic_facet |
Arctic Arctic Ocean Chukchi Sea |
genre |
Arctic Arctic Ocean Chukchi Chukchi Sea Phytoplankton |
genre_facet |
Arctic Arctic Ocean Chukchi Chukchi Sea Phytoplankton |
op_relation |
https://doi.org/10.7916/D8X928B2 |
op_doi |
https://doi.org/10.7916/D8X928B2 |
_version_ |
1766336141793951744 |