On the proportion of ballast versus non-ballast associated carbon export in the surface ocean
The role of biominerals in driving carbon export from the surface ocean is unclear. We compiled surface particulate organic carbon (POC), and mineral ballast export fluxes from 55 different locations in the Atlantic and Southern Oceans. Substantial surface POC export accompanied by negligible minera...
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| Veröffentlicht in: | Geophysical research letters 2012-08, Vol.39 (15), p.n/a |
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| container_title | Geophysical research letters |
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| creator | Le Moigne, Frédéric A. C. Sanders, Richard J. Villa-Alfageme, María Martin, Adrian P. Pabortsava, Katsiaryna Planquette, Hélène Morris, Paul J. Thomalla, Sandy J. |
| description | The role of biominerals in driving carbon export from the surface ocean is unclear. We compiled surface particulate organic carbon (POC), and mineral ballast export fluxes from 55 different locations in the Atlantic and Southern Oceans. Substantial surface POC export accompanied by negligible mineral export was recorded implying that association with mineral phases is not a precondition for organic export to occur. The proportion of non‐mineral associated sinking POC ranged from 0 to 80% and was highest in areas previously shown to be dominated by diatoms. This is consistent with previous estimates showing that transfer efficiency in such regions is low. However we propose that, rather than the low transfer efficiency arising from diatom blooms being inherently characterized by poorly packaged aggregates which are efficiently exported but which disintegrate readily in mid water, it is due to such environments having very high levels of unballasted organic C export.
Key Points
Variability of CCs is linked to the PCS at sampling time
Proportion of non‐ballast associated sinking POC is 73% in the Southern Ocean
Large non‐ballast associated pool may explained low transfer efficiency |
| doi_str_mv | 10.1029/2012GL052980 |
| format | Article |
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Key Points
Variability of CCs is linked to the PCS at sampling time
Proportion of non‐ballast associated sinking POC is 73% in the Southern Ocean
Large non‐ballast associated pool may explained low transfer efficiency</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1029/2012GL052980</identifier><identifier>CODEN: GPRLAJ</identifier><language>eng</language><publisher>Washington, DC: Blackwell Publishing Ltd</publisher><subject>234Th ; ballast ; Biological oceanography ; Carbon ; Chemical oceanography ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Ocean, Atmosphere ; Oceans ; particles export ; Particulate organic carbon ; POC ; Sciences of the Universe</subject><ispartof>Geophysical research letters, 2012-08, Vol.39 (15), p.n/a</ispartof><rights>2012. American Geophysical Union. All Rights Reserved.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright American Geophysical Union 2012</rights><rights>Copyright</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4461-b357f0c2626532e9db87f7e5d3f753cbbd9006fed024bd2985aeb2d05e44b7803</citedby><cites>FETCH-LOGICAL-c4461-b357f0c2626532e9db87f7e5d3f753cbbd9006fed024bd2985aeb2d05e44b7803</cites><orcidid>0000-0002-3965-121X ; 0000-0001-7316-5111 ; 0000-0002-2235-5158</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1029%2F2012GL052980$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1029%2F2012GL052980$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,776,780,881,1411,1427,11495,27903,27904,45553,45554,46387,46446,46811,46870</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26362833$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-02345531$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Le Moigne, Frédéric A. C.</creatorcontrib><creatorcontrib>Sanders, Richard J.</creatorcontrib><creatorcontrib>Villa-Alfageme, María</creatorcontrib><creatorcontrib>Martin, Adrian P.</creatorcontrib><creatorcontrib>Pabortsava, Katsiaryna</creatorcontrib><creatorcontrib>Planquette, Hélène</creatorcontrib><creatorcontrib>Morris, Paul J.</creatorcontrib><creatorcontrib>Thomalla, Sandy J.</creatorcontrib><title>On the proportion of ballast versus non-ballast associated carbon export in the surface ocean</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>The role of biominerals in driving carbon export from the surface ocean is unclear. We compiled surface particulate organic carbon (POC), and mineral ballast export fluxes from 55 different locations in the Atlantic and Southern Oceans. Substantial surface POC export accompanied by negligible mineral export was recorded implying that association with mineral phases is not a precondition for organic export to occur. The proportion of non‐mineral associated sinking POC ranged from 0 to 80% and was highest in areas previously shown to be dominated by diatoms. This is consistent with previous estimates showing that transfer efficiency in such regions is low. However we propose that, rather than the low transfer efficiency arising from diatom blooms being inherently characterized by poorly packaged aggregates which are efficiently exported but which disintegrate readily in mid water, it is due to such environments having very high levels of unballasted organic C export.
Key Points
Variability of CCs is linked to the PCS at sampling time
Proportion of non‐ballast associated sinking POC is 73% in the Southern Ocean
Large non‐ballast associated pool may explained low transfer efficiency</description><subject>234Th</subject><subject>ballast</subject><subject>Biological oceanography</subject><subject>Carbon</subject><subject>Chemical oceanography</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Ocean, Atmosphere</subject><subject>Oceans</subject><subject>particles export</subject><subject>Particulate organic carbon</subject><subject>POC</subject><subject>Sciences of the Universe</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kE1LHTEUhoO04K115w8ISBeFTj35nlmqba-FQVEsXUlIMgmOTifXZK7Vf99cRi9duUo4PO_DOS9CBwS-EqDNEQVCly0I2tSwgxak4byqAdQ7tABoyp8quYs-5HwHAAwYWaCbixFPtx6vUlzFNPVxxDFga4bB5Ak_-pTXGY9xrF5HJufoejP5DjuTbOH90yaJ-1mU1ykY53F03owf0ftghuz3X9499OvH9-vTs6q9WP48PW4rx7kklWVCBXBUUikY9U1naxWUFx0LSjBnbdcAyOA7oNx25TphvKUdCM-5VTWwPfR59t6aQa9S_8ekZx1Nr8-OW72ZAWVcCEYeSWEPZ7ac_LD2edJ3cZ3Gsp4mhJW2gNS0UF9myqWYc_JhqyWgN2Xr_8su-KcXqcnODCGZ0fV5m6GSSVozVjg6c3_7wT-_6dTLq5Y2HDYbV3Ooz5N_2oZMutdSMSX07_OlJifi8vJKnuhv7B_t3JrU</recordid><startdate>20120816</startdate><enddate>20120816</enddate><creator>Le Moigne, Frédéric A. C.</creator><creator>Sanders, Richard J.</creator><creator>Villa-Alfageme, María</creator><creator>Martin, Adrian P.</creator><creator>Pabortsava, Katsiaryna</creator><creator>Planquette, Hélène</creator><creator>Morris, Paul J.</creator><creator>Thomalla, Sandy J.</creator><general>Blackwell Publishing Ltd</general><general>American Geophysical Union</general><general>John Wiley & Sons, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7TN</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H8D</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>L7M</scope><scope>M2O</scope><scope>M2P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>P5Z</scope><scope>P62</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0002-3965-121X</orcidid><orcidid>https://orcid.org/0000-0001-7316-5111</orcidid><orcidid>https://orcid.org/0000-0002-2235-5158</orcidid></search><sort><creationdate>20120816</creationdate><title>On the proportion of ballast versus non-ballast associated carbon export in the surface ocean</title><author>Le Moigne, Frédéric A. C. ; Sanders, Richard J. ; Villa-Alfageme, María ; Martin, Adrian P. ; Pabortsava, Katsiaryna ; Planquette, Hélène ; Morris, Paul J. ; Thomalla, Sandy J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4461-b357f0c2626532e9db87f7e5d3f753cbbd9006fed024bd2985aeb2d05e44b7803</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>234Th</topic><topic>ballast</topic><topic>Biological oceanography</topic><topic>Carbon</topic><topic>Chemical oceanography</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Ocean, Atmosphere</topic><topic>Oceans</topic><topic>particles export</topic><topic>Particulate organic carbon</topic><topic>POC</topic><topic>Sciences of the Universe</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Le Moigne, Frédéric A. 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C.</au><au>Sanders, Richard J.</au><au>Villa-Alfageme, María</au><au>Martin, Adrian P.</au><au>Pabortsava, Katsiaryna</au><au>Planquette, Hélène</au><au>Morris, Paul J.</au><au>Thomalla, Sandy J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>On the proportion of ballast versus non-ballast associated carbon export in the surface ocean</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>2012-08-16</date><risdate>2012</risdate><volume>39</volume><issue>15</issue><epage>n/a</epage><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>The role of biominerals in driving carbon export from the surface ocean is unclear. We compiled surface particulate organic carbon (POC), and mineral ballast export fluxes from 55 different locations in the Atlantic and Southern Oceans. Substantial surface POC export accompanied by negligible mineral export was recorded implying that association with mineral phases is not a precondition for organic export to occur. The proportion of non‐mineral associated sinking POC ranged from 0 to 80% and was highest in areas previously shown to be dominated by diatoms. This is consistent with previous estimates showing that transfer efficiency in such regions is low. However we propose that, rather than the low transfer efficiency arising from diatom blooms being inherently characterized by poorly packaged aggregates which are efficiently exported but which disintegrate readily in mid water, it is due to such environments having very high levels of unballasted organic C export.
Key Points
Variability of CCs is linked to the PCS at sampling time
Proportion of non‐ballast associated sinking POC is 73% in the Southern Ocean
Large non‐ballast associated pool may explained low transfer efficiency</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2012GL052980</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-3965-121X</orcidid><orcidid>https://orcid.org/0000-0001-7316-5111</orcidid><orcidid>https://orcid.org/0000-0002-2235-5158</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | 234Th ballast Biological oceanography Carbon Chemical oceanography Earth sciences Earth, ocean, space Exact sciences and technology Ocean, Atmosphere Oceans particles export Particulate organic carbon POC Sciences of the Universe |
| title | On the proportion of ballast versus non-ballast associated carbon export in the surface ocean |
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