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Does a ballast effect occur in the surface ocean?
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| Zeitschriftentitel: | Geophysical Research Letters |
|---|---|
| Personen und Körperschaften: | , , , , , , |
| In: | Geophysical Research Letters, 37, 2010, 8 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
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| Schlagwörter: |
| author_facet |
Sanders, Richard Morris, Paul J. Poulton, Alex J. Stinchcombe, Mark C. Charalampopoulou, Anastasia Lucas, Mike I. Thomalla, Sandy J. Sanders, Richard Morris, Paul J. Poulton, Alex J. Stinchcombe, Mark C. Charalampopoulou, Anastasia Lucas, Mike I. Thomalla, Sandy J. |
|---|---|
| author |
Sanders, Richard Morris, Paul J. Poulton, Alex J. Stinchcombe, Mark C. Charalampopoulou, Anastasia Lucas, Mike I. Thomalla, Sandy J. |
| spellingShingle |
Sanders, Richard Morris, Paul J. Poulton, Alex J. Stinchcombe, Mark C. Charalampopoulou, Anastasia Lucas, Mike I. Thomalla, Sandy J. Geophysical Research Letters Does a ballast effect occur in the surface ocean? General Earth and Planetary Sciences Geophysics |
| author_sort |
sanders, richard |
| spelling |
Sanders, Richard Morris, Paul J. Poulton, Alex J. Stinchcombe, Mark C. Charalampopoulou, Anastasia Lucas, Mike I. Thomalla, Sandy J. 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1029/2010gl042574 <jats:p>The oceanic biological carbon pump (BCP), a large (10 GT C yr<jats:sup>−1</jats:sup>) component of the global carbon cycle, is dominated by the sinking (export) of particulate organic carbon (POC) from surface waters. In the deep ocean, strong correlations between downward fluxes of biominerals and POC (the so‐called ‘ballast effect’) suggest a potential causal relationship, the nature of which remains uncertain. We show that similar correlations occur in the upper ocean with high rates of export only occurring when biominerals are also exported. Exported particles are generally biomineral rich relative to the upper ocean standing stock, due either to: (1) exported material being formed from the aggregation of a biomineral rich subset of upper ocean particles; or (2) the unfractionated aggregation of the upper ocean particulate pool with respiration then selectively removing POC relative to biominerals until particles are dense enough to sink.</jats:p> Does a ballast effect occur in the surface ocean? Geophysical Research Letters |
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| title |
Does a ballast effect occur in the surface ocean? |
| title_unstemmed |
Does a ballast effect occur in the surface ocean? |
| title_full |
Does a ballast effect occur in the surface ocean? |
| title_fullStr |
Does a ballast effect occur in the surface ocean? |
| title_full_unstemmed |
Does a ballast effect occur in the surface ocean? |
| title_short |
Does a ballast effect occur in the surface ocean? |
| title_sort |
does a ballast effect occur in the surface ocean? |
| topic |
General Earth and Planetary Sciences Geophysics |
| url |
http://dx.doi.org/10.1029/2010gl042574 |
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2010 |
| physical |
|
| description |
<jats:p>The oceanic biological carbon pump (BCP), a large (10 GT C yr<jats:sup>−1</jats:sup>) component of the global carbon cycle, is dominated by the sinking (export) of particulate organic carbon (POC) from surface waters. In the deep ocean, strong correlations between downward fluxes of biominerals and POC (the so‐called ‘ballast effect’) suggest a potential causal relationship, the nature of which remains uncertain. We show that similar correlations occur in the upper ocean with high rates of export only occurring when biominerals are also exported. Exported particles are generally biomineral rich relative to the upper ocean standing stock, due either to: (1) exported material being formed from the aggregation of a biomineral rich subset of upper ocean particles; or (2) the unfractionated aggregation of the upper ocean particulate pool with respiration then selectively removing POC relative to biominerals until particles are dense enough to sink.</jats:p> |
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| author | Sanders, Richard, Morris, Paul J., Poulton, Alex J., Stinchcombe, Mark C., Charalampopoulou, Anastasia, Lucas, Mike I., Thomalla, Sandy J. |
| author_facet | Sanders, Richard, Morris, Paul J., Poulton, Alex J., Stinchcombe, Mark C., Charalampopoulou, Anastasia, Lucas, Mike I., Thomalla, Sandy J., Sanders, Richard, Morris, Paul J., Poulton, Alex J., Stinchcombe, Mark C., Charalampopoulou, Anastasia, Lucas, Mike I., Thomalla, Sandy J. |
| author_sort | sanders, richard |
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| description | <jats:p>The oceanic biological carbon pump (BCP), a large (10 GT C yr<jats:sup>−1</jats:sup>) component of the global carbon cycle, is dominated by the sinking (export) of particulate organic carbon (POC) from surface waters. In the deep ocean, strong correlations between downward fluxes of biominerals and POC (the so‐called ‘ballast effect’) suggest a potential causal relationship, the nature of which remains uncertain. We show that similar correlations occur in the upper ocean with high rates of export only occurring when biominerals are also exported. Exported particles are generally biomineral rich relative to the upper ocean standing stock, due either to: (1) exported material being formed from the aggregation of a biomineral rich subset of upper ocean particles; or (2) the unfractionated aggregation of the upper ocean particulate pool with respiration then selectively removing POC relative to biominerals until particles are dense enough to sink.</jats:p> |
| doi_str_mv | 10.1029/2010gl042574 |
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| spelling | Sanders, Richard Morris, Paul J. Poulton, Alex J. Stinchcombe, Mark C. Charalampopoulou, Anastasia Lucas, Mike I. Thomalla, Sandy J. 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1029/2010gl042574 <jats:p>The oceanic biological carbon pump (BCP), a large (10 GT C yr<jats:sup>−1</jats:sup>) component of the global carbon cycle, is dominated by the sinking (export) of particulate organic carbon (POC) from surface waters. In the deep ocean, strong correlations between downward fluxes of biominerals and POC (the so‐called ‘ballast effect’) suggest a potential causal relationship, the nature of which remains uncertain. We show that similar correlations occur in the upper ocean with high rates of export only occurring when biominerals are also exported. Exported particles are generally biomineral rich relative to the upper ocean standing stock, due either to: (1) exported material being formed from the aggregation of a biomineral rich subset of upper ocean particles; or (2) the unfractionated aggregation of the upper ocean particulate pool with respiration then selectively removing POC relative to biominerals until particles are dense enough to sink.</jats:p> Does a ballast effect occur in the surface ocean? Geophysical Research Letters |
| spellingShingle | Sanders, Richard, Morris, Paul J., Poulton, Alex J., Stinchcombe, Mark C., Charalampopoulou, Anastasia, Lucas, Mike I., Thomalla, Sandy J., Geophysical Research Letters, Does a ballast effect occur in the surface ocean?, General Earth and Planetary Sciences, Geophysics |
| title | Does a ballast effect occur in the surface ocean? |
| title_full | Does a ballast effect occur in the surface ocean? |
| title_fullStr | Does a ballast effect occur in the surface ocean? |
| title_full_unstemmed | Does a ballast effect occur in the surface ocean? |
| title_short | Does a ballast effect occur in the surface ocean? |
| title_sort | does a ballast effect occur in the surface ocean? |
| title_unstemmed | Does a ballast effect occur in the surface ocean? |
| topic | General Earth and Planetary Sciences, Geophysics |
| url | http://dx.doi.org/10.1029/2010gl042574 |