Quantifying the surfacesubsurface biogeochemical coupling during
Abstract A central question addressed by the VERTIGO (VERtical Transport In the Global Ocean) study was 'What controls the efficiency of particle export between the surface and subsurface ocean'? Here, we present data from sites at ALOHA (N Central Pacific Gyre) and K2 (NW subarctic Pacifi...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.1081.2031 2023-05-15T18:28:26+02:00 Quantifying the surfacesubsurface biogeochemical coupling during Philip W Boyd Mark P Gall Mary W Silver Susan L Coale Robert R Bidigare James K B Bishop The Pennsylvania State University CiteSeerX Archives 2008 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1081.2031 en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1081.2031 Metadata may be used without restrictions as long as the oai identifier remains attached to it. https://digital.library.unt.edu/ark%3A/67531/metadc901864/m2/1/high_res_d/937577.pdf text 2008 ftciteseerx 2020-05-03T00:24:43Z Abstract A central question addressed by the VERTIGO (VERtical Transport In the Global Ocean) study was 'What controls the efficiency of particle export between the surface and subsurface ocean'? Here, we present data from sites at ALOHA (N Central Pacific Gyre) and K2 (NW subarctic Pacific) on phytoplankton processes, and relate them via a simple planktonic foodweb model, to subsurface particle export (150-500 m). Three key factors enable quantification of the surface-subsurface coupling: a sampling design to overcome the temporal lag and spatial displacement between surface and subsurface processes; data on the size-partitioning of Net Primary Production (NPP) and subsequent transformations prior to export; estimates of the ratio of algal-to faecal- This decrease in predicted export at K2 matches the observed trend for E 150 . Also, the low attenuation of export flux from 60 to 150 m is consistent with that between 150 to 500 m. This strong surface-subsurface coupling suggests that phytoplankton productivity and floristics play a key role at K2 in setting export flux, and moreover that pelagic 3 particle transformations by grazers strongly influence to what extent sinking particles are further broken down in the underlying waters of the Twilight Zone. Introduction The biological pump is one of several (such as the solubility pump) that sequester Text Subarctic Unknown Pacific |
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English |
description |
Abstract A central question addressed by the VERTIGO (VERtical Transport In the Global Ocean) study was 'What controls the efficiency of particle export between the surface and subsurface ocean'? Here, we present data from sites at ALOHA (N Central Pacific Gyre) and K2 (NW subarctic Pacific) on phytoplankton processes, and relate them via a simple planktonic foodweb model, to subsurface particle export (150-500 m). Three key factors enable quantification of the surface-subsurface coupling: a sampling design to overcome the temporal lag and spatial displacement between surface and subsurface processes; data on the size-partitioning of Net Primary Production (NPP) and subsequent transformations prior to export; estimates of the ratio of algal-to faecal- This decrease in predicted export at K2 matches the observed trend for E 150 . Also, the low attenuation of export flux from 60 to 150 m is consistent with that between 150 to 500 m. This strong surface-subsurface coupling suggests that phytoplankton productivity and floristics play a key role at K2 in setting export flux, and moreover that pelagic 3 particle transformations by grazers strongly influence to what extent sinking particles are further broken down in the underlying waters of the Twilight Zone. Introduction The biological pump is one of several (such as the solubility pump) that sequester |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Philip W Boyd Mark P Gall Mary W Silver Susan L Coale Robert R Bidigare James K B Bishop |
spellingShingle |
Philip W Boyd Mark P Gall Mary W Silver Susan L Coale Robert R Bidigare James K B Bishop Quantifying the surfacesubsurface biogeochemical coupling during |
author_facet |
Philip W Boyd Mark P Gall Mary W Silver Susan L Coale Robert R Bidigare James K B Bishop |
author_sort |
Philip W Boyd |
title |
Quantifying the surfacesubsurface biogeochemical coupling during |
title_short |
Quantifying the surfacesubsurface biogeochemical coupling during |
title_full |
Quantifying the surfacesubsurface biogeochemical coupling during |
title_fullStr |
Quantifying the surfacesubsurface biogeochemical coupling during |
title_full_unstemmed |
Quantifying the surfacesubsurface biogeochemical coupling during |
title_sort |
quantifying the surfacesubsurface biogeochemical coupling during |
publishDate |
2008 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1081.2031 |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Subarctic |
genre_facet |
Subarctic |
op_source |
https://digital.library.unt.edu/ark%3A/67531/metadc901864/m2/1/high_res_d/937577.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1081.2031 |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766210918111248384 |