Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay
The distribution of transparent exopolymer particles (TEP) was investigated during a coccolithophorid bloom in the northern Bay of Biscay (North Atlantic Ocean) in early June 2006. MODIS chlorophyll-a (Chl-a) and reflectance images before and during the cruise were used to localize areas of importan...
Published in: | Deep Sea Research Part I: Oceanographic Research Papers |
---|---|
Main Authors: | , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Elsevier
2009
|
Subjects: | |
Online Access: | https://oceanrep.geomar.de/id/eprint/12190/ https://oceanrep.geomar.de/id/eprint/12190/1/Harlay.pdf https://doi.org/10.1016/j.dsr.2009.01.014 |
id |
ftoceanrep:oai:oceanrep.geomar.de:12190 |
---|---|
record_format |
openpolar |
spelling |
ftoceanrep:oai:oceanrep.geomar.de:12190 2023-05-15T17:32:52+02:00 Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay Harlay, Jérôme De Bodt, Caroline Engel, Anja Jansen, Sandra d’Hoop, Quentin Piontek, Judith Van Oostende, Nicolas Groom, Steve Sabbe, Koen Chou, Lei 2009 text https://oceanrep.geomar.de/id/eprint/12190/ https://oceanrep.geomar.de/id/eprint/12190/1/Harlay.pdf https://doi.org/10.1016/j.dsr.2009.01.014 en eng Elsevier https://oceanrep.geomar.de/id/eprint/12190/1/Harlay.pdf Harlay, J., De Bodt, C., Engel, A. , Jansen, S., d’Hoop, Q., Piontek, J., Van Oostende, N., Groom, S., Sabbe, K. and Chou, L. (2009) Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay. Deep-Sea Research Part I-Oceanographic Research Papers, 56 (8). pp. 1251-1265. DOI 10.1016/j.dsr.2009.01.014 <https://doi.org/10.1016/j.dsr.2009.01.014>. doi:10.1016/j.dsr.2009.01.014 info:eu-repo/semantics/restrictedAccess Article PeerReviewed 2009 ftoceanrep https://doi.org/10.1016/j.dsr.2009.01.014 2023-04-07T15:00:31Z The distribution of transparent exopolymer particles (TEP) was investigated during a coccolithophorid bloom in the northern Bay of Biscay (North Atlantic Ocean) in early June 2006. MODIS chlorophyll-a (Chl-a) and reflectance images before and during the cruise were used to localize areas of important biological activity and high reflectance (HR). TEP profiles along the continental margin, determined using microscopic (TEPmicro) and colorimetric (TEPcolor) methods, showed abundant (6.1×106–4.4×107 L−1) and relatively small (0.5–20 μm) particles, leading to a low total volume fraction (0.05–2.2 ppm) of TEPmicro and similar vertical profiles of TEPcolor. Estimates of carbon content in TEP (TEP-C) derived from the microscopic approach yielded surface concentration of 1.50 μmol C L−1. The contribution of TEP-C to particulate organic carbon (POC) was estimated to be 12% (molar C ratio) during this survey. Our results suggest that TEP formation is a probable first step to rapid and efficient export of C during declining coccolithophorid blooms. Article in Journal/Newspaper North Atlantic OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) Deep Sea Research Part I: Oceanographic Research Papers 56 8 1251 1265 |
institution |
Open Polar |
collection |
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) |
op_collection_id |
ftoceanrep |
language |
English |
description |
The distribution of transparent exopolymer particles (TEP) was investigated during a coccolithophorid bloom in the northern Bay of Biscay (North Atlantic Ocean) in early June 2006. MODIS chlorophyll-a (Chl-a) and reflectance images before and during the cruise were used to localize areas of important biological activity and high reflectance (HR). TEP profiles along the continental margin, determined using microscopic (TEPmicro) and colorimetric (TEPcolor) methods, showed abundant (6.1×106–4.4×107 L−1) and relatively small (0.5–20 μm) particles, leading to a low total volume fraction (0.05–2.2 ppm) of TEPmicro and similar vertical profiles of TEPcolor. Estimates of carbon content in TEP (TEP-C) derived from the microscopic approach yielded surface concentration of 1.50 μmol C L−1. The contribution of TEP-C to particulate organic carbon (POC) was estimated to be 12% (molar C ratio) during this survey. Our results suggest that TEP formation is a probable first step to rapid and efficient export of C during declining coccolithophorid blooms. |
format |
Article in Journal/Newspaper |
author |
Harlay, Jérôme De Bodt, Caroline Engel, Anja Jansen, Sandra d’Hoop, Quentin Piontek, Judith Van Oostende, Nicolas Groom, Steve Sabbe, Koen Chou, Lei |
spellingShingle |
Harlay, Jérôme De Bodt, Caroline Engel, Anja Jansen, Sandra d’Hoop, Quentin Piontek, Judith Van Oostende, Nicolas Groom, Steve Sabbe, Koen Chou, Lei Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay |
author_facet |
Harlay, Jérôme De Bodt, Caroline Engel, Anja Jansen, Sandra d’Hoop, Quentin Piontek, Judith Van Oostende, Nicolas Groom, Steve Sabbe, Koen Chou, Lei |
author_sort |
Harlay, Jérôme |
title |
Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay |
title_short |
Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay |
title_full |
Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay |
title_fullStr |
Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay |
title_full_unstemmed |
Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay |
title_sort |
abundance and size distribution of transparent exopolymer particles (tep) in a coccolithophorid bloom in the northern bay of biscay |
publisher |
Elsevier |
publishDate |
2009 |
url |
https://oceanrep.geomar.de/id/eprint/12190/ https://oceanrep.geomar.de/id/eprint/12190/1/Harlay.pdf https://doi.org/10.1016/j.dsr.2009.01.014 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
https://oceanrep.geomar.de/id/eprint/12190/1/Harlay.pdf Harlay, J., De Bodt, C., Engel, A. , Jansen, S., d’Hoop, Q., Piontek, J., Van Oostende, N., Groom, S., Sabbe, K. and Chou, L. (2009) Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay. Deep-Sea Research Part I-Oceanographic Research Papers, 56 (8). pp. 1251-1265. DOI 10.1016/j.dsr.2009.01.014 <https://doi.org/10.1016/j.dsr.2009.01.014>. doi:10.1016/j.dsr.2009.01.014 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1016/j.dsr.2009.01.014 |
container_title |
Deep Sea Research Part I: Oceanographic Research Papers |
container_volume |
56 |
container_issue |
8 |
container_start_page |
1251 |
op_container_end_page |
1265 |
_version_ |
1766131167753404416 |