δ13C of Southern Ocean suspended organic matter during spring and early summer: regional and temporal variability
Observations are presented for stable carbon isotope abundance (δ13C) and organic carbon and nitrogen content of suspended organic matter from the Southern Ocean (Circumpolar Current and Polar Front) during spring and early summer. The Polar Front Zone was characterized by elevated plankton biomasse...
Published in: | Deep Sea Research Part II: Topical Studies in Oceanography |
---|---|
Main Authors: | , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Pergamon Press
1997
|
Subjects: | |
Online Access: | https://oceanrep.geomar.de/id/eprint/13659/ https://oceanrep.geomar.de/id/eprint/13659/1/science.pdf https://doi.org/10.1016/S0967-0645(96)00073-2 |
id |
ftoceanrep:oai:oceanrep.geomar.de:13659 |
---|---|
record_format |
openpolar |
spelling |
ftoceanrep:oai:oceanrep.geomar.de:13659 2023-05-15T18:24:24+02:00 δ13C of Southern Ocean suspended organic matter during spring and early summer: regional and temporal variability Dehairs, F. Kopczynska, E. Nielsen, P. Lancelot, C. Bakker, D.C.E. Koeve, Wolfgang Goeyens, L. 1997 text https://oceanrep.geomar.de/id/eprint/13659/ https://oceanrep.geomar.de/id/eprint/13659/1/science.pdf https://doi.org/10.1016/S0967-0645(96)00073-2 en eng Pergamon Press https://oceanrep.geomar.de/id/eprint/13659/1/science.pdf Dehairs, F., Kopczynska, E., Nielsen, P., Lancelot, C., Bakker, D. C. E., Koeve, W. and Goeyens, L. (1997) δ13C of Southern Ocean suspended organic matter during spring and early summer: regional and temporal variability. Deep Sea Research Part II: Topical Studies in Oceanography, 44 (1-2). pp. 129-142. DOI 10.1016/S0967-0645(96)00073-2 <https://doi.org/10.1016/S0967-0645%2896%2900073-2>. doi:10.1016/S0967-0645(96)00073-2 info:eu-repo/semantics/restrictedAccess Article PeerReviewed 1997 ftoceanrep https://doi.org/10.1016/S0967-0645(96)00073-2 2023-04-07T15:02:48Z Observations are presented for stable carbon isotope abundance (δ13C) and organic carbon and nitrogen content of suspended organic matter from the Southern Ocean (Circumpolar Current and Polar Front) during spring and early summer. The Polar Front Zone was characterized by elevated plankton biomasses and phytoplankton activity, which also increased significantly over the one-month investigation period. From the beginning of the phytoplankton bloom δ13C values of suspended organic matter in the Polar Front were high, exceeding values predicted from the relationship with CO2(aq) concentration observed in other areas of the Southern Ocean. Later in the season δ13C of suspended organic matter in the Polar Front became more negative despite continued high biomass and productivity. Ambient CO2 concentration and cell growth rate, therefore, are not the only factors controlling the δ13C of phytoplankton. The possible additional impact of shifts in nitrogen uptake regime is discussed. Article in Journal/Newspaper Southern Ocean OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) Southern Ocean Deep Sea Research Part II: Topical Studies in Oceanography 44 1-2 129 142 |
institution |
Open Polar |
collection |
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) |
op_collection_id |
ftoceanrep |
language |
English |
description |
Observations are presented for stable carbon isotope abundance (δ13C) and organic carbon and nitrogen content of suspended organic matter from the Southern Ocean (Circumpolar Current and Polar Front) during spring and early summer. The Polar Front Zone was characterized by elevated plankton biomasses and phytoplankton activity, which also increased significantly over the one-month investigation period. From the beginning of the phytoplankton bloom δ13C values of suspended organic matter in the Polar Front were high, exceeding values predicted from the relationship with CO2(aq) concentration observed in other areas of the Southern Ocean. Later in the season δ13C of suspended organic matter in the Polar Front became more negative despite continued high biomass and productivity. Ambient CO2 concentration and cell growth rate, therefore, are not the only factors controlling the δ13C of phytoplankton. The possible additional impact of shifts in nitrogen uptake regime is discussed. |
format |
Article in Journal/Newspaper |
author |
Dehairs, F. Kopczynska, E. Nielsen, P. Lancelot, C. Bakker, D.C.E. Koeve, Wolfgang Goeyens, L. |
spellingShingle |
Dehairs, F. Kopczynska, E. Nielsen, P. Lancelot, C. Bakker, D.C.E. Koeve, Wolfgang Goeyens, L. δ13C of Southern Ocean suspended organic matter during spring and early summer: regional and temporal variability |
author_facet |
Dehairs, F. Kopczynska, E. Nielsen, P. Lancelot, C. Bakker, D.C.E. Koeve, Wolfgang Goeyens, L. |
author_sort |
Dehairs, F. |
title |
δ13C of Southern Ocean suspended organic matter during spring and early summer: regional and temporal variability |
title_short |
δ13C of Southern Ocean suspended organic matter during spring and early summer: regional and temporal variability |
title_full |
δ13C of Southern Ocean suspended organic matter during spring and early summer: regional and temporal variability |
title_fullStr |
δ13C of Southern Ocean suspended organic matter during spring and early summer: regional and temporal variability |
title_full_unstemmed |
δ13C of Southern Ocean suspended organic matter during spring and early summer: regional and temporal variability |
title_sort |
δ13c of southern ocean suspended organic matter during spring and early summer: regional and temporal variability |
publisher |
Pergamon Press |
publishDate |
1997 |
url |
https://oceanrep.geomar.de/id/eprint/13659/ https://oceanrep.geomar.de/id/eprint/13659/1/science.pdf https://doi.org/10.1016/S0967-0645(96)00073-2 |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_relation |
https://oceanrep.geomar.de/id/eprint/13659/1/science.pdf Dehairs, F., Kopczynska, E., Nielsen, P., Lancelot, C., Bakker, D. C. E., Koeve, W. and Goeyens, L. (1997) δ13C of Southern Ocean suspended organic matter during spring and early summer: regional and temporal variability. Deep Sea Research Part II: Topical Studies in Oceanography, 44 (1-2). pp. 129-142. DOI 10.1016/S0967-0645(96)00073-2 <https://doi.org/10.1016/S0967-0645%2896%2900073-2>. doi:10.1016/S0967-0645(96)00073-2 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1016/S0967-0645(96)00073-2 |
container_title |
Deep Sea Research Part II: Topical Studies in Oceanography |
container_volume |
44 |
container_issue |
1-2 |
container_start_page |
129 |
op_container_end_page |
142 |
_version_ |
1766204896453853184 |