Particle transport processes at slope environments - event driven flux across the Barents Sea continental margin
Recent studies of the vertical flux of organic matter into the deep ocean have prompted the search for key organic compounds (biomarkers) as tracers for its production, flux and burial into the sediment. Particulate matter was collected with sediment traps moored at the Barents Sea continental margi...
Published in: | Marine Geology |
---|---|
Main Authors: | , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Elsevier
2001
|
Subjects: | |
Online Access: | https://oceanrep.geomar.de/id/eprint/4204/ https://oceanrep.geomar.de/id/eprint/4204/1/Thomsen.pdf https://doi.org/10.1016/S0025-3227(01)00143-8 |
id |
ftoceanrep:oai:oceanrep.geomar.de:4204 |
---|---|
record_format |
openpolar |
spelling |
ftoceanrep:oai:oceanrep.geomar.de:4204 2024-09-30T14:32:52+00:00 Particle transport processes at slope environments - event driven flux across the Barents Sea continental margin Thomsen, Claudia Blaume, F. Fohrmann, H. Peeken, Ilka Zeller, U. 2001 text https://oceanrep.geomar.de/id/eprint/4204/ https://oceanrep.geomar.de/id/eprint/4204/1/Thomsen.pdf https://doi.org/10.1016/S0025-3227(01)00143-8 en eng Elsevier https://oceanrep.geomar.de/id/eprint/4204/1/Thomsen.pdf Thomsen, C., Blaume, F., Fohrmann, H., Peeken, I. and Zeller, U. (2001) Particle transport processes at slope environments - event driven flux across the Barents Sea continental margin. Marine Geology, 175 . pp. 237-250. DOI 10.1016/S0025-3227(01)00143-8 <https://doi.org/10.1016/S0025-3227%2801%2900143-8>. doi:10.1016/S0025-3227(01)00143-8 info:eu-repo/semantics/restrictedAccess Article PeerReviewed 2001 ftoceanrep https://doi.org/10.1016/S0025-3227(01)00143-8 2024-09-04T05:04:40Z Recent studies of the vertical flux of organic matter into the deep ocean have prompted the search for key organic compounds (biomarkers) as tracers for its production, flux and burial into the sediment. Particulate matter was collected with sediment traps moored at the Barents Sea continental margin (75°11.78′N/12°29.21′E; water depth 2050 m) at 610, 1840 and 1950 m depth. The compositions of the organic material in the two bottoms near traps differ significantly. This difference cannot be the result of a change of the vertical sedimentation alone. A combination of biomarker analyses, quantitative microscopy and bulk parameter determinations on water and sediment trap samples is used in this study to demonstrate that a turbidity plume event at the shelf edge is a vehicle to transport organic and lithogenic particles at high velocities to the benthos of the lower continental margin. It is suggested that fine particles were advected into the trap at 1850 m, whereas the coarser fraction of higher settling velocities, passing several resuspension loops entered the lower trap. Article in Journal/Newspaper Barents Sea OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) Barents Sea Marine Geology 175 1-4 237 250 |
institution |
Open Polar |
collection |
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) |
op_collection_id |
ftoceanrep |
language |
English |
description |
Recent studies of the vertical flux of organic matter into the deep ocean have prompted the search for key organic compounds (biomarkers) as tracers for its production, flux and burial into the sediment. Particulate matter was collected with sediment traps moored at the Barents Sea continental margin (75°11.78′N/12°29.21′E; water depth 2050 m) at 610, 1840 and 1950 m depth. The compositions of the organic material in the two bottoms near traps differ significantly. This difference cannot be the result of a change of the vertical sedimentation alone. A combination of biomarker analyses, quantitative microscopy and bulk parameter determinations on water and sediment trap samples is used in this study to demonstrate that a turbidity plume event at the shelf edge is a vehicle to transport organic and lithogenic particles at high velocities to the benthos of the lower continental margin. It is suggested that fine particles were advected into the trap at 1850 m, whereas the coarser fraction of higher settling velocities, passing several resuspension loops entered the lower trap. |
format |
Article in Journal/Newspaper |
author |
Thomsen, Claudia Blaume, F. Fohrmann, H. Peeken, Ilka Zeller, U. |
spellingShingle |
Thomsen, Claudia Blaume, F. Fohrmann, H. Peeken, Ilka Zeller, U. Particle transport processes at slope environments - event driven flux across the Barents Sea continental margin |
author_facet |
Thomsen, Claudia Blaume, F. Fohrmann, H. Peeken, Ilka Zeller, U. |
author_sort |
Thomsen, Claudia |
title |
Particle transport processes at slope environments - event driven flux across the Barents Sea continental margin |
title_short |
Particle transport processes at slope environments - event driven flux across the Barents Sea continental margin |
title_full |
Particle transport processes at slope environments - event driven flux across the Barents Sea continental margin |
title_fullStr |
Particle transport processes at slope environments - event driven flux across the Barents Sea continental margin |
title_full_unstemmed |
Particle transport processes at slope environments - event driven flux across the Barents Sea continental margin |
title_sort |
particle transport processes at slope environments - event driven flux across the barents sea continental margin |
publisher |
Elsevier |
publishDate |
2001 |
url |
https://oceanrep.geomar.de/id/eprint/4204/ https://oceanrep.geomar.de/id/eprint/4204/1/Thomsen.pdf https://doi.org/10.1016/S0025-3227(01)00143-8 |
geographic |
Barents Sea |
geographic_facet |
Barents Sea |
genre |
Barents Sea |
genre_facet |
Barents Sea |
op_relation |
https://oceanrep.geomar.de/id/eprint/4204/1/Thomsen.pdf Thomsen, C., Blaume, F., Fohrmann, H., Peeken, I. and Zeller, U. (2001) Particle transport processes at slope environments - event driven flux across the Barents Sea continental margin. Marine Geology, 175 . pp. 237-250. DOI 10.1016/S0025-3227(01)00143-8 <https://doi.org/10.1016/S0025-3227%2801%2900143-8>. doi:10.1016/S0025-3227(01)00143-8 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1016/S0025-3227(01)00143-8 |
container_title |
Marine Geology |
container_volume |
175 |
container_issue |
1-4 |
container_start_page |
237 |
op_container_end_page |
250 |
_version_ |
1811636939771609088 |