Article (Scientific journals)
Iron study during a time series in the western Weddell pack ice
Lannuzel, Delphine; Schoemann, Veronique; de Jong, Jeroen et al.
2008In Marine Chemistry, 108 (1-2), p. 85-95
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Abstract :
[en] Samples of sea ice, snow, brine and underlying seawater were collected in the western Weddell pack ice at the ISPOL drifting station (Ice Station POLarstern, 68 degrees S/55 degrees W) in spring-summer period (November 2004-January 2005). Total-dissolvable, dissolved and particulate Fe concentrations in the sea ice environment were determined every 5 days during the time series, together with relevant physical, chemical and biological parameters. From 29 November to 30 December, a decrease in all forms of Fe measured was observed, likely to be the result of enhanced ice permeability as summer proceeds. At the beginning of the time series, melting of the upper ice layer took place together with brine drainage process. This would enable the seeding of Fe from the ice matrix towards the upper water column below. 70% of this Fe was supplied during the first 10 days of the survey, while the ice cover is still present. Flux estimates from the sampled area furthermore highlight the relevant role of the pack ice in the biogeochemical cycle of Fe in the western Weddell Sea. (C) 2007 Elsevier B.V. All rights reserved.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Lannuzel, Delphine
Schoemann, Veronique
de Jong, Jeroen
Chou, Lei
Delille, Bruno  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique
Becquevort, Sylvie
Tison, Jean-Louis
Language :
English
Title :
Iron study during a time series in the western Weddell pack ice
Publication date :
2008
Journal title :
Marine Chemistry
ISSN :
0304-4203
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
108
Issue :
1-2
Pages :
85-95
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
SIBCLIM - BELCANTO
Funders :
FWB - Fédération Wallonie-Bruxelles [BE]
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
Commentary :
© 2007 Elsevier B.V. All rights reserved.
Available on ORBi :
since 06 December 2008

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