The distribution of inorganic phosphorus in modern sediments of the Bay of Biscay

被引：0
|
作者：
Anshutz, P [1 ]
Hyacinthe, C [1 ]
Carbonel, P [1 ]
Jouanneau, JM [1 ]
Jorissen, F [1 ]
机构：
[1] Univ Bordeaux 1, Dept Geol & Oceanog, CNRS, UMR 5805, F-33405 Talence, France
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE A-SCIENCES DE LA TERRE ET DES PLANETES | 1999年 / 328卷 / 11期
关键词：
sediment; benthic environment; phosphate; iron oxides; Bay of Biscay; France;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The phosphorus geochemistry on the Bay of Biscay margin shows that modern sediments represent a source of phosphate for overlying seawater. However, particulate phosphorus leached with an ascorbate solution and 1 N HCl remains constant in the sedimentary column, which suggests that inorganic particulate phosphorus is trapped in the sediment. This is due to bioturbation, which carries iron oxides with high adsorption capacities for phosphate deep into the sediment, and also, to the precipitation of authigenic phosphate minerals in the anaerobic zone of the sediment. ((C) Academie des sciences/Elsevier, Paris.).
引用
收藏
页码：765 / 771
页数：7
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