Arsenic, antimony, and germanium biogeochemistry in the Baltic Sea
作者： Meinrat O. Andreae , Philip N. Froelich
DOI: 10.3402/TELLUSB.V36I2.14880
关键词: Arsenic 、 Seawater 、 Biogeochemistry 、 Biogeochemical cycle 、 Antimony 、 Oceanography 、 Geochemical cycle 、 Water column 、 Geology 、 Sediment
摘要: Arsenic, antimony, and germanium species concentrations have been determined from fivehydrographic stations along the central axis of Baltic Sea Bornholm Basin to theGulf Finland. Arsenic antimony are lower than in open oceans inmost rivers. In oxic waters, pentavalent As Sb predominate, while theanoxic basins, distribution shifts trivalent possibly some sulfo-complexes.Methylated arsenic make up a large fraction dissolved surface andmethylated As, Sb, Ge detectable throughout water column. Germanicacid about ten times higher ocean much can beaccounted for by Ruvial input. The vertical distributions arsenic, germaniumwithin controlled biogeochemical cycling, involving biogenic uptake,particulate scavenging partial regeneration. A mass balance including river atmosphericinputs, exchange with Atlantic through Belt Sea, removal sediment depositionsuggests that anthropogenic inputs significant contribution budgets all threeelements, atmospheric fluxes dominating input Baltic. DOI: 10.1111/j.1600-0889.1984.tb00232.x
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