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Basin-scale inputs of cobalt, iron, and manganese from the Benguela-Angola front to the South Atlantic Ocean
Basin-scale inputs of cobalt, iron manganese Benguela-Angola South Atlantic Ocean
2014/4/4
We present full-depth zonal sections of total dissolved cobalt, iron, manganese, and labile cobalt from the South Atlantic Ocean. A basin-scale plume from the African coast appeared to be a major sour...
Basin-scale inputs of cobalt, iron, and manganese from the Benguela-Angola front to the South Atlantic Ocean
Basin-scale inputs of cobalt iron manganese the Benguela-Angola front the South Atlantic Ocean
2014/4/3
We present full-depth zonal sections of total dissolved cobalt, iron, manganese, and labile cobalt from the South Atlantic Ocean. A basin-scale plume from the African coast appeared to be a major sour...
Evidence for geochemical control of iron by humic substances in seawater
geochemical control iron by humic substances in seawater
2014/4/17
A new method, based on the direct detection of iron-humic substance (HS) species by cathodic stripping voltammetry (CSV), is used to determine the iron binding capacity and complex stability of fulvic...
Copper-dependent iron transport in coastal and oceanic diatoms
Copper-dependent iron transport in coastal oceanic diatoms
2014/5/4
We investigated the presence of plasmalemma-bound copper-containing oxidases associated with the inducible iron (Fe) transport system in two diatoms of the genus Thalassiosira. Under Fe-limiting condi...
The elemental stoichiometry and composition of an iron-limited diatom
The elemental stoichiometry composition of an iron-limited diatom
2014/5/9
We grew Thalassiosira weissflogii to steady state over a range of Fe-limiting conditions with nitrate or ammonium as the N source. Nitrate-dependent cells had faster Fe-uptake rates, contained signifi...
Control of silica production by iron and silicic acid during the Southern Ocean Iron Experiment (SOFeX)
silica production iron and silicic acid Southern Ocean Iron Experiment
2014/5/9
We examined the role of Si limitation in mediating the response of siliceous biomass and silica production to mesoscale Fe fertilization in the high-silicic acid high-nitrate waters of the Antarctic a...
Light-induced redox cycling of iron in circumneutral lakes
Light-induced redox cycling of iron circumneutral lakes
2014/5/30
The light-induced redox cycling of FeII/FeIII was studied both in laboratory experiments and in the field in two circumneutral Swiss lakes: Greifensee, a eutrophic, natural water body, and Melchsee, a...