[PDF] Top 20 Dissolved iron and iron isotopes in the southeastern Pacific Ocean
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Dissolved iron and iron isotopes in the southeastern Pacific Ocean
... summary, the combined dissolved Fe and Fe isotope data of this study suggest that porewater sources and unique cases of Fe redox cycling over short temporal scales source elevated dFe ... Voir le document complet
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Dissolved iron distribution in the tropical and sub tropical South Eastern Pacific
... When the current flows over a wide shelf it is in contact with the organic-rich shelf sediments and DFe concentrations are ...when the current flows over a narrow shelf or along ... Voir le document complet
13
Dissolved iron distribution in the tropical and sub tropical South Eastern Pacific
... was in deficit compared to PO 4 3− resulting from the remineralisation of organic 15 ...that the Marquesas islands and the surrounding plateau are not a significant source of ...DFe. ... Voir le document complet
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Biogeochemical iron budgets of the Southern Ocean south of Australia: Decoupling of iron and nutrient cycles in the subantarctic zone by the summertime supply
... sedimentary iron transported laterally and to the south (via the EAC exten- sion) over long distances (up to 1000 km) in subsurface waters, and iron dust and/or ... Voir le document complet
15
Sedimentary and mineral dust sources of dissolved iron to the world ocean
... of dissolved iron from sink- ing particles; and 3) an improved sedimentary source for dis- solved ...scavenged iron (90%) is put on sinking particles to remineralize deeper in ... Voir le document complet
27
Processes controlling the distribution of dissolved silicon isotopes (δ30Si) in the Atlantic and the Southern Ocean
... distribution in the Eastern Equatorial Pacific, ...L., and Wagener, T.: Effect of natural iron fertilization on carbon sequestration in the Southern Ocean, Nature, ... Voir le document complet
145
Sedimentary and mineral dust sources of dissolved iron to the World Ocean
... ranges in Figs. 5–7 for the Old BEC, New BEC, SedOnly, and DustOnly simula- ...between the Old BEC and New BEC simulations. The New BEC simulation has high iron ... Voir le document complet
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Origin and fate of particulate and dissolved organic matter in a naturally iron-fertilized region of the Southern Ocean
... Origin and fate of DOM Although an important fraction of the primary production is transferred to the DOM pool ...estimate the phyto- plankton contribution to bulk DOC with the markers ... Voir le document complet
16
Distal transport of dissolved hydrothermal iron in the deep South Pacific Ocean
... (B) The southeast Pacific, where Melville BiG RAPA Stations 7 ...104°W) and 4 (23.5°S, 88.75°W) are indicated in red and the hydrothermally active EPR is ...interpolate ... Voir le document complet
9
Towards accounting for dissolved iron speciation in global ocean models
... (2007) and modeled values of ∼30– 60 pM from the western sub-Arctic Pacific within the range of ∼20–40 pM from Roy et ...of the dFe pool (modeled values are 30–40 %). In ... Voir le document complet
16
Deep dissolved iron profiles in the eastern North Atlantic in relation to water masses
... from the depth of the mixed layer until around 1000 ...constant. In contrast to other major nutrients, no inter-basin fraction- ation has been clearly observed for ...iron. The factors ... Voir le document complet
5
Elucidating the dechlorination mechanism of hexachloroethane by Pd-doped zerovalent iron microparticles in dissolved lactic acid polymers using chromatography and indirect monitoring of iron corrosion
... that. The polymeric coating can alter the reactivity of iron- 245 based particles due to (i) the blocking of reactive sites and (ii) the inhibition of mass transfer to the ... Voir le document complet
41
Dynamics and stability of an iron drop falling in a magma ocean
... for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...not. The documents may come from L’archive ouverte pluridisciplinaire HAL, est destinée au ... Voir le document complet
67
Modeling the impact of iron and phosphorus limitations on nitrogen fixation in the Atlantic Ocean
... across the range of different remineraliza- tion length scales, except for the simulation where nitrogen and phosphorus remineralization length scales are set equal to 400 ...m. In this ... Voir le document complet
26
Availability of iron and major nutrients for phytoplankton in the northeast Atlantic Ocean
... nano- and picophytoplankton ...(1.8 and 2.5, respectively). This suggests that growth of the phy- toplankton community, in particular diatoms, is colimited by several ...Comparing the ... Voir le document complet
11
Distributions of dissolved trace metals (Cd, Cu, Mn, Pb, Ag) in the southeastern Atlantic and the Southern Ocean
... 4.3.3 The cadmium and phosphate relationship Cadmium correlated strongly with phosphate (P), at phos- phate concentrations above ...µM. In the subtropical sur- face waters, phosphate ... Voir le document complet
17
Modeling the impact of iron and phosphorus limitations on nitrogen fixation in the Atlantic Ocean
... time and space scales. Here we use selected vertical sections to show the model nutrient fields at depth and to validate the remineralization length scales chosen for nitrogen, phosphorus, ... Voir le document complet
62
Community‐Level Responses to Iron Availability in Open Ocean Plankton Ecosystems
... Analysis and Correlations With Iron A co‐occurrence network analysis similar to that reported in Guidi et ...prokaryotic and eukaryotic lineages, as well as viral populations, based on their ... Voir le document complet
30
Analysis of the Global Ocean Sampling (GOS) Project for Trends in Iron Uptake by Surface Ocean Microbes
... quantitative and qualitative variations in iron-related strategies with predicted iron concentrations, and a global trend of increasing proportions of iron uptake genes in ... Voir le document complet
10
Iron
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