Search Results - "Schulz, H. D."

Geochemical processes in the saltwater–freshwater transition zone: comparing results of a sand tank experiment with field data by Panteleit, B., Hamer, K., Kringel, R., Kessels, W., Schulz, H. D.

“…Geochemical processes, occurring in a stable transition zone between saltwater and freshwater, were simulated in a 2D, multi-layer flow chamber experiment…”
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Deep Sulfate Reduction Completely Mediated by Anaerobic Methane Oxidation in Sediments of the Upwelling Area off Namibia by Niewöhner, C, Hensen, C, Kasten, S, Zabel, M, Schulz, H.D

“…Porewater concentrations of sulfate, methane, and other relevant constituents were determined on four sediment cores from the high productivity upwelling area…”
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Regional distribution of diffusive phosphate and silicate fluxes through the sediment–water interface: the eastern South Atlantic by Zabel, M., Dahmke, A., Schulz, H.D.

“…From pore water concentration profiles and calculations of the corresponding diffusive fluxes, regional distribution patterns of benthic phosphate and silicate…”
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Modeling of subsurface calcite dissolution, including the respiration and reoxidation processes of marine sediments in the region of equatorial upwelling off Gabon by Pfeifer, K., Hensen, C., Adler, M., Wenzhfer, F., Weber, B., Schulz, H.D.

“…Mineralization of organic matter and the subsequent dissolution of calcite were simulated for surface sediments of the upper continental slope off Gabon by…”
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Modeling of calcite dissolution by oxic respiration in supralysoclinal deep-sea sediments by Adler, M, Hensen, C, Wenzhöfer, F, Pfeifer, K, Schulz, H.D

“…Pore-water profiles of CO 2, pH, Ca 2+ and O 2 in situ concentrations were measured at two stations on the upper continental slope off Gabon. The present study…”
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A comparison of benthic nutrient fluxes from deep-sea sediments off Namibia and Argentina by Hensen, Christian, Zabel, Matthias, Schulz, Horst D.

“…Benthic fluxes of nitrate, phosphate, silicate, and oxygen, estimated C org input to the sea floor, and C org content of surface sediments at various stations…”
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Iron species determination to investigate early diagenetic reactivity in marine sediments by Haese, R.R., Wallmann, K., Dahmke, A., Kretzmann, U., Müller, P.J., Schulz, H.D.

“…Iron speciation was determined in hemiplegic sediments from a high productivity area to investigate systematically the early diagenetic reactivity of Fe. A…”
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Quantification of diffusive benthic fluxes of nitrate, phosphate, and silicate in the southern Atlantic Ocean by Hensen, Christian, Landenberger, Holger, Zabel, Matthias, Schulz, Horst D.

“…Pore water data from surface sediments and bottom water data at 180 locations were used to create distribution maps of diffusive benthic release rates of…”
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Determination of major and minor constituents in anoxic thermal brines of deep sandstone aquifers in Northern Germany by Kühn, M., Niewöhner, C., Isenbeck-Schröter, M., Schulz, H.D.

“…The common process of low energy geothermal exploitation is the doublet of production-and reinjection borehole. The quality of water reinjected into a clastic…”
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The influence of redox processes on trace element mobility in a sandy aquifer—an experimental approach by Schlieker, M, Schüring, J, Hencke, J, Schulz, H.D

“…This study is concerned with the geochemical behavior of Cu, Zn, As, Mo, Ba, La and Ce under the reducing conditions of a bank infiltration system. To identify…”
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Computer simulation of deep sulfate reduction in sediments of the Amazon Fan by Adler, M., Hensen, C., Kasten, S., Schulz, H. D.

“…Pore water concentration profiles of sediments at a site on the Amazon Fan were investigated and simulated with the numerical model CoTReM (column transport…”
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Rare earth elements in manganese nodules from the South Atlantic Ocean as indicators of oceanic bottom water flow by Kasten, S, Glasby, G.P, Schulz, H.D, Friedrich, G, Andreev, S.I

“…The mineralogy and geochemistry of a suite of nine manganese nodules from the South Atlantic have been determined. The Ce/La ratios of the nodules were…”
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The early diagenesis of iron in pelagic sediments: a multidisciplinary approach by Haese, R.R, Petermann, H, Dittert, L, Schulz, H.D

“…Biogeochemical reactions of iron within pelagic sediments from the eastern and western equatorial Atlantic are investigated by means of pore water chemistry,…”
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A comparative study of iron and manganese diagenesis in continental slope and deep sea basin sediments off Uruguay (SW Atlantic) by Haese, R. R., Schramm, J., Rutgers van der Loeff, M. M., Schulz, H. D.

“…Pore water and solid phase from surface sediments of the continental slope off Uruguay and from the Argentine Basin (southwestern Atlantic) were investigated…”
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Simulation of early diagenetic processes in continental slope sediments off southwest Africa: the computer model CoTAM tested by Hensen, C., Landenberger, H., Zabel, M., Gundersen, J.K., Glud, R.N., Schulz, H.D.

“…Pore water of marine sediments recovered from two stations of the continental slope off southwest Africa were investigated. We present computer simulations of…”
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Importance of submarine landslides for non-steady state conditions in pore water systems — lower Zaire (Congo) deep-sea fan by Zabel, Matthias, Schulz, Horst D

“…Most concentration profiles of sulfate in continental margin sediments show constant or continuously increasing gradients from the benthic boundary layer down…”
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Reconstruction of primary productivity from the barium contents in surface sediments of the South Atlantic Ocean by Pfeifer, Kerstin, Kasten, Sabine, Hensen, Christian, Schulz, Horst D

“…The aim of the present study is an evaluation of the applicability of biogenic barium as a proxy for productivity. For this purpose, 190 surface sediment…”
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Barium peaks at glacial terminations in sediments of the equatorial Atlantic Ocean—relicts of deglacial productivity pulses? by Kasten, Sabine, Haese, Ralf R., Zabel, Matthias, Rühlemann, Carsten, Schulz, Horst D.

“…In sediment cores recovered from oligotrophic settings of the western and eastern north-equatorial Atlantic Ocean, Ceará Rise and Sierra Leone Rise, distinct…”
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Near-surface geochemical processes in Quaternary sediments by Dahmke, A, Matthess, G

“…Pore-water analyses and mineralogical investigations from the unsaturated zone of Quaternary glacial outwash sediments were carried out to investigate the…”
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Measurement of Delbrück Scattering and Observation of Photon Splitting at High Energies by Jarlskog, G., Jönsson, L., Prünster, S., Schulz, H. D., Willutzki, H. J., Winter, G. G.

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