Chemistry of sediment profile GeoB4906, supplement to: Pfeifer, Kerstin; Hensen, Christian; Adler, M; Wenzhöfer, Frank; Weber, Bettina; Schulz, Horst D (2002): Modeling of subsurface calcite dissolution - including the respiration and re-oxidation processes of marine sediments in the region of equatorial upwelling off Gabon. Geochimica et Cosmochimica Acta, 66(24), 4247-4259

Kerstin Pfeifer, Christian Hensen, M Adler, Frank Wenzhöfer, Bettina Weber & Horst D Schulz
Mineralization of organic matter and the subsequent dissolution of calcite were simulated for surface sediments of the upper continental slope off Gabon by using microsensors to measure O2, pH, pCO2 and Ca2+ (in situ), pore-water concentration profiles of NO3-, NH4+, Fe2+, and Mn2+ and SO42- (ex situ), as well as sulfate reduction rates derived from incubation experiments. The transport and reaction model CoTReM was used to simulate the degradation of organic matter by O2, [NO3]-,...
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