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CCP5 - Organic-matter remineralization and nutrient turnover in permeable sandy sediments
M. Holtappels, C. Winter
A. Bartholomä, D. de Beer, V. Ernstsen, T. Goldhammer, M. Kuypers, F. Wenzhöfer
Porewater flow in sandy sediments is a function of sediment permeability, bottom-water currents and seabed morphology. Porewater flow accelerates the mass transport into sandy sediment causing strongly increased rates of organic matter (OM) remineralization and denitrification.
Although ~60% of the highly productive shelf areas are covered by permeable sediments, OM remineralization and denitrification rates in these sediments are poorly constrained and are probably strongly underestimated. This SD-GB project will investigate interactions between physical sediment properties, hydro and morphodynamics and rates of benthic OM remineralization and denitrification in coastal areas.
A. Bartholomä, D. de Beer, V. Ernstsen, T. Goldhammer, M. Kuypers, F. Wenzhöfer
Porewater flow in sandy sediments is a function of sediment permeability, bottom-water currents and seabed morphology. Porewater flow accelerates the mass transport into sandy sediment causing strongly increased rates of organic matter (OM) remineralization and denitrification.
Although ~60% of the highly productive shelf areas are covered by permeable sediments, OM remineralization and denitrification rates in these sediments are poorly constrained and are probably strongly underestimated. This SD-GB project will investigate interactions between physical sediment properties, hydro and morphodynamics and rates of benthic OM remineralization and denitrification in coastal areas.
