Klaus-Holger Knorr

• Biogeochemistry of peatlands, lake sediments, and anaerobic aquifers

• Biogeochemical processes of wetland restoration

• Coupling of hydrological and biogeochemical processes

• CO₂, N₂O and CH₄ production and trace gas fluxes

• Interface vegetation - rhizosphere - soils in wetland and heterogeneous process distribution

• Characterization of natural organic matter

• Redox active organic matter and interaction of DOC - iron - sulfur

• Stable and radioactive isotopes