Organizations: Environmental Isotopes Variables: dissolved_organic_carbon hydraulic_conductivity concentration Keywords: denitrification Substances: Nitrogen (InChI=1S/N2/c1-2) Oxygen (InChI=1S/O2/c1-2) Krypton (InChI=1S/Kr) Nitrate (InChI=1S/NO3/c2-1(3)4/q-1)