Global Patterns of Legacy Nitrate Storage in the Vadose Zone

Matthew Ascott1, Daren Gooddy2, Lei Wang3, Marianne Stuart2, Melinda Lewis2, Robert Ward3 and Andrew M. Binley4, (1)British Geological Survey Wallingford, Wallingford, United Kingdom, (2)British Geological Survey, Wallingford, United Kingdom, (3)British Geological Survey, Keyworth, United Kingdom, (4)Lancaster University, Lancaster Environment Centre, Lancaster, United Kingdom