Woodward, SimonStenger, RolandBidwell, Vincent2019-12-082013-06https://hdl.handle.net/10182/11201Groundwater is the main pathway for diffuse nitrate transport from agricultural land into surface waters. Denitrification attenuates the effect of root zone losses in many groundwater systems. Process-based, spatially-explicit models often can not be used to describe catchment-scale water and nitrate fluxes, as detailed land use, hydrological and biogeochemical information is usually lacking. Therefore, we developed a spatially-lumped model (‘StreamGEM’) to facilitate flux analysis in the many catchments for which stream flow and chemistry time series data, but little other information, exist.1enstream monitoringConference Contribution - unpublished