G. Morse et al., MANAGING AGRICULTURAL POLLUTION USING A LINKED GEOGRAPHICAL INFORMATION-SYSTEM AND NONPOINT-SOURCE POLLUTION MODEL, Journal of the Institution of Water and Environmental Management, 8(3), 1994, pp. 277-286
This study documents the development of a link between a geographical
information system (GIS) and a non-point source pollution model. The G
IS ARC/INFO was linked to the agricultural non-point source pollution
model and ORACLE data sources. Application of the system is demonstrat
ed using the Bedford-Ouse catchment as a suitable case study. Water qu
ality impacts are predicted from source data describing topography, so
ils, land use and river network. The model results were in agreement w
ith observed nitrate concentrations at the catchment outlet, and more
appropriate data sources are considered to be the main priority for im
proving model predictive ability. Management scenarios were establishe
d to assess the impact of changing agricultural management practices o
n predicted water quality. The approach has significant potential for
the management of agricultural pollution in the UK.