An assessment of a simple method for estimating the relative contributions of point and diffuse source phosphorus to in-river phosphorus loads

Evaluation and management of the impact of land use change on the nitrogen and phosphorus load delivered to surface waters: the export coefficient modelling approach

Penny J Johnes · Journal of Hydrology · 1996 · 722 citations

Natural Resources, Environmental Management, Hydrology +17

The Land Cover Map of Great Britain: an automated classification of Landsat Thematic Mapper data

R. M. Fuller, Geoffrey Brian Groom, Arwyn Jones · 1994 · 415 citations

Natural Sciences, Earth Sciences, Geoinformatics +17

MODELLING THE IMPACT OF LAND USE CHANGE ON WATER QUALITY IN AGRICULTURAL CATCHMENTS

Penny J Johnes, A. Louise Heathwaite · Hydrological Processes · 1997 · 210 citations

Natural Resources, Hydrology, Water Resources Management +17

The determination of total nitrogen and total phosphorus concentrations in freshwaters from land use, stock headage and population data: testing of a model for use in conservation and water quality management

Penny J Johnes, Brian Moss, Geoffrey Phillips · Freshwater Biology · 1996 · 193 citations

Natural Resources, Environmental Sciences, Hydrology +16

Load estimation methodologies for British rivers and their relevance to the LOIS RACS(R) programme

B. Webb, J. M. Phillips, D. E. Walling et al. · The Science of The Total Environment · 1997 · 176 citations

Engineering, Hydrology, Catchment Hydrology +7