Soil and Water Quality at Different Scales: Proceedings of the Workshop “Soil and Water Quality at Different Scales” held 7–9 August 1996, Wageningen, The Netherlands

Front Matter....Pages i-1
Front Matter....Pages 3-3
Soil and water quality at different scales: concepts, challenges, conclusions and recommendations....Pages 5-11
Relevance of scale dependent approaches for integrating biophysical and socio-economic information and development of agroecological indicators....Pages 13-22
Scale issues in agroecological research chains....Pages 23-34
Obtaining soil and land quality indicators using research chains and geostatistical methods....Pages 35-50
Some considerations on methods for spatially aggregating and disaggregating soil information....Pages 51-62
Front Matter....Pages 63-63
Small scale variability in the flow of water and solutes, and implications for lysimeter studies of solute leaching....Pages 65-75
Solute transport at the pedon and polypedon scales....Pages 77-84
Space-time upscaling of plot-based research information: frost tillage....Pages 85-90
Mapping and interpreting soil textural layers to assess agri-chemical movement at several scales along the eastern seaboard (USA)....Pages 91-97
Status and trends of soil salinity at different scales: the case for the irrigated cotton growing region of eastern Australia....Pages 99-107
Investigating soil and groundwater quality at different scales in a forested catchment: the Waldstein case study....Pages 109-118
Slope deposits and water paths in a spring catchment, Frankenwald, Bavaria, Germany....Pages 119-126
Hydromorphic soils, hydrology and water quality: spatial distribution and functional modelling at different scales....Pages 127-142
Upscaling a simple erosion model from small areas to a large region....Pages 143-149
Research on soil fertility decline in tropical environments: integration of spatial scales....Pages 151-158
Soil absorbing complex properties of Russian boreal soils and its dependence on the spatial scale of study area....Pages 159-165
The influence of nitrate reduction strategies on the temporal development of the nitrate pollution of soil and groundwater throughout Germany — a regionally differentiated case study....Pages 167-179
Food supply capacity study at global scale....Pages 181-189
Front Matter....Pages 191-191
Upscaling hydraulic conductivity: theory and examples from geohydrological studies....Pages 193-207
Modelling cadmium accumulation at a regional scale in the Netherlands....Pages 209-222
Front Matter....Pages 191-191
The use of upscaling procedures in the application of soil acidification models at different spatial scales....Pages 223-236
Front Matter....Pages 237-237
Modelling concepts and their relation to the scale of the problem....Pages 239-245
Prediction error through modelling concepts and uncertainty from basic data....Pages 247-253
Uncertainty analysis in environmental modelling under a change of spatial scale....Pages 255-264
Front Matter....Pages 265-265
Regression model to predict travel time for chloride leaching through pedons using soil morphological characteristics....Pages 267-269
Evaluation of nitrate leaching risk at site and farm level....Pages 271-276
Information on within-field variability from sequences of yield maps: multivariate classification as a first step of interpretation....Pages 277-281
Influence of the cultivation system and the relief on the water content of the Ap Horizon of land subject to different use....Pages 283-285
Nutrient losses in surface and subsurface flow from pasture applied poultry litter and composted poultry litter....Pages 287-290
Distribution of inorganic nitrogen in agricultural soils at different dates and scales....Pages 291-297
The development of a hydrological classification of UK soils and the inherent scale changes....Pages 299-302
Regional mass flux balancing for controlling gentle soil remediation operations....Pages 303-306
Using a GIS system in mapping risks of nitrate leaching and erosion on the basis of SOIL/SOIL-N and USLE simulations....Pages 307-311
Modelling water and nitrogen dynamics at three different spatial scales — influence of different data aggregation levels on simulation results....Pages 313-319
Leaching of nitrogen and phosphorus from rural areas to surface waters in the Netherlands....Pages 321-324
Back Matter....Pages 325-328