Nitrates in Groundwater Agricultural Causes, Evaluation, Prevention, and Clean Up

About this book

This thoroughly researched and well-organised book provides extensive coverage of all important aspects of nitrates in groundwater, ranging from prevention to problem assessment to remediation.

Contents

Fundamental Aspects of Nitrates in GroundwaterThe Nitrogen CycleThe Nitrogen Cycle in Soil and GroundwaterSources of Nitrate to GroundwaterNational Survey of Nitrates (and Pesticides) in Drinking Water WellsHealth Concerns Related to NitratesInfluence of Subsurface ProcessesNitrogen TransformationsNitrogen Transport and FateFactors Influencing Nitrogen Leaching from FertilizersUsage of Laboratory StudiesIllustrations of Nitrate Pollution of GroundwaterIllustrations from the United StatesIllustrations from European and Other CountriesVulnerability Mapping of Groundwater ResourcesContext of Vulnerability MappingSummary of 10 Mapping TechniquesVulnerability Mapping in BelgiumGroundwater Vulnerability to Agricultural Nitrate Pollution in the United KingdomTerrain Suitability Rating for Septic Tank Systems in CanadaGroundwater Contamination Susceptibility in MinnesotaDRASTIC: A Standardized System for Evaluating Groundwater Pollution Potential in the United StatesSoil/Aquifer Field Evaluation (SAFE)Advantages and Limitations Relative to Vulnerability MappingDevelopment of a Nitrate Pollution IndexConceptual Framework for Development of an IndexIdentification of Pertinent FactorsAssignment of Relative Importance WeightsEstablishing Methods for Evaluating Pertinent FactorsDetermining Aggregation Approach for the IndexField Testing of the IndexModels for Nitrates in the Subsurface EnvironmentSource Characterization ModelsNitrate Transport ModelsPlume Model for Nitrogen Point SourceManagement Models for Prevention and ControlManagement Measures for Nitrate Pollution PreventionFertilizer Management MeasuresOther Management MeasuresTreatment Measures for Nitrates in GroundwaterTreatment by Ion Exchange, Reverse Osmosis, or ElectrodialysisTreatment by Biological DenitrificationTreatment by In Situ DenitrificationTreatment by Other MeasuresEach chapter concludes with a summary and selected references

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