Environmental Geology · 2005 · 22 citations · 7 references
Natural SciencesEarth SciencesHydrologyGeochemistryMineralogyWater Resources EngineeringNutrient MineralizationNutrient PollutionNutrient RunoffPhosphorus CyclePhosphorus CyclingPhosphorus ManagementPhosphorus BudgetingPhosphorus FluxesPhosphorus GeochemistryPhosphorus TransportRiverine Phosphorus Flux
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Water-Quality Trends in the Nation's Rivers
Richard A. Smith, Richard B. Alexander, M. Gordon Wolman · Science · 1987 · 478 citations