Levels of dissolved trace and heavy metals, which can be toxic, are highly variable across the river basin, concentrating in urban areas with high pollution but diluted by inflow from tributaries.
water pollution
Posted inResearch Spotlights
How Land Use Affects Nutrient Pollution in a Changing Climate
As heavy rain falls more frequently, the land alongside a river has a greater effect on the waterway’s nutrient levels—for better or worse.
Posted inNews
Ancient Romans Polluted Their Lakes Just Like We Do Today
Sediments from a lake in Switzerland reveal that ancient Romans triggered dead zones caused by the runoff of nutrients. Sound familiar?
Posted inResearch Spotlights
When Income Goes Up, Does Pollution Go Down?
Scientists look at a possible connection between increased wealth and decreased water pollution in Louisiana.