Hydrologists find Mississippi River network's buffering system for nitrates is overwhelmed

A new method of measuring surface water-ground water interaction along the length of the Mississippi River suggests the nitrates causing the Gulf of Mexico dead zone can not be controlled through existing natural filtration systems. The research provides valuable information for water quality efforts, including tracking of nitrogen fertilizers that flow through the river network into the gulf.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/g...