Chesapeake

Chesapeake

Reducing the delivery of nutrients to the Chesapeake Bay is one of the most important components of restoration efforts to achieve a healthy Bay ecosystem. The USGS has developed a new method for tracking the progress toward reducing nitrogen and phosphorus delivery from the watershed to the Bay. “The public and public officials care deeply about progress towards clean water goals for the Chesapeake Bay and other impaired waters of the Nation,” said Robert Hirsch, USGS Research Hydrologist who led the development of this new method. “We developed the new technique and applied it using more than 13,000 measurements of nitrogen and phosphorus and 100,000 daily streamflow values for nine major rivers flowing into the Chesapeake Bay, in order to provide clearer answers about the changes taking place as part of these long-term restoration efforts.”

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