Chesapeake Bay watershed phosphorus long-term flow-adjusted concentration trends 1985 - 2011
- Author:
- USGS
- Date Created:
- January 2, 2013
Changes in phosphorus concentrations have been determined for the period 1985-2011 at 31 stream sites in the Chesapeake Bay watershed. Of these, the majority of the flow-adjusted trends were downward, with 22 sites showing decreasing trends, 4 sites showing increasing trends, and 5 sites showing trends that were not statistically significant.