Chesapeake Bay watershed nitrogen long-term flow-adjusted concentration trends 1985 - 2011
- Author:
- USGS
- Date Created:
- January 2, 2013
Changes in nitrogen 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 improving, with 21 sites having improving trends, 3 sites had degrading trends, and 7 sites the trends were not statistically significant.