Chesapeake Bay watershed nitrogen long-term flow-adjusted concentration trends 1985 - 2011

Chesapeake Bay watershed nitrogen long-term flow-adjusted concentration trends 1985 - 2011

Author: USGS

Date created: Jan 02, 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.

Download

nitrogen trends flow-adjusted