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Abstract
Suspended-sediment-concentration (SSC) regimes of five biological reference streams in Tennessee were characterized from 15-minute SSC records spanning 1 to 4 water years (October 1 through September 30) between 2004 and 2008. These streams represent least disturbed conditions for their respective ecoregions and have exceptional biodiversity in terms of fish or aquatic invertebrates. SSC regimes in streams, when plotted in terms of duration above a given SSC at a given annual frequency such as the annual maximum or the annual tenth longest duration, can be compared directly to published biological impairment thresholds derived from experimental trials. Based on such comparison, the SSC regimes of all five reference streams reached published impairment thresholds at least 10 times per water year for all years of record. The results suggest that the published impairment thresholds are not directly applicable to streams in Tennessee and, by extension, the southeastern United States.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Suspended-sediment concentration regimes in Tennessee biological reference streams |
| Year Published | 2010 |
| Language | English |
| Publisher | Joint Federal Interagency Conference |
| Contributing office(s) | Tennessee Water Science Center |
| Description | 12 p. |
| Larger Work Type | Conference Paper |
| Larger Work Title | Proceedings of the Joint Federal Interagency Conference 2010: Hydrology and sedimentation for a changing future: existing and emerging issues |
| Conference Title | Joint Federal Interagency Conference 2010: Hydrology and sedimentation for a changing future: existing and emerging issues |
| Conference Location | Las Vegas, Nevada |
| Conference Date | June 27-July 1 2010 |
| Country | United States |
| State | Tennessee |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |