Identifying biogeochemical processes beneath stormwater infiltration ponds in support of a new best management practice for groundwater protection
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Abstract
When applying a stormwater infiltration pond best management practice (BMP) for protecting the quality of underlying groundwater, a common constituent of concern is nitrate. Two stormwater infiltration ponds, the SO and HT ponds, in central Florida, USA, were monitored. A temporal succession of biogeochemical processes was identified beneath the SO pond, including oxygen reduction, denitrification, manganese and iron reduction, and methanogenesis. In contrast, aerobic conditions persisted beneath the HT pond, resulting in nitrate leaching into groundwater. Biogeochemical differences likely are related to soil textural and hydraulic properties that control surface/subsurface oxygen exchange. A new infiltration BMP was developed and a full-scale application was implemented for the HT pond. Preliminary results indicate reductions in nitrate concentration exceeding 50% in soil water and shallow groundwater beneath the HT pond.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Identifying biogeochemical processes beneath stormwater infiltration ponds in support of a new best management practice for groundwater protection |
| ISBN | 9781907161162 1907161163 |
| Volume | 342 |
| Year Published | 2011 |
| Language | English |
| Publisher | International Association of Hydrological Sciences |
| Publisher location | Wallingford, England |
| Description | 4 p. |
| Larger Work Type | Conference Paper |
| Larger Work Subtype | Conference Paper |
| Larger Work Title | GQ10 : Groundwater quality management in a rapidly changing world : proceedings of the seventh International groundwater quality conference held in Zurich, Switzerland, 13-18 June 2010 |
| First page | 50 |
| Last page | 53 |
| Conference Title | GQ10: Groundwater quality management in a rapidly changing world |
| Conference Location | Zurich, Switzerland |
| Conference Date | June 12-18 2010 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |