Filters: Tags: Olentangy River Wetland Research Park (X)
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Straightened channels and altered and drained adjacent riparian wetlands have adversely impacted streams and rivers throughout the US Midwest. This research investigated the biological connection and water quality of a 0.07 ha diversion wetland and adjacent stream at the Olentangy River Wetland Research Park in central Ohio. Before the flowthrough conditions were established, we demonstrated with mark and recapture techniques that the wetland already was a biorefuge for fish under extreme conditions; two species (Centrarchidae) captured in the stream before a total drawdown of the stream were found in the wetland a year later. In addition, water at the bottom remained at around 4 °C over the winter likely due to...
Categories: Publication;
Types: Citation;
Tags: Bankfull discharge,
Data Visualization & Tools,
Diversion wetland,
Flood pulse concept (FPC),
Floodplain experiments,
Nitrate-nitrogen retention as a result of river water diversions is compared in experimental wetland basins in Ohio for 18 wetland-years (9 years × 2 wetland basins) and a large wetland complex in Louisiana (1 wetland basin × 4 years). The Ohio wetlands had an average nitrate-nitrogen retention of 39 g-N m−2 year−1, while the Louisiana wetland had a slightly higher retention of 46 g-N m−2 year−1 for a similar loading rate area. When annual nitrate retention data from these sites are combined with 26 additional wetland-years of data from other wetland sites in the Basin Mississippi River (Ohio, Illinois, and Louisiana), a robust regression model of nitrate retention versus nitrate loading is developed. The model...
Categories: Publication;
Types: Citation;
Tags: Data Visualization & Tools,
Landscapes,
Mississippi River Basin,
Northeast CASC,
Olentangy River Wetland Research Park,
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