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http://dx.doi.org/10.17663/JWR.2018.20.4.417

Analysis on the Runoff Reduction Efficiency of Non Point Pollutants in Animal Feeding Area Using Artificial Reservoir  

Oa, Seong-Wook (School of Railroad Civil System, Woosong University)
Publication Information
Journal of Wetlands Research / v.20, no.4, 2018 , pp. 417-423 More about this Journal
Abstract
It analyzed the efficiency of the runoff reduction of artificial reservoir by analyzing the influent and effluent of reservoir located downstream of the livestock area. Production of non point pollutants in livestock feeding areas, which is located at steep slope land, was mainly due to first flushes. Suspended Solid concentration of influent increased due to amount of rainfall, and T-P also increased over four times and 30 % of total nitrogen increased on average compared to those of dry season. While the concentration of nitrate nitrogen showed little variation, ammonia nitrogen increased over two times. The storage style nonpoint reduction facility showed the highest removal efficiency of 53 % for total phosphorus in dry weather, when the removal efficiency was 37 % for suspended solids, 10% for organic compounds, and 5 % for total nitrogen. Since algal bloom grows due to eutrophication in summer, the minus removal efficiencies of nitrogen concentration through the reservoir occurred with high frequency. Removal efficiency decreased during rainfall, showing 60 % for supended solids, and 22 % for total phosphorus. While having over nine times of capacity than the standard of non-point removal facility from Ministry of Environment, it was impounded with water during rainy season, showing not enough nonpoint removal efficiency, which indicates that maintenance is also an important factor to the nonpoint removal efficiency.
Keywords
Artificial Reservoir; First flush; Livestock manure; Non-point source; Storm water runoff;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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