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TESTING OF ROADSIDE VEGETATION FOR HIGHWAY RUNOFF POLLUTANT REMOVAL.
| 题名： | TESTING OF ROADSIDE VEGETATION FOR HIGHWAY RUNOFF POLLUTANT REMOVAL. |
| 作者： | Kaighn-RJ Jr.; Yu-SL |
| 关键词： | ROADSIDE-FLORA; VEGETATION-; RUNOFF-; POLLUTION-CONTROL; FIELD-STUDIES; GRASSES-; SWALES-; CHECK-DAMS; BUFFER-STRIPS; SUSPENDED-SOLIDS; CHEMICAL-OXYGEN-DEMAND; PHOSPHORUS-; ZINC- |
| 摘要： | A field monitoring program was begun in 1991 to test the ability of grassed swales to remove pollutants from highway runoff. The two swales monitored had different slopes, traffic volumes, and vegetation heights, all of which can affect pollutant removal. One had a check dam, which proved to significantly influence pollutant removal. Also, the pollutant-removal ability of a short buffer strip was examined. Pollutants monitored included total suspended solids, chemical oxygen demand, total phosphorus, and total zinc. Manual and automatic sampling techniques were used to monitor runoff. The results suggest that properly designed short buffer strips and swales with check dams can remove pollutants from highway runoff. |
| 总页数： | Transportation Research Record. 1996. (1523) pp116-123 (4 Phot., 3 Fig., 5 Tab., 18 Ref.) |
| 报告类型： | 科技报告 |
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