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Sediment traps in hill country
The farmers have been involved in riparian fencing and planting but saw a need to try and reduce the sediment load of water channels that appeared during larger rainfall events in small catchment areas on their hill country sheep and beef farms. This project examined the effectiveness of 3 different sediment traps on three neighbouring properties in ...Keeling, Peter +3 more
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Enhancing Sedimentation and Trapping Sediment with a Bottom Grid Structure
Journal of Environmental Engineering, 2014One of the great challenges of gravity settling is the difficulty of effectively removing suspended solids from thewater column and retaining the settled particles in the settling basin under high inflow rates and short resident times. To address these issues, a new concept of using a bottom grid structure (BGS) for enhancing suspended solids removal ...
Cheng He, Jiri Marsalek
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Sediment deposition patterns in restored freshwater wetlands using sediment traps
Ecological Engineering, 1994Abstract Sedimentation rates in constructed wetlands in northeastern Illinois, USA, ranged from 5.9 to 12.8 kg m−2 y−1 in 1989–1990, higher than expected based on concentrations of suspended sediment in influent waters of the wetlands. This predicted an accumulation of 0.5 to 1.0 cm/y.
M. Siobhan Fennessy +2 more
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Laboratory Study of Cylindrical Sedimentation Traps
Journal of the Fisheries Research Board of Canada, 1979Observations of the motion of fluid particles in cylindrical sedimentation traps showed that with an increase of the aspect ratio, there is also an increase in the Reynolds number below which neutrally buoyant droplets that were placed near the floor of the trap would remain in the bottom layer.
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Sediment Trapping by Dams Creates Methane Emission Hot Spots
Environmental Science & Technology, 2013Inland waters transport and transform substantial amounts of carbon and account for ∼18% of global methane emissions. Large reservoirs with higher areal methane release rates than natural waters contribute significantly to freshwater emissions. However, there are millions of small dams worldwide that receive and trap high loads of organic carbon and ...
Maeck, Andreas +7 more
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Post-Fire Sediment Collection by Rockfill Traps
H2GEO, 2004The Colorado Front Range of the Rocky Mountains was ravaged by wildfires during the early summer of 2002. Especially hard hit were areas in the watershed surrounding Cheesman Reservoir, which is located in the South Platter River basin in the foothills above Denver. The conditions left behind by a wildfire of this nature are susceptible to catastrophic
Richard A. Millet +2 more
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Effect of wood accumulation on sediment continuity at permeable sediment traps
2020Permeable sediment traps are designed to retain sediment during floods, while enabling sediment continuity during low flows. This concept combines a mechanical and hydraulic barrier with a guiding channel. The mechanical barrier is an inclined rack with an open spacing between bed and rack structure, designed based on the grain size diameter.
I. Schalko +2 more
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MICROPLASTIC TRAPPING EFFICIENCY WITHIN A LOW-COST SEDIMENT TRAP
Geological Society of America Abstracts with Programs, 2022Cole Bowman +3 more
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Vortex‐Tube Sediment Extractors. I: Trapping Efficiency
Journal of Hydraulic Engineering, 1994The vortex tube is a device for extracting sediment from canals that consists of a tube laid horizontally across the canal bed with an open slit along its top edge. Flow from near the canal bed is collected in the vortex tube and is extracted from the canal.
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