PROGRESS IN MANAGEMENT OF SEDIMENT BYPASSING AT COASTAL INLETS: NATURAL BYPASSING, WEIR JETTIES, JETTY SPURS, AND ENGINEERING AIDS IN DESIGN
Introduction - Seabergh-Kraus-CEJ-030002
Natural Sand Bypassing at Inlets
Fig. 1. Morphologic features at Shinnecock Inlet, New York.
Fig. 2. Interpreted sediment-transport pathways at Shinnecock Inlet.
Fig. 3. Concept sketch for reservoir inlet morphology model.
Fig. 4. Typical elements of a weir jetty system.
Table 1. Weir Jetty Costal Inlets in the United States.
Hillsboro Inlet, Florida
Masonboro Inlet, North Carolina
Fig. 7. Masonboro Inlet, North Carolina, after construction of the south jetty.
Ponce De Leon Inlet, Florida
Murrells Inlet, South Carolina
Mouth of the Colorado River, Texas
Fig. 10. Mouth of Colorado River, Texas, January 2001.
Deposition basin location and size
Design with respect to net long-shore sediment transport
Fig. 12. Placement of a groin updrift of weir jetty to aid in capturing only net sediment volume in deposition basin.
Jetty weir construction material
Weir length
Spur functioning
Spur jetty design considerations
Table 2. Spur jetty installations in United States.
Spur elevation
Fig. 15. Currents deflected by Siuslaw River, Oregon, jetty spurs (from Pollock, et al. 1995).
Physical modeling of spurs
Fig. 17. Sediment tracer movement due to 3 m, 15 seconds waves, with maximum flood current of 1.4 m/sec in channel.
Discussion and Conclusions - Seabergh-Kraus-CEJ-030028
Acknowledgments - Seabergh-Kraus-CEJ-030029
References - Seabergh-Kraus-CEJ-030030
References cont'd - Seabergh-Kraus-CEJ-030031
Seabergh-Kraus-CEJ-03
Introduction - Seabergh-Kraus-CEJ-030002
Natural Sand Bypassing at Inlets
Fig. 1. Morphologic features at Shinnecock Inlet, New York.
Fig. 2. Interpreted sediment-transport pathways at Shinnecock Inlet.
Fig. 3. Concept sketch for reservoir inlet morphology model.
Fig. 4. Typical elements of a weir jetty system.
Table 1. Weir Jetty Costal Inlets in the United States.
Hillsboro Inlet, Florida
Masonboro Inlet, North Carolina
Fig. 7. Masonboro Inlet, North Carolina, after construction of the south jetty.
Ponce De Leon Inlet, Florida
Murrells Inlet, South Carolina
Mouth of the Colorado River, Texas
Fig. 10. Mouth of Colorado River, Texas, January 2001.
Deposition basin location and size
Design with respect to net long-shore sediment transport
Fig. 12. Placement of a groin updrift of weir jetty to aid in capturing only net sediment volume in deposition basin.
Jetty weir construction material
Weir length
Spur functioning
Spur jetty design considerations
Table 2. Spur jetty installations in United States.
Spur elevation
Fig. 15. Currents deflected by Siuslaw River, Oregon, jetty spurs (from Pollock, et al. 1995).
Physical modeling of spurs
Fig. 17. Sediment tracer movement due to 3 m, 15 seconds waves, with maximum flood current of 1.4 m/sec in channel.
Discussion and Conclusions - Seabergh-Kraus-CEJ-030028
Acknowledgments - Seabergh-Kraus-CEJ-030029
References - Seabergh-Kraus-CEJ-030030
References cont'd - Seabergh-Kraus-CEJ-030031
Seabergh-Kraus-CEJ-03
