Figure 4-6Disposal/Use of Material Dredged by the U.S. Army Corps of Engineers
Figure 4-6
Disposal/Use of Material Dredged by the U.S. Army Corps of Engineers
Excel | CSV | Graphic Version
| 1997 | 1999 | 2001 | |
|---|---|---|---|
| Beach\rnourishment | 13,109,655 | 6,653,865 | 22,336,073 |
| Confined | 32,294,086 | 36,021,807 | 12,153,000 |
| Underwater | 0 | 0 | 1,274,430 |
| Mixed | 65,365,841 | 20,828,480 | 36,690,000 |
| Overboard | 84,990,343 | 142,604,404 | 80,244,480 |
| Open water/upland | 5,412,336 | 5,555,000 | 6,974,600 |
| Upland/beach | 1,783,300 | 1,150,000 | 1,109,430 |
| Upland | 15,308,625 | 17,135,400 | 13,445,173 |
| Wetlands\rnourishment | 8,500,000 | 11,421,051 | 28,628,142 |
| Undefined | 3,221,000 | 4,460,587 | 9,907,540 |
KEY to terms used:
Beach nourishment-beach restoration in which hydraulically pumped dredge material is directly placed onto an eroded beach.
Confined-placement of dredged material within diked nearshore or upland confined placement facilities that enclose and isolate the dredged material from adjacent waters.
Mixed-dredging operation that uses more than one dredged material placement alternative.
Overboard-placement of dredged material in rivers, lakes, estuaries, or oceans via pipeline or surface release from hopper dredges.
Open water/upland-combination of open water and upland placement of dredged material.
Upland/beach nourishment-combination of upland placement and beach nourishment using dredged material.
Upland-placement of dredge material on land above adjacent water surface elevation.
Wetlands nourishment-wetland restoration in which hydraulically pumped dredge material is directly placed in a wetland area.
Undefined-undefined or unknown at the time of data entry.
SOURCE: U.S. Army Corps of Engineers National Data Center, available at http://www.wrsc.usace.army.mil/ndc, as of May 17, 2001.