Key to terms used:
Beach nourishmentbeach restoration in which hydraulically pumped dredge material is directly placed onto an eroded beach.
Confinedplacement of dredged material within diked nearshore or upland confined placement facilities that enclose and isolate the dredged material from adjacent waters.
Mixeddredging operation that uses more than one dredged material placement alternative. Overboardplacement of dredged material in rivers, lakes, estuaries, or oceans via pipeline or surface release from hopper dredges.
Open water/uplandcombination of open water and upland placement of dredged material.
Upland/beach nourishmentcombination of upland placement and beach nourishment using dredged material.
Uplandplacement of dredge material on land above adjacent water surface elevation.
Wetlands nourishmentwetland restoration in which hydraulically pumped dredge material is directly placed in a wetland area.
Undefinedundefined 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.