{"thcode":61,"term":{"code":39,"name":"dredge spoils disposal","parent":38,"scope":"includes all processes for relocating material excavated during dredging."},"uf":[],"bt":[{"code":38,"name":"dredging operations","parent":32,"scope":"includes dredging for navigation and for aggregate mining, both of which impact oceanographic processes and benthic habitats."},{"code":32,"name":"anthropogenic agents of coastal change","parent":3,"scope":"human activities that cause changes in coastal processes, landscapes, and ecosystems."},{"code":3,"name":"agents of coastal change","parent":2,"scope":"natural phenomena and human activities that cause changes in coastal processes, landscapes, and ecosystems."},{"code":2,"name":"coastal change hazards topics","parent":1,"scope":null},{"code":1,"name":"Marine Realms Information Bank (MRIB) keyword categories","parent":null,"scope":null}],"nt":[],"rt":[{"code":319,"name":"dredge spoils","parent":318,"scope":"used for the environmental consequences of dredging and redepositing sediments from one sea-floor site to another."},{"code":311,"name":"dredging","parent":308,"scope":"the effects of dredging -- usually to improve navigation channels or extract aggregates -- on the natural sedimentary environments."}]}