A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Trace metals in the Newport Submarine Canyon, California and the adjacent shelf
ABSTRACT: Trace metals in sediments were measured from the Newport Submarine Canyon (stations = 5), California, and adjacent shelf (stations = 6) including an ocean outfall. Concentrations of total organic carbon, percent silt, percent clay, mercury, zinc, arsenic, chromium, nickel, and lead peaked at a canyon station, and silver, cadmium, and copper peaked at the outfall. Within the canyon silver, cadmium, and copper were positively associated with increasing depth; cadmium was also positively correlated with percent clay. From 1985 to 1989, concentrations of zinc, arsenic, chromium, nickel, copper, and lead declined while silver, cadmium, and mercury remained relatively stable in the canyon. Concentrations of some metals in the canyon (arsenic, chromium, lead, mercury, zinc, and nickel) were generally higher than the adjacent shelf and elsewhere throughout the Southern California Bight. In contrast, silver, cadmium, and copper were higher near an ocean outfall than the canyon. Sources other than the outfall are also probably involved.
Trace metals in the Newport Submarine Canyon, California and the adjacent shelf
ABSTRACT: Trace metals in sediments were measured from the Newport Submarine Canyon (stations = 5), California, and adjacent shelf (stations = 6) including an ocean outfall. Concentrations of total organic carbon, percent silt, percent clay, mercury, zinc, arsenic, chromium, nickel, and lead peaked at a canyon station, and silver, cadmium, and copper peaked at the outfall. Within the canyon silver, cadmium, and copper were positively associated with increasing depth; cadmium was also positively correlated with percent clay. From 1985 to 1989, concentrations of zinc, arsenic, chromium, nickel, copper, and lead declined while silver, cadmium, and mercury remained relatively stable in the canyon. Concentrations of some metals in the canyon (arsenic, chromium, lead, mercury, zinc, and nickel) were generally higher than the adjacent shelf and elsewhere throughout the Southern California Bight. In contrast, silver, cadmium, and copper were higher near an ocean outfall than the canyon. Sources other than the outfall are also probably involved.
Trace metals in the Newport Submarine Canyon, California and the adjacent shelf
Maurer, Don (author) / Robertson, George (author) / Gerlinger, Tom (author)
Water Environment Research ; 66 ; 110-118
1994-03-01
9 pages
Article (Journal)
Electronic Resource
English
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