Metals in Estuarine Sediments: Factor Analysis and Its Environmental Significance

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Science  23 Oct 1981:
Vol. 214, Issue 4519, pp. 441-443
DOI: 10.1126/science.214.4519.441


Q-mode factor analysis has been used to partition the variability of environmentally active metals in Delaware Bay sediments. Three factors, identified as a natural background source, an oceanic or seawater source, and an estuarine source, account for 96 percent of the metal variability.