Trace Metal-Sediment Dynamics in Estuaries: Pollution Assessment

作者: Michael J. Kennish

DOI: 10.1007/978-1-4612-1684-1_2

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摘要: The concentrations of trace metals vary widely in estuaries worldwide, owing to fluxes from natural sources, pulsed anthropogenic inputs, changes the extent weathering, erosion, and runoff, complex biogeochemical processes, a range bioaccumulation effects that often differ markedly within these coastal ecotones. Because large inputs weathering erosion rocks, soils, ore-bearing deposits as well volcanic activity atmospheric fallout, it is difficult assess elemental specific human activities. Historically, metal pollution increased most United States between 1940 1970, largely because population development zone rapid industrial growth (Kennish 1992, 1994, 1997; Valette-Silver 1993).

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