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Trace Metal Relationships at the Sediment-Water Interface

机译:沉积物 - 水界面的痕量金属关系

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Interstitial waters from nine cores of near-surface sediments from four bodies of water were analyzed for trace elements (reactive phosphorus, (P), iron, manganese, copper (Cu), lead (Pb)), titration alkalinity, wet sediment porosity and redox potential, to assess the capability for chemical exchange at the sediment-water interface. Only Pb and Cu did not show significant enrichment in pore waters relative to overlying lake waters. Iron generally increased with depth; P often showed more than one peak concentration with depth. The data indicated that pore water chemistry differed significantly among samples from various sites, caused by organic matter decomposition.

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