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Stable lead isotope analyses of historic and contemporary lead contamination of San Francisco bay estuary
The present study sought to identify the historical and contemporary sources of lead and its geochemical cycling in San Francisco bay, using lead concentration and isotopic analyses of dated sediment cores and surface sediments. There was evidence of distinct historical intervals of lead contaminati...
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| Published in: | Marine chemistry 1999-01, Vol.64 (1/2), p.71-83 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
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| container_end_page | 83 |
| container_issue | 1/2 |
| container_start_page | 71 |
| container_title | Marine chemistry |
| container_volume | 64 |
| creator | Ritson, P I Bouse, R M Flegal, A R Luoma, S N |
| description | The present study sought to identify the historical and contemporary sources of lead and its geochemical cycling in San Francisco bay, using lead concentration and isotopic analyses of dated sediment cores and surface sediments. There was evidence of distinct historical intervals of lead contamination in the cores from the Richardson and San Pablo bays and the isotopic evidence suggested that the Selby lead smelter was the major source of lead contamination in both areas. Most of the lead contamination in the San Francisco bay had historical origin. There had been no significant lowering of lead concentrations in the overlying waters in recent years despite the implementation of contaminant source reduction in the area. This was probably due to recycling of lead between sediments and overlying waters. There are 37 references. |
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There was evidence of distinct historical intervals of lead contamination in the cores from the Richardson and San Pablo bays and the isotopic evidence suggested that the Selby lead smelter was the major source of lead contamination in both areas. Most of the lead contamination in the San Francisco bay had historical origin. There had been no significant lowering of lead concentrations in the overlying waters in recent years despite the implementation of contaminant source reduction in the area. This was probably due to recycling of lead between sediments and overlying waters. 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| identifier | ISSN: 0304-4203 |
| ispartof | Marine chemistry, 1999-01, Vol.64 (1/2), p.71-83 |
| issn | 0304-4203 |
| language | eng |
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| source | ScienceDirect Freedom Collection 2022-2024 |
| title | Stable lead isotope analyses of historic and contemporary lead contamination of San Francisco bay estuary |
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