The impact of human activities on sediments of San Francisco Bay, California: an overview
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Abstract
This note introduces a set of eight papers devoted to a detailed study of two sediment cores from San Francisco Bay with an overview of the region and a chronology of human activities. Data used in this study to constrain the range of sediment ages at different depths include 
, and 
concentrations in the sediment and the 
age of shell fragments. In order of first detectable appearance in the record, the indicators of contamination that were analyzed include PAHs>Hg>Ag, Cu, Pb, Zn>DDT, PCB>foraminiferal Cd/Ca. This study also documents a large memory effect for estuarine contamination caused by sediment mixing and resuspension. Once an estuary such as San Francisco Bay has been contaminated, decades must pass before contaminant levels in surface sediment will return to background levels, even if external contaminant inputs have been entirely eliminated.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The impact of human activities on sediments of San Francisco Bay, California: an overview |
| Series title | Marine Chemistry |
| DOI | 10.1016/S0304-4203(98)00080-2 |
| Volume | 64 |
| Issue | 1-2 |
| Year Published | 1999 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | San Francisco Bay-Delta, Pacific Regional Director's Office |
| Description | 6 p. |
| First page | 1 |
| Last page | 6 |
| Country | United States |
| State | California |
| Other Geospatial | San Francisco Bay |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |