Mercury and Methylmercury in the San Francisco Bay Area
Author | : Hyojin Kim |
Publisher | : |
Total Pages | : 50 |
Release | : 2008 |
Genre | : Mercury |
ISBN | : |
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Author | : Hyojin Kim |
Publisher | : |
Total Pages | : 50 |
Release | : 2008 |
Genre | : Mercury |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : |
Release | : 2005 |
Genre | : |
ISBN | : |
We develop and illustrate a general regional multi-species model that describes the fate and transport of mercury in three forms, elemental, divalent, and methylated, in a generic regional environment including air, soil, vegetation, water and sediment. The objectives of the model are to describe the fate of the three forms of mercury in the environment and determine the dominant physical sinks that remove mercury from the system. Chemical transformations between the three groups of mercury species are modeled by assuming constant ratios of species concentrations in individual environmental media. They illustrate and evaluate the model with an application to describe the fate and transport of mercury in the San Francisco Bay Area of California. The model successfully rationalizes the identified sources with observed concentrations of total mercury and methyl mercury in the San Francisco Bay Estuary. The mass balance provided by the model indicates that continental and global background sources control mercury concentrations in the atmosphere but loadings to water in the San Francisco Bay estuary are dominated by runoff from the Central Valley catchment and re-mobilization of contaminated sediments deposited during past mining activities. The model suggests that the response time of mercury concentrations in the San Francisco Bay estuary to changes in loadings is long, of the order of 50 years.
Author | : Wesley Alan Heim |
Publisher | : |
Total Pages | : 266 |
Release | : 2003 |
Genre | : Contaminated sediments |
ISBN | : |
Author | : Sirma R Mihaltcheva |
Publisher | : |
Total Pages | : 372 |
Release | : 2012 |
Genre | : Mercury |
ISBN | : |
Author | : Bill Johnson |
Publisher | : |
Total Pages | : 178 |
Release | : 2004 |
Genre | : Mercury |
ISBN | : |
Author | : Key-Young Choe |
Publisher | : |
Total Pages | : 394 |
Release | : 2002 |
Genre | : Estuarine pollution |
ISBN | : |
Author | : Christopher Hughes Conaway |
Publisher | : |
Total Pages | : 270 |
Release | : 2005 |
Genre | : |
ISBN | : |
Author | : Jenny Jensen |
Publisher | : |
Total Pages | : 84 |
Release | : 2007 |
Genre | : |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 262 |
Release | : 1998 |
Genre | : Best management practices (Pollution prevention) |
ISBN | : |
Author | : Brandy L. Barnett |
Publisher | : |
Total Pages | : 146 |
Release | : 2008 |
Genre | : Mercury |
ISBN | : |