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MODELING AQUATIC FATE AND BIOACCUMULATION OF MERCURY IN WATERBODIES: APPLICATION OF THE BASS MODEL TO THE LAKE ONTARIO EXPOSURE FRAMEWORK
Citation:
SUNDERLAND, E., J. M. JOHNSTON, AND M. C. BARBER. MODELING AQUATIC FATE AND BIOACCUMULATION OF MERCURY IN WATERBODIES: APPLICATION OF THE BASS MODEL TO THE LAKE ONTARIO EXPOSURE FRAMEWORK. Presented at Mercury Multicompartment Modeling Workshop, IJC Biennial Meeting and Great Lakes Conference, Kingston, ON, CANADA, June 09 - 11, 2005.
Impact/Purpose:
The objective of this task is to develop, support and transfer a wide variety of tools and mathematical models that can be used to support watershed and water quality protection programs in support of OW, OSWER, and the Regions.
Description:
A modeling approach for waterbody fate and transformation of mercury species was developed for Lake Ontario. This framework includes the estimation of mercury inputs, including those from atmospheric deposition, tributary and point source loadings, outputs via outflows and volatilization and sediment sequestering. The US EPA BASS model (Bioaccumulation and Aquatic System Simulator) was applied to this framework to simulate the bioaccumulation and biomagnification in the Lake Ontario food chain.