E3S Web of Conferences
Volume 1, 2013Proceedings of the 16th International Conference on Heavy Metals in the Environment
|Number of page(s)||2|
|Section||Heavy Metals in Aquatic Systems I|
|Published online||23 April 2013|
Response of Freshwater Systems to Local and Global Changes in Mercury Emissions
1 Electric Power Research Institute, Palo Alto, California 94304 U.S.
2 Environ Corporation, Novato, California 94998 U.S.
3 Now at: Lawrence Livermore National Laboratory, Livermore, California 94551 U.S.
Lakes and other waterways, and the biota in those waterways, receiving their mercury burden primarily via atmospheric deposition can be expected to exhibit responses to changes in deposition over an extended time period. A projected control strategy for power plant emissions of mercury was imposed on modeled U.S. plants, while international emissions were modeled for two Chinese emission scenarios: a “business-as-usual” scenario and an “expedited controls” scenario. Levels of mercury in fish were simulated in a New England lake located close to a large U.S. power plant. Results indicated that fish responses to mercury emissions changes were spread over several years, and that even severe reductions in U.S. emissions were masked by non-U.S. emissions growth.
Key words: Mercury / methylmercury / emissions / ecosystem dynamics
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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