PPT-Modeling the Atmospheric Transport and Deposition of Mercury to the Great Lakes

Mark Cohen Roland Draxler Hang Lei Richard Artz NOAA Air Resources Laboratory ARL College Park MD USA 12 th International Conference on Mercury as a Global Pollutant ICMGP Jeju. Fish: . The . Mercury. . Connection. Natural Sources:. Occurs naturally in soils, sediments, and rocks . Volcanic eruptions. Wildfires. Man-Made Sources:. Coal combustion. Medical waste . incineration. During . in-situ. Burning of Oil from the Deepwater Horizon Spill. Goal. Estimate the atmospheric deposition and ground-level air concentrations of dioxin resulting from the ocean-surface burning of oil from the Deepwater Horizon spill, to support a screening level assessment of health risks due to inhalation and due to consumption of dioxin contaminated seafood. May . 10, 2012. Jeremy Rishel. Bruce Napier. Atmospheric Dispersion Modeling in Safety Analyses: GENII. Today’s Presentation….. Will provide a high-level overview of the GENII codes.. Will cover basic aspects of GENII’s acute atmospheric transport model.. Guey-Rong. . Sheu. Department of Atmospheric Sciences. National Central University. Jhong. -Li, Taiwan. Anthropogenic Hg Emissions in 2010. Country. Emission (. tonnes. ). Cambodia. 3.9. China. 575.2. Guey-Rong. . Sheu. Department of Atmospheric Sciences. National Central University. Jhong. -Li, Taiwan. Anthropogenic Hg Emissions in 2010. Country. Emission (. tonnes. ). Cambodia. 3.9. China. 575.2. (work funded through the Great Lakes Restoration Initiative). Dr. Mark Cohen. NOAA Air Resources Laboratory (ARL). College Park, MD, USA. Briefing Slides for GLRI Monthly Call. January 9, 2013. Atmospheric deposition is believed to be the largest . 1. Model-estimated U.S. utility atmospheric mercury deposition contribution to the Great Lakes: HYSPLIT-Hg (1996 meteorology, 1999 emissions) vs. CMAQ-Hg (2001 meteorology, 2001 emissions). . This figure also shows an added component of the CMAQ-Hg estimates -- corresponding to . Tribal Challenges and Responses. Chemistry of Mercury and Adverse Health Effects – Scott Weir, KTIK. Sources and the Global Pool of Atmospheric Mercury - . Scott Weir, KTIK. Mercury Deposition – . 2. (280 . ppmv. ) results in a rain pH of 5.7:. This pH can be modified by natural acids (H. 2. SO. 4. , HNO. 3. , RCOOH…) and bases (NH. 3. , CaCO. 3. ) . e . natural rain has a pH in range 5-7. Krish Vijayaraghavan, Jaegun Jung and Ralph Morris. ENVIRON International Corporation. Novato, CA. Alaska Forum on the Environment. Anchorage, AK. February 6, 2014. 1. Acknowledgments. 2. Donlin. Gold. where does it come from?. A brief human history of mercury poisoning. Qin Shi Huang,. 1. st. emperor of China. Mad hatters. Minimata. disaster. Karen . Wetterhahn. ,. Dartmouth professor. Iraq grain disaster. C. Jerry Lin. *. 1,. . Li Pan. 1. , David G. Streets. 2. , Suraj Shetty. 1. , Carey Jang. 3. , Joshua Fu. 4. , Thomas C. Ho. 1. , Hsing-wei Chu. 1. 1 . College of Engineering, Lamar University, Beaumont, TX. During . in-situ. Burning of Oil from the Deepwater Horizon Spill. Goal. Estimate the atmospheric deposition and ground-level air concentrations of dioxin . resulting from the ocean-surface burning . ARD - 28 20 19 Mercury: What you should know: Mercury is a persistent, bioaccumulative, toxic pollutant. When released into the environment, it accumulate s in water laid sediments where it conver