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Publications

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Year Published: 2011

Mercury export from the Yukon River Basin and potential response to a changing climate

We measured mercury (Hg) concentrations and calculated export and yield from the Yukon River Basin (YRB) to quantify Hg flux from a large, permafrost-dominated, high-latitude watershed. Exports of Hg averaged 4400 kg Hg yr-1. The average annual yield for the YRB during the study period was 5.17 μg m-2 yr-1, which is 3–32 times more than...

Schuster, Paul F.; Striegl, Robert G.; Aiken, George R.; Krabbenhoft, David P.; DeWild, John F.; Butler, Kenna D.; Kamark, Ben; Dornblaser, Mark

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Year Published: 2011

Formation of nanocolloidal metacinnabar in mercury-DOM-sulfide systems

Direct determination of mercury (Hg) speciation in sulfide-containing environments is confounded by low mercury concentrations and poor analytical sensitivity. Here we report the results of experiments designed to assess mercury speciation at environmentally relevant ratios of mercury to dissolved organic matter (DOM) (i.e., <4 nmol Hg (mg DOM...

Gerbig, Chase A.; Kim, Christopher S.; Stegemeier, John P.; Ryan, Joseph N.; Aiken, George R.

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Year Published: 2011

Biomarkers of mercury exposure in two eastern Ukraine cities

This study evaluates biomarkers of mercury exposure among residents of Horlivka, a city in eastern Ukraine located in an area with geologic and industrial sources of environmental mercury, and residents of Artemivsk, a nearby comparison city outside the mercury-enriched area. Samples of urine, blood, hair, and nails were collected from study...

Gibb, H.; Haver, C.; Kozlov, K.; Centeno, J.A.; Jurgenson, V.; Kolker, Allan; Conko, Kathryn M.; Landa, Edward R.; Xu, H.