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Radioactive medicine being tracked through rivers

A University of Delaware oceanographer has stumbled upon an unusual aid for studying local waterways: radioactive iodine. Trace amounts of the contaminant, which is used in medical treatments, are entering waterways via wastewater treatment systems and providing a new way to track where and how substances travel through rivers to the ocean. (more…)

U.S. Rivers and Streams Saturated With Carbon

By Guest PostOctober 19, 2011Environmentatmosphere, carbon cycling, carbon dioxide, climate, coastal waterways, david butman, efflux of carbon dioxide, gasoline, global scales, henry gholz, national science foundation, nsf, peter raymond, rivers and streams in the united states, source of atmospheric carbon dioxide

*Significant amount of carbon in land is leaking into streams and rivers, then to the atmosphere*

Rivers and streams in the United States are releasing substantially more carbon dioxide into the atmosphere than previously thought.

This according to researchers publishing their results in the current issue of the journal Nature Geoscience. (more…)

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Sediment Sleuthing

U.S. Rivers and Streams Saturated With Carbon