Filters: Tags: sediment transport (X) > Extensions: Citation (X) > partyWithName: Graf, William L (X)
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Field, documentary, and laboratory analyses show that geomorphic processes are a central component in explaining the origins and transportation of the 2,200 kg of mercury annually deposited in Lake Powell in Arizona and Utah. Almost all the mercury in the lake is derived from weathering of natural source rocks in the lake's 279,000 km2 drainage area and delivered in fluvial sediments. Of the mean annual mercury input to the lake, 40 percent comes from a single tributary, the Green River. The Colorado River contributes 40 percent of the water to the lake, but only 6 percent of the mercury. Local Canyon Lands streams contribute only 9 percent of the lake's water but 36 percent of the mercury and 40 percent of the...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Annals of the Association of American Geographers,
Colorado Plateau,
Colorado River,
mercury,
sediment transport,
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