Aluminum, Iron, Zinc, and Lead in Bog Waters of Northeastern North America

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Abstract
Aluminum, iron, zinc, and lead were measured in 37 surface waters from 24 bogs along an east to west transect from Manitoba and Minnesota to Maine and the Atlantic Provinces of Canada. The major influence upon Al and Fe is atmospheric deposition of soil particles. Zinc and Pb are derived primarily from air pollution. Concentrations of Al and Fe in bog waters greatly exceed those in regional atmospheric precipitation; dry deposition and evaporative concentration are the likely explanations. Concentrations of Zn and Pb are less than those in precipitation, presumably due to sorption by peat.