Collection and Analysis of Trace Metals in Continental Precipitation at Forested Sites in the Southeastern United States

摘要

Noncontaminating methods for collection and analysis of Cd, Mn, Pb, and Zn in rain were developed and applied to a study of metal deposition at four foreasted sites during the period 1976 to 1982. The metal concentrations measured in rain indicate that these sites are representative of rural, continental areas. The concentrations display both temporal and spatial trends, although the trends are complicated by the strong influence of rainfall amount which is inversely correlated with metal concentrations. (ERA citation 11:030524)