Abstract
A comparison of element concentrations in aerosols is made for S, Si, K, Ca, Ti, Fe, and Zn as a function of particle size during April 1976 in nonurban New Mexico, Colorado, and New Hampshire and urban and nearby rural St Louis, Missouri. In the submicrometer diameter range at all sites, S greatly exceeds Si, K, Ca, Ti, and Fe, which occur predominantly in the coarse particle (>1 μm) fraction. Particle size distributions of each of these elements are similar among the five sites, but prominent concentration anomalies and secondary size distribution differences are measureable and suggest differences in aerosol production processes and relative pollution source strengths. The results are potentially useful in evaluating causes of atmospheric visibility differences between the western and eastern U.S.A.
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Winchester, J.W., Ferek, R.J., Lawson, D.R. et al. Comparison of aerosol sulfur and crustal element concentrations in particle size fractions from continental U.S. locations. Water Air Soil Pollut 12, 431–440 (1979). https://doi.org/10.1007/BF01046864
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DOI: https://doi.org/10.1007/BF01046864