Reports

Asian Dust: Seasonal Transport to the Hawaiian Islands

Science  08 Apr 1983:
Vol. 220, Issue 4593, pp. 195-197
DOI: 10.1126/science.220.4593.195

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Abstract

Analyses of atmospheric particles collected at Mauna Loa Observatory in Hawaii from February 1979 through September 1982 reveal strong influxes of Asian dust in the spring of each year. Concentrations of a typical crustal element, aluminum, are more than an order of magnitude greater between February and June than during the remainder of the year (71 ± 51 versus 6.7 ± 2.3 nanograms per cubic meter). The mass of crustal material transported during the relatively short dust episodes accounts for an average of 80 percent of the total yearly mass of atmospheric particles at 3400 meters on Mauna Loa.

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