Geochemistry of airborne particles from the lower troposphere of Terra Nova Bay, Antarctica

S. Guerzoni; R. Lenaz; G. Quarantotto; M. Taviani; G. Rampazzo; M. C. Facchini; S. Fuzzi

doi:10.3402/tellusb.v44i4.15458

Geochemistry of airborne particles from the lower troposphere of Terra Nova Bay, Antarctica

Tellus B: Chemical and Physical Meteorology

Volume 44 (1992): Issue 4

By: S. Guerzoni, R. Lenaz, G. Quarantotto, M. Taviani, G. Rampazzo, M. C. Facchini and S. Fuzzi

Open Access

|Jan 1992

Abstract

Major and trace constituents (soluble + insoluble) of wind-blow particles collected at Terra Nova Bay were studied and the data compared with lacustrine and marine sediments from the same area and the Ross Sea. Compared to the geochemical composition of the other local sediments, the aerosol was found to be slightly enriched in femic minerals and depleted in Si. The Transantarctic Mountains (granitoids and metamorphic rocks) are proposed as the main source of the large (D > μm) insoluble particles, with a possible contribution from nearby volcanoes. The soluble fraction accounts for more than 2/3 of the total mass loading and is mainly composed of marine salts. Some traces of contamination due to emissions from human activities were found in the aerosol, with mean Pb enrichment factor (EF_crust) value of 181. Crustal Pb contribution accounts for less than 10%, marine Pb less than 0.01% and 90% of Pb is unaccounted.

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Articles in this issue

DOI: https://doi.org/10.3402/tellusb.v44i4.15458 | Journal eISSN: 1600-0889

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Language: English

Page range: 304 - 310

Submitted on: Sep 7, 1991

Accepted on: Feb 24, 1992

Published on: Jan 1, 1992

Published by: Stockholm University Press

In partnership with: Paradigm Publishing Services

© 1992 S. Guerzoni, R. Lenaz, G. Quarantotto, M. Taviani, G. Rampazzo, M. C. Facchini, S. Fuzzi, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 44 (1992): Issue 4