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Concentrations of 7Be in surface air at Suva, Fiji

Garimella, Sitaram and Koshy, Kanayathu and Singh, S. (2003) Concentrations of 7Be in surface air at Suva, Fiji. The South Pacific Journal of Natural Sciences, 21 (1). pp. 15-19. ISSN 1013-9877

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A high-volume air sampler and a high-resolution gamma-ray spectrometer have been used during the period 1999-2000 at the University of the South Pacific to measure the activity of 7Be in the surface air at Suva, the capital city of Fiji. The measurements indicate that the average concentration of 7Be in surface air is about 1.6 mBq m-3, which agrees closely with the corresponding values reported for other Pacific islands in the region. 7Be shows a significant correlation with nitrate in the atmosphere. This could imply long-range transport of anthropogenically-derived continental material to Fiji or the intrusion of nitrogen species from the stratosphere to surface air.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Pacific Centre for Environment and Sustainable Development (PACE-SD)
Faculty of Science, Technology and Environment (FSTE) > School of Engineering and Physics
Depositing User: Ms Mereoni Camailakeba
Date Deposited: 23 Apr 2003 07:49
Last Modified: 10 Jul 2012 05:32

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