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Antarctic Science

Table of Contents - 1999 - Volume 11, Issue 02  


Papers—Atmospheric Sciences

Significance of selected halocarbons monitoring in air samples collected in the Terra Nova Bay region (northern Victoria Land, Antarctica)

Filippo Mangani a1, Michela Maione a1 and Luciano Lattanzi a1
a1 Università degli Studi di Urbino, Istituto di Scienze Chimiche “F. Bruner”, 6 Piazza Rinascimento, 61029 Urbino, Italy

Article author query
mangani f   [PubMed][Google Scholar] 
maione m   [PubMed][Google Scholar] 
lattanzi l   [PubMed][Google Scholar] 

Abstract

CCl3F (or CFC-11) and CCl2F2 (or CFC-12) were determined in air samples collected, during subsequent summer Antarctic campaigns, in different sampling sites in the Ross Sea Region. The samples were analysed by GC-ECD after enrichment. Data obtained since 1988–89 were plotted to observe the trend of CFCs atmospheric concentration levels. A decrease in the rate of increase of CFC-12 concentration was observed, whilst the concentration of CFC-11 was actually seen to be decreasing.

(Received April 30 1998)
(Accepted February 28 1999)


Key Words: Antarctica; chlorofluorocarbons; gas chromatography-electron capture detection (GC-ECD); troposphere.

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