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Revista Brasileira de Oceanografia

Print version ISSN 1413-7739


BICEGO, Márcia Caruso; ZANARDI-LAMARDO, Eliete  and  WEBER, Rolf Roland. Four-year survey of dissolved/dispersed petroleum hydrocarbons on surface waters of Admiralty Bay, King George Island, Antarctica. Rev. Bras. Oceanogr. [online]. 2003, vol.51, n.unico, pp.33-38. ISSN 1413-7739.

Seawater from 8 stations in Admiralty Bay was systematically sampled during the summer of 1994, 1995, 1996 and 1997 and analyzed by spectrofluorimetry to measure dissolved/dispersed petroleum hydrocarbons (DDPHs). The purpose of this study was to detect some temporal and spatial changes in terms of oil contamination of the region. The results indicate low levels of oil pollution with relatively high concentrations near the research stations located in the study area. During the summers of 1995 and 1996 the average concentrations for individual stations were low and below of 0.50 ¼g.L-1. Summers of 1994 and 1997 had relatively higher average concentrations (up to 1.57 ¼g.L-1), mainly in front of Arctowski and Ferraz Research Stations.

Keywords : Petroleum hydrocarbons; Marine pollution; Antarctica; Admiralty Bay; Monitoring programs.

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