Hostname: page-component-cd9895bd7-gxg78 Total loading time: 0 Render date: 2024-12-23T02:37:10.979Z Has data issue: false hasContentIssue false
  • English
  • Français

Baseline atmospheric mercury studies at Ross Island, Antarctica

Published online by Cambridge University Press:  13 May 2004

S. J. de Mora ,
J. E. Patterson  and
D. M. Bibby
S. J. de Mora
Affiliation:
Chemistry Department, University of Auckland, Private Bag 92019, Auckland, New Zealand
J. E. Patterson
Affiliation:
Industrial Research Ltd., P. O. Box 31310, Lower Hutt, New Zealand
D. M. Bibby
Affiliation:
Industrial Research Ltd., P. O. Box 31310, Lower Hutt, New Zealand
Get access Rights & Permissions [Opens in a new window]

Abstract

The first extended baseline studies of total gaseous mercury (TGM) and dimethylmercury (DMM) in Antarctica are reported. Mean TGM concentrations of 0.52, 0.60 and 0.52 ng m−3 were obtained for three consecutive years at the southern tip of Ross Island (77°S). The levels of DMM in Antarctica are less than 10% of the TGM, and frequently fall below the limit of detection. These results represent the lowest TGM concentrations recorded globally and extend into polar regions the observation of a decrease in atmospheric mercury concentration with increasing latitude.

Keywords

Antarcticaatmospheremercurybaselinespeciation
Type
Papers—Atmospheric Sciences
Information
Antarctic Science , Volume 5 , Issue 3 , September 1993 , pp. 323 - 326
Copyright
© Antarctic Science Ltd 1993

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)