Manganese cycling in an acidic Adirondack lake

Jeffrey R. White, Charles T. Driscoll

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

There is considerable interest in the chemistry of Mn in acidic waters because of its role in the generation of acid neutralizing capacity during reduction processes, as an adsorbent in element cycling, and as a potential toxicant to aquatic organisms. Temporal and spatial variations in the concentration of Mn were evident in acidic Dart's Lake (1.0-2.3 μmol l-1), located in the Adirondack Region of New York. Seasonal changes in pH and dissolved oxygen concentration had subtle effects on the chemistry and transport of Mn. Despite oversaturation with respect to the solubility of manganite during periods of stratification, vertical deposition of Mn was minimal. The conservative nature of Mn appears to be due to the acidic conditions in Dart's Lake.

Original languageEnglish (US)
Pages (from-to)87-103
Number of pages17
JournalBiogeochemistry
Volume3
Issue number1-3
DOIs
StatePublished - Feb 1 1987

Keywords

  • Acidification
  • Adirondacks
  • manganese
  • reduction
  • trace metal

ASJC Scopus subject areas

  • Environmental Chemistry
  • Water Science and Technology
  • Earth-Surface Processes

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