Accession Number:

ADA535233

Title:

The Role of Chemical Speciation in Processes Governing the Environmental Fate and Effects of Trace Metals in Estuarine and Coastal Environments

Descriptive Note:

Annual rept.

Corporate Author:

CALIFORNIA UNIV SANTA CRUZ INST OF MARINE SCIENCES

Personal Author(s):

Report Date:

1998-09-30

Pagination or Media Count:

6.0

Abstract:

The long-term goals of our research have been to 1 Continue to develop and evaluate highly sensitive analytical techniques for determining the concentrations of bioactive trace metals in seawater and the extent of their complexation or chelation by natural organic ligands. 2 Further our basic understanding of the role of chemical speciation with respect to both trace metal toxicity and bio-limitation of phytoplankton within coastal and estuarine environments for a suite of bioactive trace metals--Mn, Fe, Ni, Cu, Zn, Cd and Pb. This includes the influence of organic complexation on the reactivity of these trace metals, as well as gaining insight into the production and fate of the metal chelating organic ligands. This research has been particularly complementary to that of Bill Sunda, another Harbor Processes PI, by providing the field data needed to evaluate the applicability of his laboratory studies examining the effects of these trace metals.

Subject Categories:

  • Biology
  • Inorganic Chemistry
  • Hydrology, Limnology and Potamology

Distribution Statement:

APPROVED FOR PUBLIC RELEASE