E-mail Announcements

Subject: Special Session at OS088: Using Trace Elements and Isotopes to Study Open-Ocean Biogeochemistry
Conveners:
Philip Boyd
NIWA
University of Otago
Department of Chemistry
Dunedin, NZL
PO Box 56 (
64)(03) 479-5259
p.boyd@niwa.co.nz

Bill Landing
Florida State University
Department of Oceanography
Florida State University
Tallahassee, FL, USA 32306-4320
850-644-6037
wlanding@mailer.fsu.edu

Chris Measures
University of Hawaii
Department of Oceanography
University of Hawaii
1000 Pope Road
Honolulu, HI, USA 96822
(808) 956-5924
chrism@soest.hawaii.edu

Mark Wells
University of Maine
School of Marine Sciences
Orono, ME, USA 04469-5741
(207) 581-4322
mlwells@maine.edu
Index Terms: 4805 4808 4835 4870 4875 .
Description: A major advance in our understanding of the biogeochemistry of the open ocean in the last decade has been recognition of the pivotal role played by trace elements. For example, mesoscale iron enrichment experiments have demonstrated how iron supply influences the biogeochemical cycles of carbon, sulfur and silicon. International programmes such as SOLAS and CLIVAR have been conducting both process and survey studies into aspects of the biogeochemical cycles of trace elements such as iron and aluminium, and phytoplankton lab and field studies are focusing on the role of, and interactions between, trace metals such as iron, zinc, copper, and cadmium on algal physiology. Such insights into trace element cycles have in turn resulted in the development of better and more comprehensive biogeochemical models. Another significant advance in our understanding of trace metal biogeochemistry has been the increasing availability of data on trace metal stable isotopes which provide the necessary discrimination needed to follow the complex transformation pathways of these elements. In this session we will bring together studies from a wide range of disciplines to assess our current understanding of trace element biogeochemistry.

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