Introduction

Once again, the most recent fiscal year was a productive one for the Carbon Dioxide Information Analysis Center (CDIAC) at Oak Ridge National Laboratory (ORNL), as well as a year for change. The FY 1998 in Review section in this report summarizes quite a few new and updated data and information products, and the "What's Coming in FY 1999" section describes our plans for this new fiscal year.

During FY 1998, CDIAC began a data-management system for AmeriFlux, a long-term study of carbon fluxes between the terrestrial biosphere of the Western Hemisphere and the atmosphere. The specific objectives of AmeriFlux are to establish an infrastructure for guiding, collecting, synthesizing, and disseminating long-term measurements of CO2, water, and energy exchange from a variety of ecosystems; collect critical new information to help define the current global CO2 budget; enable improved predictions of future concentrations of atmospheric CO2; and enhance understanding of carbon fluxes, Net Ecosystem Production (NEP), and carbon sequestration in the terrestrial biosphere. The data-management system, available from CDIAC's AmeriFlux home page (http://cdiac.esd.ornl.gov/programs/ameriflux/) is intended to provide consistent, quality-assured, and documented data across all AmeriFlux sites in the United States, Canada, Costa Rica, and Brazil. It is being developed by Antoinette Brenkert and Tom Boden, with assistance from Susan Holladay (who joined CDIAC specifically to support the AmeriFlux data-management effort).

Meanwhile, Tom Boden's work in the NARSTO Quality Systems Science Center will be taken over by Sig Christensen (who has a long history in the ORNL Environmental Sciences Division, analyzing environmental data, but is new to CDIAC) and Linda Allison.

We welcome Susan Holladay and Sig Christensen to CDIAC!

During FY 1998, CDIAC also developed a "YOTO Drifters" web site (http://drifters.doe.gov) for U.S. Department of Energy's (DOE's) contribution to a multiagency project to deploy ocean drifters as part of the International Year of the Ocean (YOTO). The hope is to engage the education community in study of the oceans by making real-time data on ocean currents and temperatures readily available, along with related educational resource materials. Forrest Hoffman is the webmaster for this site.

I would like to acknowledge the guidance and support of Bobbi Parra, CDIAC's Program Manager in the DOE's Office of Biological and Environmental Research, and all the DOE global-change program managers (Pat Crowley, Roger Dahlman, Jerry Elwood, Wanda Ferrell, John Houghton, Peter Lunn, Anna Palmisano, Rick Petty, and Mike Riches).

Robert M. Cushman


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