The U.S. Global Change Research Program An Assessment of the FY 1991 Plans (1990) / Chapter Skim
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Global Change Research Program (USGCRP) is a sound approach to reducing the scientific uncertainties regarding global change issues.
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Other elements of program balance considered by the panel included the balances between extra-mural and agency-based research; between "big" and "little" science; between established and emerging programs; and among observations, process studies, and modeling elements of the program; and among the seven science priorities identified in the plans for the USGCRP. We also examined the processes for coordination and review of the program, the involvement of the scientific community in program planning and review, mechanisms for scientific assessment and the delivery of policy advice, interactions among participating agencies, the need for international collaboration, the availability of human resources needed to meet program goals, and the status of "contributing" programs.
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. A key example of where interagency collaboration is required is the development of an overall observational strategy, including space-based and in situ measurements, to monitor global change and collect data pertinent to process studies and modeling activities.
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The complete set of measurements to be made from EOS spacecraft will depend on success in the development of the selected instruments and on other factors. EOS will not, however, provide all the space-based measurements required for understanding global change.
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While simultaneous measurement by individual pairs of instruments may be indicated for other scientific objectives, neither the scientific investigations nor the measurements themselves appear to demand the breadth of simultaneity essential to the study of the role of clouds in the climate and the biogeochemical dynamics of trace gases. · For the two high priority areas described above, we concluded that the number of instruments that must fly together requires at least one large satellite.
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In the interim, significant opportunities exist for gathering key global change data through a number of U.S. and foreign research and operational satellite missions.
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The EOS Investigators' Science Advisory Panel for EOSDIS has successfully focused the concerns of a broader research community, and the panel should continue to be a longterm advisory element in the planning and implementation of EOSDIS. The panel should include some scientists who are not EOS investigators, but who are active in fields within the range of scientific disciplines involved in global change research, as well as in research on data and information management
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