Utilization of Operational Environmental Satellite Data Ensuring Readiness for 2010 and Beyond (2004) / Chapter Skim
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Executive Summary
Executive Summary
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Compounding the pressure put on NOAA and NASA by expanding user communities to provide highquality data products around the clock is the precarious state of the underfunded satellite data utilization program, which is struggling to keep up with demand for currently available data and the rapidly increasing sophistication of user requirements. The planned next-generation operational satellite systems, comprising both polar-orbiting and geostationary platforms, are designed to meet the needs of user communities whose complex applications are rapidly evolving.
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Over the course of meetings held to collect information for this report, the committee heard presentations from several key agencies and organizations reflecting a broad range of professional perspectives. From these it distilled four consistent and recurring themes that significantly shaped its final findings and recommendations: · A growing and diverse spectrum of individuals, companies, and agencies routinely utilize and depend on environmental satellite data and information; · Products that best serve the public, together with effective use of public funds, create an ongoing evolution of requirements for data imposed on and by operational users; · Improvements in available flight and ground technologies are being made that meet these new requirements -- as demonstrated by research satellite missions and aircraft flights; and · NOAA is committed to the collection of data with improved quality, reliability, latency, and information content.
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Indeed, evidence presented to the committee strongly suggests that we should look to and prepare for a future in which cable TV, wireless networks, personal digital assistants, direct satellite broadcast, and the Internet enable continuous, uninterrupted access to environmental satellite data, information, and knowledge as an essential element of commerce, recreation, and the conduct of everyday life for the majority of people. Thus it will not be sufficient merely to collect greater amounts of environmental satellite data, although the expected orders-of-magnitude increase in the volume of collected data will in itself pose special challenges.
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Finding: The national and individual user requirements for multiyear climate system data sets from operational environmental satellites, as currently delin eated in the Climate Change Science Program strategic plan,1 are placing special demands on current and future data archiving and utilization systems. These demands include more stringent requirements for accurate cross platform radiometric calibration, new combinations of multiple satellite and instrument data, and algorithms for generating advanced biophysical variables.
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Environmental Satellite Data Program should work to facilitate user access to data from other nations' satellites as well as its
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b. CLASS should be designated and developed as NOAA's primary data archive system for environmental satellite data and other related data sets.
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NOAA should consider both centralized and decentralized approaches to managing the generation and distribution of environmental satellite data products to ensure cost-effective and efficient utilization of existing human and institutional expertise and resources. Centralized handling should be provided for operationally critical core products and should include the acquisition, processing, distribution, archiving, and management of calibrated, navigated radiances and reflectances at the top and bottom (atmospherically corrected)
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b. Further, NOAA's user interfaces should allow stored environmental satellite data sets and/or images to be retrieved in a common data format and with geolocated gridding selected from a list of options by the user.
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These efforts should include outreach, training, and technical assistance for the more sophisticated user communities as well as for the rapidly emerging nonscientific, nongovernmental user groups, with the ultimate goal being to enable straightforward and effortless user access to environmental satellite data and data products. Finding: Early and ongoing cooperation with dialogue among users, developers of satellite remote sensing hardware and software, and U.S.
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10 Utilization of Operational Environmental Satellite Data not as two independent areas of effort. To meet evolving customer require ments, this cooperation between research and operational agencies should be coordinated in close partnership with the user community.
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