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Emission Database for Global Atmospheric Research (EDGAR).
Peer reviewed Peer reviewed
Olivier, J. G. J.; And Others – Environmental Monitoring and Assessment, 1994
Presents the objective and methodology chosen for the construction of a global emissions source database called EDGAR and the structural design of the database system. The database estimates on a regional and grid basis, 1990 annual emissions of greenhouse gases, and of ozone depleting compounds from all known sources. (LZ)
Descriptors: Air Pollution, Database Design, Databases, Elementary Secondary Education
Sources of Hydrochlorofluorocarbons, Hydrofluorocarbons, and Fluorocarbons and Their Potential Emissions during the Next Twenty Five Years.
Peer reviewed Peer reviewed
McCulloch, Archie – Environmental Monitoring and Assessment, 1994
Examines the potential for the replacement of CFCs for historic uses with substituting technologies. The potential production and emissions of the principal HCFCs and HFCs are calculated for the next 25 years. (LZ)
Descriptors: Air Pollution, Database Design, Databases, Elementary Secondary Education
Methodology Report for the National Postsecondary Student Aid Study, 1987. Contractor Report.
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Westat, Inc., Rockville, MD. – 1990
To establish a comprehensive national database on postsecondary student financial aid, the National Center for Education Statistics conducted the 1987 National Postsecondary Student Aid Study (NPSAS). Objectives were to: (1) determine the costs of postsecondary education for aided and non-aided students; (2) evaluate how students finance their…
Descriptors: College Students, Data Analysis, Data Collection, Database Design