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By Dr. Robert, F. Shepanek, Donald E. Strebel and Jeffrey B. Frithsen


The Environmental Monitoring and Assessment Program (EMAP) is an interagency effort coordinated by the U.S. Environmental Protection Agency and designed to collect information to assess the condition of the nation's ecological resources. The Information Management System for EMAP was developed to capture, preserve, and provide to users data and information collected and prepared by the program. The report describes the data catalog component of the EMAP Information Management System. Together with the data directory and dictionary, the catalog is one of three components that provides information about data (metadata) to users. The catalog contains the detailed, scientific documentation about data that enables assessment scientists and managers to understand the conditions, assumptions, and methods under which data were collected and compiled. Presented in this report is a summary of the metadata components for the EMAP Information Management System, design requirements for the catalog, and a description of the catalog structure that was developed in response to those requirements. Requirements for the catalog were determined by EMAP assessment scientists and other users through multiple joint application design sessions and feedback provided through EMAP task group information managers. These requirements were refined based upon the overall vision for the EMAP Information Management provided by the Strategic Plan (Shepanek 1994) and revie

Year: 1995
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