Database/Sample ArchivesA fundamental role of CZEN is to provide a centralized repository that serves to organize data and samples that are deemed as basic characterization for all Critcal Zone Observatory (CZO) and satellite sites. These will be organized in a web-based geoinformatics system that is open to all. WSSC will define criteria for proposals to use the archived samples. The organizing principles of a CZEN data and sample archive will be based on: uniform accessibility to dedicated Critical Zone scientists; accountability, continuity, reliability; and timeliness; and standard formats (including supporting information, e.g., on sampling or analytical protocols, QA, etc.). A database for existing field sites will be constructed to include site location, a basic site description, a description of the study type, and contact information with links to relevant publications or PI websites. CZEN will use a database manager to develop archive formats, data submission protocols, and to maintain the database, and a physical facility for sample archive (perhaps USGS on contract basis). Links are being established between CZEN websites from other websites, including a mechanism for data retrieval from other institutions and government agency sites (esp. USGS). Data archives for CZOs will include basic site characterization data (CZEN-facilitated sample collection and analysis), advanced site characterization or process data (CZEN-facilitated), meteorological and hydrologic data, historical data (land use, areal photos, etc.), PI-submitted data (submission required within 2 years), and links to publications and/or PI websites. Data obtained from satellite sites will include a basic site characterization, an option for PI-submitted data, and links to publications (or PI websites). Table 1. CZEN Sample
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