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Introduction
NASA data and models are used to observe, characterize and understand Earth systems all around the world. Complete metadata are needed in order for users to discover, access, use and understand these data and models. The metadata must be available in standard forms that users and tools all over the world can understand. ESDIS is addressing this challenge by adopting International Metadata Standards developed by ISO Technical Committee 211. These standards cover metadata for data sets and services and include acquisition information, provenance, data quality, and other elements required for interoperable use and detailed understanding.
The ISO metadata standards are comprehensive and designed to be broadly applicable, so there is significant room for community-specific interpretations, applications, decisions, and, if need be, extensions. This wiki provides a place for the ESDIS community to share ISO metadata information, experiences and examples and to come to consensus on how we will best use the ISO Standards to address our documentation needs.
Check out the webinar about implementing ISO 19115 standards into NASA Earth science data that was held on February 19, 2015.
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Explore the following links to get started learning about the NASA Best Practices for ISO: |
Core Elements of NASA Best Practices for ISO 19115
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The complexity and heterogeneity of Earth observations has increased and, as such, NASA made the strategic decision to become ISO 19115 compliant. This has the advantage of providing an internationally recognized metadata standard for NASA observations. Conformance with the standard requires careful documentation and a shared vocabulary. The result is increased capacity for data discovery, archiving, exploitation and, ultimately, interoperability. The use of ISO 19115 can increase the transparency associated with compliant science products. By carefully documenting methodologies, relationships to science themes and potential uncertainties, NASA has dedicated itself to ensuring the utility of its observations and their integration into the long-term science record. The goal of this area is to enable ISO 19115 conformance at NASA by providing informational resources on ISO metadata and its evolution at NASA. The site will provide a framework for the transparent exchange of ideas and collaboration between stakeholders in the NASA community. |
Figure 1: Core Elements of the NASA Best Practices for ISO 19115.
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Overview
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