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The NASA Global Change Master Directory (GCMD) staff is pleased to announce the release of the GCMD keywords version 9.0. Version 9.0 consists of two new keyword schemes: (1) Measurement Name and (2) Granule Data Format. 

The Measurement Name list is a preliminary set of (~100) keywords that represent an observable property, usually geophysical, geo-biophysical, physical, or chemical. The Granule Data Format list of keywords represent the format of the data that is distributed by the data center. 

The keywords help facilitate the classification and discovery of Earth Science data by providing a rich vocabulary for characterizing the data. The GCMD keywords are used by hundreds of data providers worldwide for categorizing the ~33,000 records stored in the Common Metadata Repository.

For more information about the keywords and how to access them, please visit the Keyword Landing Page. Questions about the keywords can be submitted to support@earthdata.nasa.gov or directed to Valerie Dixon at valerie.dixon@nasa.gov

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