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The NASA Global Change Master Directory (GCMD) staff is pleased to announce the release of the GCMD Keywords Version 10.2. This release consists of all new keywords. Within the release are 2 Instruments, 1 Platform, and 1 Project. Please post any questions about this release to the GCMD Keyword Forum.

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 or directed to Valerie Dixon at

GCMD Keywords Version 10.2

ProjectVIRGAS > Volcano-plume Investigation Readiness and Gas-phase and Aerosol Sulfur
InstrumentARIM200 > Digital Air Data Probe
InstrumentCLAP > Continuous Light Absorption Photometer
PlatformNOAA Twin Otter > NOAA De Havilland DHC-6-300 Twin Otter


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