To request adding, modifying, or deprecating a keyword, the submitter should:
- Review the controlled keyword requirements/guidelines
Confirm the proposed keyword meets all requirements
Verify that the keyword does NOT already exist
Include a definition of the proposed keyword
Once the above is complete, send the request to support@earthdata.nasa.gov
The Keyword Management System (KMS) provides access to the keywords and associated definitions via:
GCMD Keyword Directory: http://gcmdservices.gsfc.nasa.gov/static/kms/
Dynamic RESTful Service http://gcmdservices.gsfc.nasa.gov/kms/capabilities
A citation should be referenced when using the GCMD controlled keywords in scientific literature, websites, software tools, etc. Please cite the keyword as:
Global Change Master Directory (GCMD). 2015. GCMD Keywords, Version 8.1. Greenbelt, MD: Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA). URL:http://gcmd.nasa.gov/learn/keywords.html