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Hi, in the collection metadata 'DataCenter/LongName' is not required (but highly recommended). Please see the full guidance at https://wiki.earthdata.nasa.gov/spaces/CMR/pages/118136878/Data+Center

GCMD Keywords Version 22.9 has been released. Please see the keyword release announcement for details: https://wiki.earthdata.nasa.gov/spaces/ED/pages/489097171/Release+Information+for+EOSDIS+Applications+2026#tab-GCMD+Keywords

This keyword will be available after our next keyword release on 1/16/26.

Thank you for the clarification. I will let you know when the keyword has been added.

Can you provide more information for each one of these keywords?
• Keyword category (i.e. science, platform, instrument, format, etc.)
• Appropriate keyword hierarchy, see GCMD Keyword Viewer hierarchy as a reference
• Keyword short name and long name
• Keyword definition
• Keyword reference

YAML is already a data format keyword. Do you still need it as a mime type too? See
https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/all/de132e9b-fc00-4c79-8a65-57f774d9a673?gtm_keyword=YAML&gtm_scheme=DataFormat

Thank you for your keyword request. We will review it and let you know when it is complete.

@tkande86 The new science keyword has been added; please review:
SPECTRAL/ENGINEERING > SENSOR CHARACTERISTICS > IMPULSE RESPONSE: https://cmr.earthdata.nasa.gov/kms/concept/030b4439-8a69-408a-b365-ccdf148d0854?format=rdf&version=draft

Thank you for your keyword request. We will review it and let you know when it is complete.

GCMD Keywords Version 22.8 has been released. Please see the keyword release announcement for details: https://wiki.earthdata.nasa.gov/display/ED/Release+Information+for+EOSDIS+Applications+2025#tab-GCMD+Keywords