Earthdata Forum

Posted: **Thu Sep 10, 2026 3:58 pm America/New_York**

The short name is "MERRA‑21C".
The full project name is "Modern‑Era Retrospective analysis for Research and Applications – early 21st Century".
After creating this GCMD keyword, please add the project to the Earthdata Forum in the category of "project". Thanks.

Posted: **Fri Sep 11, 2026 8:49 am America/New_York**

Thank you for your keyword request. Please confirm that you want the following new project keyword:
short name > long name
MERRA 21C > Modern Era Retrospective analysis for Research and Applications – early 21st Century

Posted: **Fri Sep 11, 2026 4:40 pm America/New_York**

Thanks for checking with me. Here you are:

MERRA-21C > Modern-Era Retrospective analysis for Research and Applications – early 21st Century

Earthdata Forum

Request to create a new GCMD keyword for the project "MERRA‑21C"

Request to create a new GCMD keyword for the project "MERRA‑21C"

Re: Request to create a new GCMD keyword for the project "MERRA‑21C"

Re: Request to create a new GCMD keyword for the project "MERRA‑21C"