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NASA's Earth Science Data and Information Systems (ESDIS) Standards Office (ESO) conducts reviews of proposed standards, practices, controlled keywords, and technical information relevant to the ESDIS mission. Documents and controlled keywords are reviewed as part of the ESDIS Project's standards process. Approved documents are published and listed on the Standards Requirements and References page.

ESO is conducting a review of changes and enhancements to the Data Format field of the Unified Metadata Model - Collections (UMM-C) metadata model. These changes are meant to allow the data format values to be normalized and controlled so users can choose data formats from a pick-list. The proposed list of data format keywords include data formats used in CMR collection records, data formats compiled from DAAC recommendations, and data formats from IDN providers who contribute collection metadata to the CMR.

You are invited to review these changes in the context of your experience with Earth science metadata, UMM-C and the supporting tools and services.  

The review period is from   through  

Quick Start for Reviewers

ESDIS uses the Jama online document review system to collect community comments on proposed standards, practices and technical information submitted to ESO for review.

Review Instructions
  1. Request Jama access to these documents by contacting the ESO at Please include your Earthdata login username if you have one.

  2. Read the recommendations document and provide comments via Jama here:
  3. For more details on using Jama, see the information at the bottom of this page.

Related Document Links

Detailed instructions for Jama reviewers:

The benefit of using the Jama system is that you can easily comment on specific portions of the document and can see comments provided by others.

Review comments may be submitted via the Earthdata Jama document review system. If you already have access to the NASA Earthdata Jama system, please contact ESO at and let us know your Earthdata Login username so we can add to you the list of reviewers.

Once you are registered to provide a review, you will receive email from the ESO Team with links to the documents under review. When you get the email, please follow the instructions to gain access to the documents and to begin the review.

In order to log in to the Jama system (i.e. to follow any of the Jama review links) you must have an Earthdata Login account with access to Jama. Use your Earthdata Login username and password to log in to Jama.  Earthdata Login username and password recovery can be done at

If you do not already have a Jama account but wish to use the Jama system, you can request one at the Earthdata Service Desk.

Jama Resources

NOTE: Information on this page is subject to change.

Thank you!

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