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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 a change to the UMM Variables Model (UMM-Var) field called 'MeasurementName'. You are invited to review this change in the context of your experience with Earth science metadata, Global Change Master Directory (GCMD) Keywords, Unified Metadata Model (UMM), and UMM-Var.

You only need to answer questions applicable to you.  

All review comments are due by September 3, 2019 at 11:00 p.m.

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.  Offline reviews, where you download the document and review questions, then respond via email, are also accepted. Quick instructions for each are below.

Preferred Method: Use Jama
  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.
Alternate Method: Respond via email
  1. Download the recommendations document:
  2. Read the document and provide answers to as many of the review questions as you can (the questions are at the end of the document) and/or provide comments about specific parts of the document.

  3. Send your feedback to the ESO at

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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