Search found 48 matches

by GES DISC - xpan2
Mon Sep 28, 2026 9:52 am America/New_York
Forum: Home
Question: Request to create a new GCMD keyword for the project "MERRA‑21C"
Replies: 11

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

Great! Thanks. Please inform me when "MERRA-21C" become one of projects and platforms in GCMD.
by GES DISC - xpan2
Fri Sep 25, 2026 2:13 pm America/New_York
Forum: Home
Question: Request to create a new GCMD keyword for the project "MERRA‑21C"
Replies: 11

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

Thanks for the example! For MERRA-21C: Definition: The Modern-Era Retrospective analysis for Research and Applications (MERRA) - the early 21st century (21C) is NASA’s global atmospheric reanalysis beginning in 1998, building on MERRA-2 with approximately 25-km horizontal resolution, hybrid four-dim...
by GES DISC - xpan2
Thu Sep 24, 2026 12:11 pm America/New_York
Forum: Home
Question: Request to create a new GCMD keyword for the project "MERRA‑21C"
Replies: 11

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

To give you exact what you need, can you let us know what "definition" and "reference" mean in this context? Do you have an example?
by GES DISC - xpan2
Mon Sep 14, 2026 3:00 pm America/New_York
Forum: Home
Question: Request to create a new GCMD keyword for the project "MERRA‑21C"
Replies: 11

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

Sure, I will provide the definition.

Just want to add a request: please also add MERRA-21C to the keyword: "Platform"

Other > Models > MERRA-21C > Modern-Era Retrospective analysis for Research and Applications – early 21st Century.
by GES DISC - xpan2
Fri Sep 11, 2026 4:40 pm America/New_York
Forum: Home
Question: Request to create a new GCMD keyword for the project "MERRA‑21C"
Replies: 11

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

Thanks for checking with me. Here you are:

MERRA-21C > Modern-Era Retrospective analysis for Research and Applications – early 21st Century
by GES DISC - xpan2
Thu Sep 10, 2026 3:58 pm America/New_York
Forum: Home
Question: Request to create a new GCMD keyword for the project "MERRA‑21C"
Replies: 11

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

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.
by GES DISC - xpan2
Wed Mar 25, 2026 8:25 pm America/New_York
Forum: Home
Question: Merra2 Data Downloading
Replies: 7

Re: Merra2 Data Downloading

Please see the highlighted part in screenshot. You have to make all selections and then click on "Download Option" to download "Python Script".
Screenshot 2026-03-25 at 8.19.01 PM.png
by GES DISC - xpan2
Tue Mar 24, 2026 5:14 pm America/New_York
Forum: Home
Question: Merra2 Data Downloading
Replies: 7

Re: Merra2 Data Downloading

GES DISC has introduced a new service to help users download data more efficiently. You may want to check it out to see if it improves your download speed. It also offers an option to generate Python code for downloading data. First, go to the dataset landing page: https://disc.gsfc.nasa.gov/dataset...
by GES DISC - xpan2
Tue Mar 24, 2026 9:42 am America/New_York
Forum: Home
Question: Merra2 Data Downloading
Replies: 7

Re: Merra2 Data Downloading

Thanks for sharing the code. I actually asked the "url: String containing the URL of the file to download". I assume you have downloaded many files. I just need an example of one file to get the idea where you get the data.
by GES DISC - xpan2
Mon Mar 23, 2026 10:46 am America/New_York
Forum: Home
Question: Merra2 Data Downloading
Replies: 7

Re: Merra2 Data Downloading

Thanks for reaching out, and apologies for the inconvenience. Could you please share the wget command you’re using along with the data URL? That will help us identify which data service is causing the issue. Thank you.

NASA GES DISC Help Desk