CATDS Level 3 Soil Moisture and Brightness Temperature data are available!

Category : CATDS, L3

As you were all expecting it, the Level 3 SM&TB reprocessed data are now available covering the whole SMOS operation period (from January 2010).

  • Where to find the products?

It is very easy, you just need to go to the catds website to find all the information you need. You will be redirected to the ftp server. The data are on different directories:
- RE01 for reprocessed data from 2010 and 2011,
- OPER for operationnal data from 2012.


An authorization is required to have access to the ftp server. You simply have to send an email to to get a personal access.

  • Where to find information about the products?

You can find a document describing all the products on the « Docs » tab (or directly here).

  • How to read the products?

The Level 3 SM products are in the netcdf format. You can read them using a software like Panoply, or with matlab (see some example of programs on the « Tools » tab, paragraph « Fonction to read CATDS products »).

Monthly averaged products (ascending orbits)
Monthly averaged products (ascending orbits)

If you have any questions/remarks, feel free to send an email to

Comments (1)

[...] These products are available for the whole SMOS operation period (from January 2010 until now). For more information about how to get these products, see this article. [...]

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