AVISO is pleased to announce the release of experimental multi-mission Level-4 maps using SWOT L3 products.

As previously mentioned, several gridding techniques developed in collaboration with several research groups (variational, dynamical mapping, AI-based, etc.). As always, your feedback (good or bad) is most welcome to help guide future releases. If you would like your research algorithm to be included, please feel free to contact AVISO's helpdesk at aviso@altimetry.fr.

If you already have an AVISO account, data access is available through the following services:

CNES AVISO FTP/SFTP (with AVISO+ credentials)

• FTP access: ftp://ftp-access.aviso.altimetry.fr:21
• SFTP access: sftp://ftp-access.aviso.altimetry.fr:22
  • /swot_products/l4_karin_nadir/

CNES AVISO THREDDS Data Server, TDS (with AVISO+ credentials)

• TDS access: https://tds.aviso.altimetry.fr
  • https://tds.aviso.altimetry.fr/thredds/EXPERIMENTAL-PRODUCT/dataset-duacs-experimental-dt-phy-grids-nadirs-and-wide-swath.html

For more information, see the AVISO Experimental multimission gridded L4 with SWOT product page is available here and the user manual is available here. For everything else related to SWOT see AVISO’s one-stop web page is located here. If you do not have a MY AVISO+ account, please fill out the  registration page on the AVISO+ website.