The release of the Altimetry Sea Ice products in version 2 from CTOH/LEGOS includes Sea Ice Thickness, Snow Depth, Sea Ice Freeboard and associated parameters for Cryosat-2 and Envisat missions over Arctic and soon over Antarctic. It is available on AVISO+.

We are pleased to announce the release of the Altimetry Sea Ice products from CTOH/LEGOS in version 2, funded by the ESA CryoSeaNice and CNES TOSCA projects, as published in the last newsletter. This new version is available on AVISO+.

Those monthly gridded products include the Sea Ice Thickness, Snow Depth, Sea Ice Freeboard and associated parameters for Cryosat-2 and Envisat missions.

Compared to the previous version, the following improvements have been made:

• temporal extension of the time series until 2019,
• calculation with 25 and 50km radius filtering,
• new EASE2 grid instead of Polar Stereographic grid,
• addition of a new product of Snow Depth calculated with KaKu (Cryosat-2/Saral) on the time period 2013-2019,
• SOON AVAILABLE: addition of the Antarctic zone.

You will find the details of the processing in the product page and in the product handbook

Access to the data

• if you are already an Aviso+ user, please select the product ‘Altimetry Sea Ice (restricted licence)’ in the list of products on MY AVISO+
• if you are not an Aviso+ user, please fill the registration form and select the product ‘Altimetry Sea Ice (restricted licence)’