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  • Data (4)
  • News (60)
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  • Events (5)
  • Tools (6)
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  • Campaigns (4)
  • Documents (23180)
  • Tools - Catalogues

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    CS2EO

    CS2EO is a data catalogue that allows users to easily and quickly combine and download airborne and spaceborne altimetry data from CryoSat-2, ICESat-2, CryoVEx, IceBridge and CryoTEMPO-EOLIS.

  • News - Data Release news

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    FDR4ALT - ESA unveils new cutting-edge ERS/Envisat Altimeter and Microwave Radiometer Datasets

    The European Space Agency (ESA) has developed a comprehensive suite of innovative Earth system data records as part of the Fundamental Data Records for Altimetry project - FDR4ALT.

  • Data - EO Sign In Authentication (Open)

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    Land Ice Thematic Data Product [ALT_TDP_LI]

    This is the Land Ice Thematic Data Product (TDP) V1 resulting from the ESA FDR4ALT project and containing estimates of ice sheet surface elevation and associated uncertainties. The collection covers data for three different missions: ERS-1, ERS-2 and Envisat, and based on Level 1 data coming from previous reprocessing (ERS REAPER and the Envisat V3.0) but taking into account the improvements made at Level 0/Level 1 in the frame of FDR4ALT (ALT FDR). The Land Ice TDP focuses specifically on the ice sheets of Greenland and Antarctica, providing these data in different files. For many aspects, the Land Ice Level 2 and Level 2+ processing is very innovative: Improved relocation approach correcting for topographic effects within the beam footprint to identify the Point of Closest Approach Homogeneous timeseries of surface elevation measurements at regular along-track reference nodes. The FDR4ALT products are available in NetCDF format. Free standard tools for reading NetCDF data can be used. Information for expert altimetry users is also available in a dedicated NetCDF group within the products. Please consult the FDR4ALT Product User Guide before using the data. The FDR4ALT datasets represent the new reference data for the ERS/Envisat altimetry missions, superseding any previous mission data. Users are strongly encouraged to make use of these datasets for optimal results.

  • Data - EO Sign In Authentication (Open)

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    Inland Waters Thematic Data Product [ALT_TDP_IW]

    This is the Inland Waters Thematic Data Product (TDP) V1 resulting from the ESA FDR4ALT project and containing improved Water Surface Height (WSH) data record from the ERS-1, ERS-2 and Envisat missions estimated using the ICE1 retracking range for its better performance on the hydro targets. The FDR4ALT products are available in NetCDF format. Free standard tools for reading NetCDF data can be used. Information for expert altimetry users is also available in a dedicated NetCDF group within the products. Please consult the FDR4ALT Product User Guide before using the data. The FDR4ALT datasets represent the new reference data for the ERS/Envisat altimetry missions, superseding any previous mission data. Users are strongly encouraged to make use of these datasets for optimal results.

  • Data - Sample Data (Open)

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    CryoSat Data Samples

    Download CryoSat data samples from Baseline-B, C, and D products.

  • News - Data Release news

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    CryoSat swath data boosted with new glacier regions and gridded products

    Additional products have been added to CryoTEMPO-EOLIS Baseline 2, increasing global coverage and adding to the range of available gridded data.

  • News - Maintenance News

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    CryoSat CalVal server downtime on 27 February 2024

    Due to routine maintenance activities on 27 February 2024, between 08:00-10:00 UTC, the distribution of CryoSat L0 products and AUX files may be impacted.

  • News - Operational News

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    Announcement for CryoSat Quaternions Product users

    CryoSat users who use the Quaternions Products should be aware that the method to access these products is changing.

  • News - Operational News

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    Delay in the availability of CryoSat Products

    A technical issue occurred at the CryoSat Payload Data Ground Segment (PDGS).

  • Document - Newsletter

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    Earth Online Newsletter - 12 January 2024

    This issue of the Earth Online Newsletter covers a selection of the latest news and events from ESA.

  • News - Success Stories

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    CryoSat land ice data track destabilisation of Antarctic glacier

    Even apparently stable glaciers in Antarctica are at risk of losing large quantities of ice due to warming seas. The warning comes after satellite data showed the Cadman glacier – previously stable for 50 years - retreated by 8 km between November 2018 and May 2021.

  • News - Data Release news

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    Global glacier mass change data now available from CryoSat

    Measuring glacier mass changes from space is more accurate and comprehensive thanks to the CryoTEMPO-EOLIS CryoSat swath data products, which now cover glaciers worldwide.

  • News - Data Release news

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    CryoSat Ice Baseline-E Reprocessed Data - Update

    Previously, quality checks of the Ice Baseline-E reprocessing products observed a discrepancy in the metadata of products with incremented version numbers (E002, E003).

  • News - Success Stories

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    New CryoSat data to boost understanding of the oceans

    A new CryoSat sea level anomaly product designed to enable ocean science and the development of operational marine applications has been released.

  • News - Data Release news

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    CryoSat Ice Baseline-E Reprocessed Data - Update

    Quality checks of the Ice Baseline-E reprocessing products have observed a discrepancy in the metadata of products with incremented version numbers.

  • News - Success Stories

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    ESA missions help to reveal worldwide lake water loss trend

    Climate change, human consumption and sedimentation are depleting more than half of the world’s biggest lakes of water, according to a ground-breaking analysis that drew on three decades of satellite data.

  • News - Data Release news

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    New CryoSat Ice Baseline-E Reprocessed Data – Available now!

    The CryoSat Ice Baseline-E Reprocessing campaign is now complete.

  • News - Operational News

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    New CryoSat Geographical Mode Mask v5.0 now in operation

    On 01 May 2023 a new acquisition mask, Geographical Mode Mask v5.0, was put in operation to tackle new scientific challenges and to support the future Copernicus Polar Ice and Snow Topography Altimeter (CRISTAL) mission. The previous mask v4.0 had been in operation since 2019.

  • News - Success Stories

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    ESA missions deliver new long-term perspective on sea ice decline

    A 29-year timeseries of polar sea ice thickness and volume that draws on altimetry data from a succession of ESA missions has been presented at the European Geoscience Union general assembly.

  • News - General News

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    CryoSat’s unparalleled record of global ice continues to 2025

    CryoSat, ESA’s ice mission, has been a key to what the cryosphere community regards as a golden era for satellite altimetry.