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This new version supersedes the current version 1.0, whose production will end in early October 2021which provides monthly data through April 2021 and will no longer be updated.
The new version includes the following improvements or changes:
- Extension of the CDR period from March 2015 to April 2020.
- Newly reprocessed input data from Envisat and CryoSat-2.
- Improvedsnow climatology.
- Improved computation of the gridded sea-ice thickness uncertainty.
- Minor changes to variable attributes and flag values.
- Use of the ERA5 Reanalysis as auxiliary data for atmospheric correction in the CDR
- Improved temperature-based correction scheme for sea ice classification in warm conditions
- Level-4 product (instead of Level-3 for version 1.0)
- Start of the Climate Data Record (CDR) in October 1978 (instead of January 1979 for version 1.0)
Additional information about the dataset and the changes implemented in version 2.0 can be found in the dataset documentation.
Users retrieving the data using the CDS API or from within the CDS Toolbox should be aware that they need to add a new 'version' attribute to their Python request as shown in the example below. See also the example code snippets at the bottom of the download data tab of the dataset.
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| language | py |
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| title | CDS API request |
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