{"ob_id":45773,"uuid":"8d3117a0b8c14337a89714a6b4b3a62e","title":"Copernicus Climate Change Service: Cloud Properties L3 data from the SLSTR series, versions 3.1.1 and 4.0","abstract":"This record comprises 5.5 years (Jan 2017-Jun 2022) of global cloud observations from the Sea and Land Surface Temperature Radiometer (SLSTR) instruments, flown on board the Copernicus Sentinel-3A and B satellites. The data is provided as monthly 0.5 x 0.5 degree, and daily 0.1x0.1 degree, longitude-latitude averages containing fractional cloud coverage (the percentage of each grid cell covered by cloud), cloud-top height, cloud optical depth, effective radius and liquid/ice water paths, along with uncertainties for each parameter.\r\n\r\nThe data comes separately for each SLSTR instrument (v3.1.1 files) and as a combined SLSTR-A and SLSTR-B product (v4.0 files).\r\n\r\nThis dataset is a continuation of the European Space Agency (ESA) Climate Change Initiative version 3.0 cloud product (Cloud_cci), produced from the Along Track Scanning Radiometer (ATSR) instruments, supplied to the Copernicus Climate Change Service (C3S). Full details of the dataset, include data-quality and validation information can be found via the C3S Climate Data Store (CDS).","keywords":"Clouds, ESA, CCI, Copernicus, C3S","publicationState":"citable","dataPublishedTime":"2026-05-20T13:45:45","doiPublishedTime":"2026-06-22T15:14:38.744921","updateFrequency":"notPlanned","status":"completed","result_field":{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/45774/?format=json","dataPath":"/neodc/c3s_cp/data/L3C/slstra-slstrb/c3s/icdr/r02","oldDataPath":[],"storageLocation":"internal","storageStatus":"online","volume":1405140404408,"numberOfFiles":4879,"fileFormat":"The data are in NetCDF 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