{ "extent": { "spatial": {"bbox": [[ -180, -90, 180, 90 ]]}, "temporal": {"interval": [[ "1997-03-01T00:00:00.000Z", "1997-03-31T23:59:59.999Z" ]]} }, "stac_version": "1.0.0", "sci:doi": "10.5270/ERS-suu0xfp", "keywords": [ "DIF10", "EARTH SCIENCE>AGRICULTURE>FOREST SCIENCE>FOREST FIRE SCIENCE", "EARTH SCIENCE>ATMOSPHERE", "EARTH SCIENCE>ATMOSPHERE>ATMOSPHERIC TEMPERATURE", "EARTH SCIENCE>OCEANS", "ERS-1", "ERS-2", "ATSR", "ATSR-2", "Orthoimagery", "Forest Fires", "Atmosphere", "Atmospheric Temperature", "Oceans", "VIS (0.40 - 0.75) µm", "NIR (0.75 - 1.30) µm", "SWIR (1.3 - 3.0) µm", "MWIR (3.0 - 6.0) µm", "TIR (6.0 - 15.0) µnm", "Sun-synchronous", "Low Resolution - LR (500 - 1200) m", "800 km", "500 km", "Imaging Spectrometers/Radiometers", "ATSR-1" ], "created": "2024-04-10T00:00:00.00Z", "description": "The ERS-1/2 ATSR Level 1B Brightness Temperature/Radiance products (RBT) contain top of atmosphere (TOA) brightness temperature (BT) values for the infra-red channels and radiance values for the visible channels, when available, on a 1-km pixel grid. The visible channels are only available for the ATSR-2 instrument.\rValues for each channel and for the nadir and oblique views occupy separate NetCDF files within the Sentinel-SAFE format, along with associated uncertainty estimates. Additional files contain cloud flags, land and water masks, and confidence flags for each image pixel, as well as instrument and ancillary meteorological information.\rThe ATSR-1 and ATSR-2 products [ER1_AT_1_RBT and ER2_AT_1_RBT], in NetCDF format stemming from the 4th ATSR reprocessing, are precursors of Envisat AATSR and Sentinel-3 SLSTR data. They have replaced the former L1B products [AT1_TOA_1P and AT2_TOA_1P] in Envisat format from the 3rd reprocessing. \rUsers with Envisat-format products are recommended to move to the new Sentinel-SAFE like/NetCDF format products, and consult the ERS _$$ATSR Product Notice Readme document$$ https://earth.esa.int/eogateway/documents/20142/37627/ATSR-Level-1B-ERn-AT-1-RBT-Product-Notices-Readme.pdf \rThe processing updates that have been put in place and the expected scientific improvements for the ERS ATSR 4th reprocessing data have been outlined in full in the _$$User Documentation for (A)ATSR 4th Reprocessing Products$$ https://earth.esa.int/documents/20142/37627/QA4EO-VEG-OQC-MEM-4538_User_Documentation_for__A_ATSR_4th_Reprocessing_Level_1.pdf .", "sci:citation": "European Space Agency, 2024, ERS ATSR L1B Brightness Temperature/Radiance [ER1_AT_1_RBT / ER2_AT_1_RBT], Version 4.0.", "type": "Collection", "title": "ERS ATSR L1B Brightness Temperature/Radiance [ER1_AT_1_RBT / 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