{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Earthdata Forum", "hasEmail": "mailto:earthdata-support@nasa.gov"}, "description": "The Global Space-based Stratospheric Aerosol Climatology, or GloSSAC, is a 45-year climatology of stratospheric aerosol properties focused on extinction coefficient measurements by the Stratospheric Aerosol and Gas Experiment (SAGE) series of instruments through mid-2005 and later from mid-2017 and on the Optical Spectrograph and InfraRed Imager System (OSIRIS) and the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) data thereafter. Data from other space instruments and from ground-based, air and balloon borne instruments to fill in key gaps in the data set. The end result is a global and gap-free data set focused on aerosol extinction coefficient at 525 and 1020 nm and other parameters on an \u2018as available\u2019 basis.", "distribution": [{"@type": "dcat:Distribution", "conformsTo": "http://www.isotc211.org/2005/gmi", "description": "The metadata's original source.", "downloadURL": "https://cmr.earthdata.nasa.gov/search/concepts/C3566980303-LARC_ASDC.iso19115", "format": "ISO", "mediaType": "text/xml", "title": "Original Metadata"}, {"@type": "dcat:Distribution", "downloadURL": "https://asdc.larc.nasa.gov/citing-data", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://asdc.larc.nasa.gov/documents/glossac/guide/GloSSAC_Project_Guide_Document_v2.23.pdf", "format": "PDF", "mediaType": "application/pdf"}, {"@type": "dcat:Distribution", "downloadURL": "https://asdc.larc.nasa.gov/documents/glossac/quality_summaries/GloSSAC_Product_Quality_Summary_v2.23.pdf", "format": "PDF", "mediaType": "application/pdf"}, {"@type": "dcat:Distribution", "downloadURL": "https://asdc.larc.nasa.gov/documents/glossac/readme/readme_glossac_v2.23.pdf", "format": "PDF", "mediaType": "application/pdf"}, {"@type": "dcat:Distribution", "downloadURL": "https://doi.org/10.5067/GLOSSAC-L3-V2.23", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://search.earthdata.nasa.gov/search/granules?p=C3566980303-LARC_ASDC", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://www.sparc-ssirc.org/", "format": "BIN", "mediaType": "application/octet-stream"}], "identifier": "10.5067/GLOSSAC-L3-V2.23", "keyword": ["earth-science-aerosols-atmosphere", "earth-science-aerosols-atmosphere-aerosol-backscatter", "earth-science-aerosols-atmosphere-aerosol-extinction", "earth-science-aerosols-atmosphere-aerosol-optical-depth-thickness", "earth-science-aerosols-atmosphere-aerosol-particle-properties", "earth-science-aerosols-atmosphere-dust-ash-smoke", "earth-science-aerosols-atmosphere-particulate-matter", "earth-science-aerosols-atmosphere-sulfate-particles"], "license": "https://www.usa.gov/government-works", "modified": "2026-05-18", "programCode": ["026:000"], "publisher": {"@type": "org:Organization", "name": "NASA/LARC/SD/ASDC"}, "spatial": "[\"CARTESIAN\",[{\"Boundary\":{\"Points\":[{\"Latitude\":-80,\"Longitude\":-180},{\"Latitude\":-80,\"Longitude\":180},{\"Latitude\":80,\"Longitude\":180},{\"Latitude\":80,\"Longitude\":-180},{\"Latitude\":-80,\"Longitude\":-180}]}}]], Minimum Altitude;Maximum Altitude, 5 km;40 km", "temporal": "1979-01-01/2024-12-31", "theme": ["Earth Science"], "title": "Global Space-based Stratospheric Aerosol Climatology Version 2.23"}