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Another term associated with its physical unit (W/m²) is global solar irradiance. The data are generated from instantaneous outputs inferred by GL1.2 model and visible channel images from GOES satellites (GOES-10, GOES-12, GOES-13, GOES-16, GOES-19). For each day, the instantaneous images are integrated using the trapezoidal rule, and the final value is divided by 24 hours to represent the daily mean irradiance (W/m²). Each daily data file is an image covering South America and the surrounding oceans. Each pixel in the image indicates the daily mean solar radiation. References: [G-STAR/INPE - Grupo de Radiação Solar, Terrestre e Atmosférica](https://satelite.cptec.inpe.br/gstar/GSTAR_principal.html); [GL1.2 Model](https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2003JD003531).", "bdc:type": "cube", "cube:dimensions": { "x": { "extent": [ -100, -28.04 ], "reference_system": null, "type": "spatial", "axis": "x" }, "y": { "extent": [ -50, 21.96 ], "reference_system": null, "type": "spatial", "axis": "y" }, "bands": { "values": ["dswrf_daily_mean"], "type": "bands" }, "temporal": { "extent": [ "2013-07-30T00:00:00.000000Z", "2026-08-06T23:59:59.000000Z" ], "type": "temporal" } }, "type": "Collection", "title": "GL1.2 Model - Downward Surface Solar Radiation (Daily Mean) 2025-12", "version": "1", "license": "Creative Commons Attribution 4.0 International", "assets": { "metadata_ogc_17_069r3": { "roles": ["metadata"], "href": "https://fedeo.ceos.org/collections/GOES-GL-DSWRF-Daily-1", "title": "OGC 17-069r3 metadata", "type": 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