{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "ANDREY SAVTCHENKO", "hasEmail": "mailto:Andrey.Savtchenko@nasa.gov"}, "description": "This is the narrow-swath MODIS/Aqua subset along CloudSat field of view track.  The goal of the narrow-swath subset is to select and return MODIS data that are  within +-5 km across the CloudSat track.   I.e. the resultant MODIS subset swath is about 10 km cross-track.   Thus, MAC021S0 cross-track width is 11 pixels for radiances.  Geolocations in the original product, however, are subsampled at 5-km, and thus the cross-track width of the subset geolocations is 3 pixels.  Along-track, all MODIS pixels from the original product are preserved. \n      \nIn the standard product, the MODIS Level 1B data set contains calibrated and geolocated at-aperture radiances for 36 discrete bands located in the 0.4 to 14.4  micron region of electromagentic spectrum. These data are generated from the MODIS Level 1A scans of raw radiance and in the process converted to geophysical units of W/(m^2 um sr). In addition, the Earth Bi-directional Reflectance Distribution Function (BRDF) may be determined for the solar reflective bands (1-19, 26) through knowledge  of the solar irradiance (e.g., determined from MODIS solar diffuser  data, and from the target illumination geometry). Additional data are provided including quality flags, error estimates and calibration data.\n      \nVisible, shortwave infrared, and near infrared measurements are only made during the daytime, while radiances for the thermal infrared region (bands  20-25, 27-36) are measured continuously.\n      \n(The shortname for this product is MAC021S0).", "distribution": [{"@type": "dcat:Distribution", "description": "Access the data via HTTPS", "downloadURL": "https://atrain.gesdisc.eosdis.nasa.gov/data/MAC/MAC021S0.002/", "format": "HTML", "mediaType": "text/html", "title": "Download this dataset through a directory map"}, {"@type": "dcat:Distribution", "description": "Access the dataset landing page from the GES DISC website.", "downloadURL": "https://disc.gsfc.nasa.gov/datacollection/MAC021S0_002.html", "format": "HTML", "mediaType": "text/html", "title": "This dataset's landing page"}, {"@type": "dcat:Distribution", "description": "CloudSat Data Processing Center", "downloadURL": "http://www.cloudsat.cira.colostate.edu/", "format": "HTML", "mediaType": "text/html", "title": "View information related to this dataset"}, {"@type": "dcat:Distribution", "description": "MODIS Project Home Page", "downloadURL": "https://modis.gsfc.nasa.gov/", "format": "HTML", "mediaType": "text/html", "title": "View information related to this dataset"}, {"@type": "dcat:Distribution", "downloadURL": "https://docserver.gesdisc.eosdis.nasa.gov/public/project/Images/MAC021S0_002.png", "format": "PNG", "mediaType": "image/png", "title": "Get a related visualization"}], "identifier": "C1236350891-GES_DISC", "issued": "2006-06-02", "keyword": ["earth-science", "infrared-wavelengths", "national-geospatial-data-asset", "ngda", "spectral-engineering", "visible-wavelengths"], "landingPage": "https://cmr.earthdata.nasa.gov:443/search/concepts/C1236350891-GES_DISC.html", "language": ["en-US"], "modified": "2025-07-17", "programCode": ["026:001"], "publisher": {"@type": "org:Organization", "name": "NASA/GSFC/SED/ESD/GCDC/GESDISC"}, "spatial": "-180.0 -90.0 180.0 90.0", "temporal": "2006-06-02T00:00:00Z/2018-03-01T23:59:59.999Z", "theme": ["ATDD", "geospatial"], "title": "MODIS/Aqua Calibrated Radiances 1km 5-Min 1B Narrow Swath Subset along CloudSat V002 (MAC021S0) at GES DISC"}