{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Kamalika Das", "hasEmail": "mailto:kamalika.das@nasa.gov"}, "description": "**Citation**:\r\n#######################\r\nIf using this dataset please cite the following in your work:\r\n\r\n@misc{VotDasNemSri2010 ,\r\nauthor = \"Petr Votava and Kamalika Das and Rama Nemani and Ashok N. Srivastava\",\r\nyear = \"2010\",\r\ntitle = \"MODIS surface reflectance data repository\",\r\nurl = \"https://c3.ndc.nasa.gov/dashlink/resources/331/\",\r\ninstitution = \"NASA Ames Research Center\" }\r\n\r\nPetr Votava, Kamalika Das, Rama Nemani, Ashok N. Srivastava. (2010). MODIS surface reflectance data repository. NASA Ames Research Center. \r\n\r\n**Data Description:**\r\n####################\r\n\r\nThe California satellite dataset using the MODerate-resolution Imaging Spectroradiometer (MODIS) product MCD43A4 provides reflectance data adjusted using a bidirectional reflectance distribution function (BRDF) to model the values as if they were taken from nadir view.\r\n\r\nBoth Terra and Aqua data are used in the generation of this product, providing the highest probability for \r\nquality input data.\r\n\r\nMore information at: \r\nhttps://lpdaac.usgs.gov/lpdaac/products/modis_products_table/nadir_brdf_adjusted_reflectance/16_day_l3_global_500m/v5/combined\r\n\r\n\r\n**Data Organization:**\r\n####################\r\n\r\nThe nine data folders correspond to three years of data.Under this top level directory structure are separate files for each band (1 - 7) and each 8-day period of the particular year. Within the period the best observations were selected for each location.\r\n\r\n\r\n**File Naming Conventions:**\r\n###########################\r\n\r\nEach of the files represent a 2D dataset with the naming conventions as follows:\r\n\r\nMCD43A4.CA_1KM.005.<YYYYDDD>. <BAND>.flt32\r\n\r\nwhere \r\n   <YYYYDDD> is the beginning year-day of the period that where YYYY = year and DDD = day of year (001 - 366)\r\n\r\n   <BAND> represents the observations in particular (spectral) band (band 1 - band 7) - since the indexing is 0-based,\r\n    the range of indexes on the files is from 0 - 6 (where 0 = band 1, and 6 = band 7)\r\n\r\nThe spectral band frequencies for the MODIS acquisitions are as follows:\r\n   BAND1\t620 - 670 nm\r\n   BAND2\t841 - 876 nm \r\n   BAND3 \t459 - 479 nm\r\n   BAND4 \t545 - 565 nm\r\n   BAND5\t1230 - 1250 nm\r\n   BAND6 \t1628 - 1652 nm\r\n   BAND7 \t2105 - 2155 nm\r\n\r\n\r\n**File Specifications:**\r\n######################\r\nEach file is a single 2D dataset.\r\n\r\nDATA TYPE: 32-bit floating point (IEEE754) with little-Endian byte ordering\r\nNUMBER OF ROWS: 1203\r\nNUMBER OF COLUMNS: 738\r\nFILL VALUES (observations that are either not valid or not on land, such as ocean etc.): -999.0       \r\n\r\n\r\n**Overview:**\r\n###########\r\n\r\nDATASET: MODIS 8-day Surface Reflectance BRDF-adjusted from Terra and Aqua\r\n\r\nCOLLECTION: 5\r\n\r\nDATA TYPE: IEEE754 float (32-bit float)\r\n\r\nBYTE ORDER: LITTLE ENDIAN (Intel)\r\n\r\nDIMS: 1203 rows x 738 columns\r\n\r\nFILL VALUE: -999.0\r\n\r\nSPATIAL RESOLUTION: 1km\r\n\r\nPROJECTION: Lambert Azimuthal Equal Area", "distribution": [{"@type": "dcat:Distribution", "description": "Y2001.tar.gz", "downloadURL": "https://c3.nasa.gov/dashlink/static/media/dataset/Y2001.tar.gz", "format": "TAR", "mediaType": "application/x-tar", "title": "Y2001.tar.gz"}, {"@type": "dcat:Distribution", "description": "Y2002.tar.gz", "downloadURL": "https://c3.nasa.gov/dashlink/static/media/dataset/Y2002.tar.gz", "format": "TAR", "mediaType": "application/x-tar", "title": "Y2002.tar.gz"}, {"@type": "dcat:Distribution", "description": "Y2003.tar.gz", "downloadURL": "https://c3.nasa.gov/dashlink/static/media/dataset/Y2003.tar.gz", "format": "GZ", "mediaType": "application/x-gzip", "title": "Y2003.tar.gz"}, {"@type": "dcat:Distribution", "description": "Y2004.tar.gz", "downloadURL": "https://c3.nasa.gov/dashlink/static/media/dataset/Y2004.tar.gz", "format": "GZ", "mediaType": "application/x-gzip", "title": "Y2004.tar.gz"}, {"@type": "dcat:Distribution", "description": "Y2005.tar.gz", "downloadURL": "https://c3.nasa.gov/dashlink/static/media/dataset/Y2005.tar.gz", "format": "GZ", "mediaType": "application/x-gzip", "title": "Y2005.tar.gz"}, {"@type": "dcat:Distribution", "description": "Y2006.tar.gz", "downloadURL": "https://c3.nasa.gov/dashlink/static/media/dataset/Y2006.tar.gz", "format": "GZ", "mediaType": "application/x-gzip", "title": "Y2006.tar.gz"}, {"@type": "dcat:Distribution", "description": "Y2007.tar.gz", "downloadURL": "https://c3.nasa.gov/dashlink/static/media/dataset/Y2007.tar.gz", "format": "GZ", "mediaType": "application/x-gzip", "title": "Y2007.tar.gz"}, {"@type": "dcat:Distribution", "description": "Y2008.tar.gz", "downloadURL": "https://c3.nasa.gov/dashlink/static/media/dataset/Y2008.tar.gz", "format": "GZ", "mediaType": "application/x-gzip", "title": "Y2008.tar.gz"}, {"@type": "dcat:Distribution", "description": "Y2009.tar.gz", "downloadURL": "https://c3.nasa.gov/dashlink/static/media/dataset/Y2009.tar.gz", "format": "GZ", "mediaType": "application/x-gzip", "title": "Y2009.tar.gz"}], "identifier": "DASHLINK_331", "issued": "2011-03-25", "keyword": ["ames", "dashlink", "nasa"], "landingPage": "https://c3.nasa.gov/dashlink/resources/331/", "modified": "2025-04-01", "programCode": ["026:029"], "publisher": {"@type": "org:Organization", "name": "Dashlink"}, "title": "California Satellite Data"}