collection.json

{
  "type": "Collection",
  "id": "palsar2-scansar",
  "stac_version": "1.0.0",
  "description": "The new PALSAR-2 ScanSAR products have been developed to conform with the CEOS-ARD format specifications for Normalised Radar Backscatter (CARD4L NRB). The NRB products have been subject to ortho-rectification and Radiometric Terrain Correction (RTC), and are provided in the Gamma-0 backscatter convention, which mitigates the variations from diverse observation geometries. The products include HH and HV polarisation backscatter, local incidence angle image and data mask.",
  "links": [
    {
      "rel": "root",
      "href": "./collection.json",
      "type": "application/json",
      "title": "PALSAR-2 ScanSAR NRB L2.2"
    },
    {
      "rel": "documentation",
      "href": "https://www.eorc.jaxa.jp/ALOS/en/dataset/palsar2_l22_e.htm",
      "type": "text/html",
      "title": "ALOS-2 PALSAR-2 ScanSAR Products"
    },
    {
      "rel": "documentation",
      "href": "PALSAR2_CARD4L_L2.2_Geotiff_Format_Description_E_20220715.pdf",
      "type": "application/pdf",
      "title": "PALSAR-2 ScanSAR NRB L2.2 Geotiff Format Description",
      "description": "Also includes data usage information"
    },
    {
      "rel": "documentation",
      "href": "https://ceos.org/ard/files/PFS/NRB/v5.5/CARD4L-PFS_NRB_v5.5.pdf",
      "type": "application/pdf",
      "title": "CARD4L CEOS-ARD NRB Description"
    },
    {
      "rel": "license",
      "href": "https://earth.jaxa.jp/policy/en.html",
      "type": "text/html",
      "title": "JAXA Terms of Use of Research Data"
    },
    {
      "rel": "item",
      "href": "./ALOS2437590500-220630_WWDR2.2GUA/ALOS2437590500-220630_WWDR2.2GUA.json",
      "type": "application/json"
    }
  ],
  "stac_extensions": [
    "https://stac-extensions.github.io/item-assets/v1.0.0/schema.json",
    "https://stac-extensions.github.io/projection/v1.0.0/schema.json",
    "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
    "https://stac-extensions.github.io/sar/v1.0.0/schema.json",
    "https://stac-extensions.github.io/sat/v1.0.0/schema.json",
    "https://stac-extensions.github.io/eo/v1.0.0/schema.json"
  ],
  "item_assets": {
    "HH_SLP": {
      "title": "HH",
      "type": "image/tiff; application=geotiff; profile=cloud-optimized",
      "description": "HH polarization backscattering coefficient, 16-bit DN.",
      "role": "data"
    },
    "HV_SLP": {
      "title": "HV",
      "type": "image/tiff; application=geotiff; profile=cloud-optimized",
      "description": "HV polarization backscattering coefficient, 16-bit DN.",
      "role": "data"
    },
    "LIN": {
      "title": "linci",
      "type": "image/tiff; application=geotiff; profile=cloud-optimized",
      "description": "Local incidence angle (degrees).",
      "role": [
        "metadata",
        "local-incidence-angle"
      ]
    },
    "MSK": {
      "title": "mask",
      "type": "image/tiff; application=geotiff; profile=cloud-optimized",
      "description": "Quality Mask",
      "role": [
        "metadata",
        "data-mask"
      ]
    },
    "summary": {
      "title": "summary",
      "type": "application/xml",
      "description": "CARD4L Metadata",
      "role": "metadata"
    },
    "kml": {
      "title": "kml",
      "type": "application/vnd.google-earth.kml+xml",
      "description": "Footprint Preview",
      "role": "overview"
    }
  },
  "title": "PALSAR-2 ScanSAR NRB L2.2",
  "extent": {
    "spatial": {
      "bbox": [
        [
          -180.0,
          -56,
          180.0,
          85.0
        ]
      ]
    },
    "temporal": {
      "interval": [
        [
          "2014-08-04T00:00:00Z",
          null
        ]
      ]
    }
  },
  "license": "proprietary",
  "providers": [
    {
      "name": "Japan Aerospace Exploration Agency",
      "roles": [
        "producer",
        "processor",
        "licensor"
      ],
      "url": "https://www.eorc.jaxa.jp/ALOS/en/dataset/fnf_e.htm"
    },
    {
      "name": "Japan Aerospace Exploration Agency",
      "roles": [
        "host"
      ],
      "url": "https://registry.opendata.aws/jaxa-alos-palsar2-scansar/"
    }
  ],
  "summaries": {
    "platform": [
      "ALOS2"
    ],
    "sar:looks_range": [
      1
    ],
    "sar:product_type": [
      "GRD"
    ],
    "sar:looks_azimuth": [
      1
    ],
    "sar:polarizations": [
      "HH",
      "HV"
    ],
    "sar:frequency_band": [
      "L"
    ],
    "sar:instrument_mode": [
      "WBD",
      "WBS"
    ],
    "sar:center_frequency": [
      1.2365
    ],
    "sar:resolution_range": [
      19
    ],
    "sar:resolution_azimuth": [
      25.9
    ],
    "sar:pixel_spacing_range": [
      8.583
    ],
    "sar:pixel_spacing_azimuth": [
      325.003
    ],
    "sar:looks_equivalent_number": [
      2.7
    ]
  }
}