{
  "extent": {
    "spatial": {"bbox": [[
      -180,
      -90,
      180,
      90
    ]]},
    "temporal": {"interval": [[
      "2005-01-01T00:00:00.000Z",
      "2005-12-31T23:59:59.999Z"
    ]]}
  },
  "stac_version": "1.0.0",
  "sci:doi": "10.5270/esa-6riial9",
  "keywords": [
    "DIF10",
    "EARTH SCIENCE>LAND SURFACE>SURFACE RADIATIVE PROPERTIES",
    "Terra",
    "Aqua",
    "QUIKSCAT",
    "OrbView-2",
    "MODIS",
    "SEAWINDS",
    "SeaWiFS",
    "Orthoimagery",
    "Surface Radiative Properties",
    "UV (0.01 - 0.4) µm",
    "VIS (0.40 - 0.75) µm",
    "NIR (0.75 - 1.30) µm",
    "SWIR (1.3 - 3.0) µm",
    "MWIR (3.0 - 6.0) µm",
    "4.0",
    "Very Low Resolution - VLR (> 1200) m",
    "Imaging Spectrometers/Radiometers",
    "Scatterometers",
    "TERRA",
    "AQUA",
    "QuikSCAT",
    "SeaWinds"
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  "created": "2019-11-21T00:00:00.00Z",
  "description": "ADAM enables generating typical monthly variations of the global Earth surface reflectance at 0.1° spatial resolution (Plate Carree projection) and over the spectral range 240-4000nm.  The ADAM product is made of gridded monthly mean climatologies over land and ocean surfaces, and of a companion API toolkit that enables the calculation of hyperspectral (at 1 nm resolution over the whole 240-4000 nm spectral range) and multidirectional reflectances (i.e. in any illumination/viewing geometry) depending on user choices.  The ADAM climatologies that feed the ADAM calculation tools are:  For ocean:  monthly chlorophyll concentration derived from SeaWiFS-OrbView-2 (1999-2009); it is used to compute the water column reflectance (which shows large spectral variations in the visible, but is insignificant in the near and mid infrared). monthly wind speed derived from SeaWinds-QuikSCAT-(1999-2009); it is used to calculate the ocean glint reflectance. For land:  monthly normalized surface reflectances in the 7 MODIS narrow spectral bands derived from FondsdeSol processing chain of MOD09A1 products (derived from Aqua and Terra observations), on which relies the modelling of the hyperspectral/multidirectional surface (soil/vegetation/snow) reflectance. uncertainty variance-covariance matrix for the 7 spectral bands associated to the normalized surface reflectance. For sea-ice:  Sea ice pixels (masked in the original MOD09A1 products) have been accounted for by a gap-filling approach relying on the spatial-temporal distribution of sea ice coverage provided by the CryoClim climatology for year 2005.",
  "sci:citation": "European Space Agency, 2019, ADAM Surface Reflectance Database Version 4.0.",
  "type": "Collection",
  "title": "ADAM Surface Reflectance Database v4.0",
  "license": "other",
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    },
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      "href": "https://fedeo.ceos.org/series/eo:platform/OrbView-2",
      "title": "More collections for OrbView-2 platform"
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  "id": "ADAM.Surface.Reflectance.Database",
  "updated": "2026-02-06T13:40:48Z",
  "stac_extensions": [
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      "MODIS",
      "SeaWinds",
      "SeaWiFS"
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    "platform": [
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      "AQUA",
      "QuikSCAT",
      "OrbView-2"
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}