Observation Instance

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{
    "ob_id": 3843,
    "uuid": "3240ab591b6d3c2ef5269b5b14afe4f3",
    "title": "GERB-2: Level 2 averaged rectified geolocated radiance and flux data (L2arg)",
    "abstract": "This dataset contains Level 2 averaged rectified geolocated radiance and flux data (L2arg) taken at 17 minute time resolution. Each grid point is a 3 GERB scan average weighted by the instrument point spread function.\r\n\r\nThe Geostationary Earth Radiation Budget (GERB) instrument makes accurate broadband measurements of earth leaving radiances from the geostationary METOSAT Second Generation satellites from which the emitted thermal and reflected solar components of the Earth Radiation Budget are derived. These data are available at high time resolution for the portion of the globe observable from a METEOSAT geostationary orbit above 0, 0.  These data are ideal for studying fast variation in the radiation budget such as those associated with changing cloud conditions, aerosol events and the diurnal cycle. GERB 2 (METEOSAT-8) record covers the period March 2004 to April 2007. GERB 1 (METEOSAT-9) record covers the period May 2007 to January 2013.\r\n\r\nUsers must read the quality summary associated with these data and will find details of user applied correction that are recommended to be applied to these datasets before using. Please also cite Harries et al., 2005: The Geostationary Earth Radiation Budget Project, Bull. Amer. Meteorol. Soc., Vol. 86, 945-960, doi: 10.1175/BAMS-86-7-945.\r\n\r\nThe level 2 ARG (Averaged, Rectified, Geolocated) top of atmosphere radiance and flux products are averaged over three interleaved SW and TOT GERB scans. They are provided interpolated to a fixed rectified equal viewing angle grid and averaged resulting in a product with a temporal resolution of around 17 minutes.  Times contained in the level 2 ARG product names indicate the nominal start of the integration period.  North-south and east-west grid spacing is around 0.07° in viewing angle giving a spatial resolution of approximately 45 km at nadir. Whilst the radiances and fluxes are corrected for the spectral imperfections of the instrument, no correction is made for spatial non-uniformities in the instrument field of view response. Thus each ARG grid point is a weighted average of the observed scenes with the weighting determined by the instrument field of view response or Point Spread Function (PSF).",
    "keywords": "GERB, solar, thermal, radiation",
    "publicationState": "citable",
    "dataPublishedTime": "2007-03-05T23:05:37",
    "doiPublishedTime": "2020-05-13T10:19:14.136496",
    "updateFrequency": "",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/13394/?format=api",
        "dataPath": "/badc/gerb/data/gerb-2/l2arg",
        "oldDataPath": [
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        ],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 137024542656,
        "numberOfFiles": 131610,
        "fileFormat": "Data are HDF formatted"
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/3617/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/70/?format=api",
    "nonGeographicFlag": false,
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25898/?format=api"
    ],
    "dataLineage": "Data collected by the GERB instrument onboard the Meteosat Second Generation satellite operated by European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT), then the data processed at RMIB (Royal Meteorological Institute of Belgium) then sent to NCAS-BADC by the GERB team at Imperial College and RAL (Rutherford Appleton Laboratory).",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
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    "procedureComputation": null,
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            "accessCategory": "registered",
            "accessRoles": null,
            "label": "registered: None group",
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