Observation Instance

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{
    "ob_id": 27730,
    "uuid": "bcbe8362169549d7bf839cd0f12ff1e6",
    "title": "Sentinel 3A Ocean and Land Colour Instrument (OLCI) Reduced Resolution (ERR) level 1 data",
    "abstract": "This dataset contains ocean and land colour imagery data from the Ocean and Land Colour Instrument (OLCI) aboard the European Space Agency (ESA) Sentinel 3A Satellite. Sentinel 3A was launched on the 16th February 2016. OLCI is an optical instrument used to provide data continuity for Environmental Satellite (ENVISAT's) Medium Resolution Imaging Spectrometer (MERIS). OLCI is a push-broom imaging spectrometer that measures solar radiation reflected by the Earth. The OLCI radiometer images using 21 spectral bands ranging from 400nm to 1020nm. The Reduced Resolution (ERR) Level 1 data is calibrated, geo-located and spatially re-sampled Top Of Atmosphere (TOA) radiance for all 21 OLCI spectral bands. Reduced Resolution products are obtained by averaging the signal of a grid of 16 FR pixels (4 Along Track x 4 Across Track). For the normal orbit of Sentinel 3A the OLCI instrument provides a Reduced Resolution produced with a spatial resolution of approximately 1.2km with worldwide coverage every ~2 days.\r\n\r\nData are provided by ESA and are made available via CEDA to any registered user.",
    "keywords": "Sentinel, Ocean and Land Colour Instrument, OLCI",
    "publicationState": "published",
    "dataPublishedTime": "2022-12-19T09:26:30",
    "doiPublishedTime": null,
    "updateFrequency": "continual",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/27731/?format=api",
        "dataPath": "/neodc/sentinel3a/data/OLCI/L1_ERR/",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 8057215120699,
        "numberOfFiles": 29770,
        "fileFormat": "These image files are in NETCDF4 format."
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/10747/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/529/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [],
    "dataLineage": "Data collected and prepared by European Space Agency (ESA). Downloaded from the ESA hubs for use by the UK scientific community.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/12321/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/30129/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/32818/?format=api"
    ],
    "responsiblepartyinfo_set": [
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        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115923/?format=api",
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    ],
    "procedureAcquisition": null,
    "procedureCompositeProcess": "https://api.catalogue.ceda.ac.uk/api/v2/composites/19026/?format=api",
    "procedureComputation": null,
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2586/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "public",
            "accessRoles": null,
            "label": "public: None group",
            "licenceURL": "https://sentinel.esa.int/documents/247904/690755/Sentinel_Data_Legal_Notice",
            "licenceClassifications": "any"
        }
    ],
    "discoveryKeywords": []
}