Observation Instance

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{
    "ob_id": 33045,
    "uuid": "2e3a3408af2f4e918458c09d4e5f7460",
    "title": "ESA Sea Level Climate Change Initiative (Sea_Level_cci): Altimeter along-track high resolution sea level anomalies in some coastal regions from ENVISAT (2002-2010) and SARAL (2013-2016) satellite altimetry, v1.1",
    "abstract": "This dataset contains along-track sea level anomalies derived from satellite altimetry.   Altimeter along-track sea level measurements from the RA2 instrument on ENVISAT and the Altika instrument on SARAL satellite missions have been processed to produce high resolution (20 Hz, corresponding to an along-track distance of ~300m) sea level anomalies, in order to provide long-term homogeneous sea level time series as close to the coast as possible in six different coastal regions (North-East Atlantic, Mediterranean Sea, Western Africa, North Indian Ocean, South-East Asia and Australia).  \r\n\r\nThe product benefits from the spatial resolution provided by high-rate data, the Adaptive Leading Edge Subwaveform Retracker (ALES) and the post-processing strategy of the along-track (X-TRACK) algorithm, both developed for the processing of coastal altimetry data, as well as the best possible set of geophysical corrections.  \r\n\r\nThe main objective of this product is to provide accurate altimeter Sea Level Anomalies (SLA) time series as close to the coast as possible in order to assess whether the coastal sea level trends experienced at the coast are similar to the observed sea level trends in the open ocean and to determine the causes of the potential discrepancies.\r\n\r\nThe Envisat and SARAL/AltiKa missions have the same ground track but the temporal gap between both missions prevents from computing reliable trends during the total period between both missions.\r\n\r\nThis dataset has been produced by the Climate Change Initiative Coastal Sea Level team, within the extension phase of the European Sapce Agency (ESA) Climate Change Initiative.",
    "keywords": "ESA CCI, SLA",
    "publicationState": "published",
    "dataPublishedTime": "2021-12-09T13:53:57",
    "doiPublishedTime": null,
    "updateFrequency": "",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/33234/?format=api",
        "dataPath": "/neodc/esacci/sea_level/data/XTRACK_ALES_SLA/ENVISAT_SARAL/SLA/v1.1/",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 14592570173,
        "numberOfFiles": 1743,
        "fileFormat": "Data are in NetCDF format"
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/9077/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/2716/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/2669/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/30285/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/30286/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/30287/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/30288/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/30289/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/30294/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/30296/?format=api"
    ],
    "dataLineage": "This dataset has been produced by the Climate Change Initiative Coastal Sea Level team within  the extension phase of the European Space Agency (ESA) Climate Change Initiative.    A copy has been transferred to CEDA as part of the ESA CCI Open Data Portal project.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [],
    "projects": [
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    ],
    "observationcollection_set": [
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        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/12684/?format=api"
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            "accessConstraints": null,
            "accessCategory": "public",
            "accessRoles": null,
            "label": "public: None group",
            "licenceURL": "https://artefacts.ceda.ac.uk/licences/specific_licences/esacci_sealevel_terms_and_conditions.pdf",
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}