Observation Instance

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{
    "ob_id": 32738,
    "uuid": "5c2b70d069cb467ab73e80b84c3e395a",
    "title": "Global ocean lagrangian trajectories based on AVISO velocities, v2.2",
    "abstract": "The National Centre for Earth Observation (NCEO) Long Term Science Single Centre (LTSS) Global Ocean Lagrangian Trajectories  (OLTraj) provide 30-day forward and backward Lagrangian trajectories based on AVISO (Satellite Altimetry Data project) surface velocities. Each trajectory represents the path that a water mass would move along starting at a given pixel and a given day. OLTraj can be thus used to implement analyses of oceanic data in a Lagrangian framework. The purpose of OLTraj is to allow non-specialists to conduct Lagrangian analyses of surface ocean data.\r\n\r\nThe dataset has global coverage and spans 1998-2019 with a daily temporal resolution. The trajectories were generated starting from zonal and meridional model velocity fields that were integrated using the LAMTA  (6-hour time step - part of ) as described in Nencioli et al., 2018 and SPASSO (Software package for and adaptive satellite-based sampling for ocean graphic cruises containing LAMTA) software user guide. Please see the documentation section below for further information.\r\n\r\nVersion 2.2 is a higher resolution version of V2.0 and also has double value for time variables to permit access via THREDDS",
    "keywords": "AVISO, Global, Ocean Lagrangian Trajectories, LAMTA, zonal, meridional model,  OLTraj_SEALEVEL_GLO_PHY_L4_REP_OBSERVATIONS_008_047",
    "publicationState": "citable",
    "dataPublishedTime": "2021-08-19T14:44:50",
    "doiPublishedTime": "2021-09-08T10:40:06",
    "updateFrequency": "",
    "status": "ongoing",
    "result_field": {
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        "dataPath": "/neodc/oltraj/data/v2.2/",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 6858992869823,
        "numberOfFiles": 8044,
        "fileFormat": "NetCDF"
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/8981/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/2687/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/30130/?format=api"
    ],
    "dataLineage": "Data were produced by the NCEO Plymouth Marine Laboratory project team and supplied for archiving at the Centre for Environmental Data Analysis (CEDA).",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [
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    "projects": [
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    ],
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            "accessCategory": "public",
            "accessRoles": null,
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            "licenceURL": "http://creativecommons.org/licenses/by/4.0/",
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