Observation Instance

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{
    "ob_id": 30285,
    "uuid": "f742c505c935467ebb4cf89a611a4436",
    "title": "GOCCP, DARDAR and PM-L2 cloud-top-phase product ensemble (GDP): Combination of instant cloud phase retrievals of A-Train lidar, radar, radiometer and polarimeter.",
    "abstract": "This dataset contains a collocation of three different A-Train cloud phase products on a 2x30 grid (latxlon): The GCM-Oriented Cloud Calipso Product (GOCCP v3.0), the liDAR-raDAR (DARDAR-MASK v2.0) product, and the Polarization & Anisotropy of Reflectances for Atmospheric Sciences coupled with Observations from a Lidar (PARASOL) + Aqua/MODIS combination (PM-L2) product.\r\n\r\nTo better understand the differences in cloud glaciation around the globe, liquid and ice cloud tops around the globe were counted, as observed from four different space-borne instruments (lidar, radar, radiometer and polarimeter) during four years. The top pixels of each product were selected and binned into 3 K temperature intervals. With this data, an algorithm was applied to determine the most probable thermodynamic phase at cloud top based on the different cloud-phase products on a 2x30 grid (latxlon). The \"GDP2\" ensemble was produced using the mode between the three different binary classifications (ice/liquid), provided that all three products are available at each timestep. The \"GDP3\" ensemble is a subselection of the GDP2 ensemble, containing only timesteps where all three products agree. The \"GP\"(GOCCP and PM-L2), \"DP\"(DARDAR and PM-L2) and \"GD\"(GOCCP and DARDAR) ensembles contain only timesteps where two products agree.",
    "keywords": "cloud, phase, top, GOCCP, DARDAR, PM-L2",
    "publicationState": "published",
    "dataPublishedTime": "2020-05-19T08:32:12",
    "doiPublishedTime": null,
    "updateFrequency": "notPlanned",
    "status": "completed",
    "result_field": {
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        "dataPath": "/badc/deposited2020/cloud-top-phase/data/",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 1255751945,
        "numberOfFiles": 1245,
        "fileFormat": "Data are netCDF formatted."
    },
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    "nonGeographicFlag": false,
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    "dataLineage": "Data were gathered, quality controlled, and processed for archiving by the scientist before uploading to the Centre for Environmental Data Analysis (CEDA) for long term archiving.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [],
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