GET

Observation Instance

Get a list of Observation objects.

### Available end points:

- `/observations/` - Will list all Results in the database
- `/observations.json` - Will return all Results in json format. This can
also be achieved by using the accept header. `application/json`
- `/observations/<object_id>/` - Returns Results object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `title`
- `uuid`
- `keywords`
- `status`
- `result_field`
- `discoveryKeywords`
- `updateFrequency`
- `nonGeographicFlag`
- `publicationState`
- `permissions`

### How to use filters:

These filters can be used like django query filters using __ for related model relationships.

- `/observations/?uuid=d594d53df2612bbd89c2e0e770b5c1a0`
- `/observations/?status=completed`
- `/observations/?results_field__dataPath__startswith=/neodc/esacci`
- `/observations/?discoveryKeywords__name=ESACCI`
- `/observations/?nonGeographicFlag=True`

Filters can be stacked to build an 'AND' relationship. E.g.

- `/observations/?publicationState__in=published,citable&nonGeographicFlag=True`
- `/observations/?publicationState__in=published,citable&discoveryKeyword__name=NDGO0003`

GET /api/v2/observations/27144/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 27144,
    "uuid": "5f6dde2669184967b19c5e4c36d5d362",
    "title": "CORDEX AFR-44 data produced by the Met Office Hadley Centre regional climate models HadRM3P and HadGEM3-RA",
    "abstract": "Co-Ordinated Regional Downscaling Experiment (CORDEX) data for the Africa Domain (AFR-44). \r\n\r\nThe data is produced by the MetOffice Hadley Centre regional models HadGEM3-RA and HadRM3P running at 0.44 degree resolution over the Africa CORDEX domain (AFR-44). \r\nHadGEM3-RA is a regional atmospheric model that is based on the atmospheric component of the HadGEM3 Global Environment Model. \r\nHadRM3P is a regional climate model based on the HadCM3 Coupled Climate Model.\r\nThe HadGEM3-RA and HadRM3P models are driven by European Centre for Medium-Range Weather Forecasts (ECMWF) ERA-Interim reanalysis data to run the CORDEX Evaluation experiment, representative of the period from 1990 to 2010.\r\n\r\nThe model outputs are stored on the native grid used for the simulation, which has a consistent spatial resolution across the simulation domain.  Each variable is stored at the daily timescale.  The collection also includes monthly and seasonal averages.  In addition, the archive also includes sub-daily data.\r\n\r\nThe CORDEX program is sponsored by the World Climate Research Program (WCRP) to organise an internationally coordinated framework to produce improved regional climate change projections for all land regions world-wide. The CORDEX-results will serve as input for climate change impact and adaptation studies.",
    "keywords": "CORDEX, Africa, AFR-44, 0.44 deg, HadGEM3-RA, HadRM3P, ERAINT, Evaluation, region 4",
    "publicationState": "published",
    "dataPublishedTime": "2019-02-24T18:39:45",
    "doiPublishedTime": null,
    "updateFrequency": "",
    "status": "completed",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/27149/?format=api",
        "dataPath": "/badc/cordex/data/cordex/output/AFR-44/MOHC/ECMWF-ERAINT/evaluation",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 324000000000,
        "numberOfFiles": 2752,
        "fileFormat": "NetCDF"
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/7261/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/2359/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/1050/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6021/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6022/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6023/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6024/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7767/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7769/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/19325/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/19328/?format=api",
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    ],
    "dataLineage": "Data has been prepared for CORDEX by the Met Office Hadley Centre and sent to CEDA for archiving.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/26972/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/27147/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/113726/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/113727/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/113728/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/113730/?format=api"
    ],
    "procedureAcquisition": null,
    "procedureCompositeProcess": null,
    "procedureComputation": "https://api.catalogue.ceda.ac.uk/api/v2/computations/27145/?format=api",
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2525/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "registered",
            "accessRoles": null,
            "label": "registered: None group",
            "licenceURL": "https://artefacts.ceda.ac.uk/licences/specific_licences/cmip5_open.pdf",
            "licenceClassifications": "any"
        }
    ],
    "discoveryKeywords": [
        {
            "ob_id": 1138,
            "name": "NDGO0003"
        }
    ]
}