Observation Instance – Django REST framework

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/40956/?format=api

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 40956,
    "uuid": "064375add269418ca7d1090b25dff4e3",
    "title": "HadCM3 control run generated for the QUMP (Quantifying Uncertainty in Model Predictions) Project",
    "abstract": "The Control Run uses fixed forcing representative of late nineteenth century atmospheric conditions. This run is part of a 17 element control ensemble produced as part of the Hadley Centre QUMP investigation.\r\n \r\n The Control Run contained in this dataset is part of the 2nd QUMP (Quantifying Uncertainty in Model Predictions) Fully Coupled Transient Ensemble. It uses fixed forcing representative of late nineteenth century atmospheric conditions. The HadCM3 model was used by the Hadley Centre to provide input for the IPCC Third Assessment Report.\r\n \r\n Data members run for this experiment: aenwp\r\n\r\n Boundary conditions: Fixed forcing representative of late nineteenth century atmospheric conditions as defined in Johns et al. (2003).\r\nReferences: \r\nJohns, T.C., J.M. Gregory, W.J. Ingram, C.E. Johnson, A. Jones, J.A. Lowe, J.F.B. Mitchell, D.L. Roberts, D.M.H Sexton, D.S Stevenson, S.F.B. Tett, M.J. Woodage (2003) Anthropogenic climate change for 1860 to 2100 simulated with the HadCM3 model under updated emissions scenarios. Climate Dynamics, pp583-612.\r\n\r\n Initial conditions: The model is initialised directly from the flux adjusted QUMP project spinup run (run: aenwd date: 2109-12-01)\r\n\r\n More detailed metadata on the model configuration and parameters is available in XML format.",
    "keywords": "HadCM3, control, QUMP",
    "publicationState": "published",
    "dataPublishedTime": "2024-04-16T08:05:17",
    "doiPublishedTime": null,
    "updateFrequency": "notPlanned",
    "status": "completed",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/40957/?format=api",
        "dataPath": "/badc/hadcm3/data/HadCM3_ctrl_QUMP/",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 271423889662,
        "numberOfFiles": 4966,
        "fileFormat": "HadCM3 data is provided in PP (post processing) format."
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/11379/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/4019/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71374/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71375/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71376/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71382/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71384/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71385/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71386/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71392/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71398/?format=api",
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    ],
    "dataLineage": "Data from the UK Met Office Hadley Centre. Dataset directory structure was reordered by CEDA staff in November 2023 to place experiment runs within a directory of their associated experiment.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/13847/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/3791/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199127/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199128/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199129/?format=api",
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    ],
    "procedureAcquisition": null,
    "procedureCompositeProcess": null,
    "procedureComputation": "https://api.catalogue.ceda.ac.uk/api/v2/computations/40958/?format=api",
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2613/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "restricted",
            "accessRoles": "link",
            "label": "restricted: link group",
            "licenceURL": "https://artefacts.ceda.ac.uk/licences/specific_licences/ukmo_agreement.pdf",
            "licenceClassifications": "academic"
        }
    ],
    "discoveryKeywords": []
}