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/40961/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 40961,
    "uuid": "3fe1af076909453ea2520b0524c68c2e",
    "title": "HadCM3 Climate Simulation - all natural and anthropogenic forcing experiment (Ensemble element 3).",
    "abstract": "The HadCM3-ALL3 dataset includes time varying forcing from major and minor greenhouse gases, anthropogenic sulfur cycle with direct and indirect sulphate aerosol effects, and variations in tropospheric and stratospheric ozone based partly on off-line chemistry calculations broadly consistent with the IPCC IS95a emission scenario from 1859 to 2002 as well as changes in total solar irradiance and volcanic aerosol. This dataset is the third ensemble member for the HadCM3-ALL ensemble.\r\n \r\n The HadCM3-ALL experiment was designed to simulate the combined of all natural and anthropogenic forcings supported by the HadCM3 model. The forcings are based upon historical observations as defined in the IPCC IS95a emission scenario. 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: ['acbna', 'acbnc', 'acbne', 'acbni']\r\n\r\n Boundary conditions: The HadCM3-ALL3 simulation includes time varying forcing from major and minor greenhouse gases, anthropogenic sulfur cycle with direct and indirect sulphate aerosol effects, and variations in tropospheric and stratospheric ozone based partly on off-line chemistry calculations broadly consistent with the IPCC IS95a emission scenario from 1859 to 2002 as well as changes in total solar irradiance from Lean, et. al. (1995) and changes in volcanic aerosol from Sato et al. (1993).\r\nReferences: \r\nLean, J., J. Beer, and R. Bradley (1995), Reconstruction of Solar Irradiance Since 1610: Implications for Climate Change. Geophysical Research Letters, 22, 3195-3198.\r\nSato, M., J.E. Hansen, M.P. McCormick, and J.B. Pollack (1995), Stratospheric aerosol optical depths, 1850-1990. Journal of Geophysical Research, 98, 22987-22994.\r\n\r\n\r\n Initial conditions: The third element of the HadCM3-ALL ensemble was initialised with the December 2059 conditions from the HadCM3 control run (HadCM3-ctrl).\r\n\r\n More detailed metadata on the model configuration and parameters is available in XML format.",
    "keywords": "HadCM3-ALL (ensemble element 3), HadCM3, forcings",
    "publicationState": "published",
    "dataPublishedTime": "2024-04-16T08:13:34",
    "doiPublishedTime": null,
    "updateFrequency": "notPlanned",
    "status": "completed",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/40962/?format=api",
        "dataPath": "/badc/hadcm3/data/HadCM3_ALL3/",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 17243059904,
        "numberOfFiles": 3431,
        "fileFormat": "HadCM3 data is provided in PP (post processing) format."
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/11380/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/4020/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "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/71378/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71379/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71380/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71384/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71386/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71390/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71391/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71392/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71393/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71395/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71399/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71439/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/71442/?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": [
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        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199140/?format=api",
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    ],
    "procedureAcquisition": null,
    "procedureCompositeProcess": null,
    "procedureComputation": "https://api.catalogue.ceda.ac.uk/api/v2/computations/40963/?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": []
}