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/41433/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 41433,
    "uuid": "b153fcf4ad4944baa059e433c83255c8",
    "title": "Fixed concentration simulations with UKESM1 across multiple global warming levels (500 years per simulation)",
    "abstract": "Six 500-year long climate model simulations were performed with the UKESM1-0-LL Earth System Model under constant external forcing conditions. The simulations were designed to span a range of global warming levels to explore projected climate change between 1.5 and 5°C above pre-industrial levels in a fully coupled, state-of-art Earth System Model (ESM). \r\nThe external forcings for each simulation are held at the level they were at in a parent ScenarioMIP simulation at the time the simulations are branched off. The six experiments are branched from the historical and ScenarioMIP experiments as follows (in order of mean warming over 500 years): \r\n•r1i1p1f2 (suite-id: u-bq777): 2014 in historical \r\n•r3i1p1f2 (suite-id: u-bw848): 2020 in SSP3-7.0 \r\n•r5i1p1f2 (suite-id: u-bz227): 2025 in SSP3-7.0 \r\n•r6i1p1f2 (suite-id: u-cd269): 2025 in SSP2-4.5 \r\n•r4i1p1f2 (suite-id: u-bw987): 2030 in SSP1-1.9\r\n•r2i1p1f2 (suite-id: u-bu607): 2040 in SSP3-7.0\r\nThe dataset contains a subset of CF-compliant, CMORised monthly model output, with more variables and higher frequency data to be added.\r\nFilenaming convention example: \r\n[varname]_[miptable]_UKESM1-0-LL_futControl_r5i1p1f2_gn_245001-252412.nc\r\nPaper reference: To be inserted here when available. \r\nNote futControl is used to reflect the parallels to piControl (fixed external forcings, but future conditions).\r\nThe NERC grants linked to this dataset are: NE/N018486/1 and NE/N018591/1",
    "keywords": "UKESM",
    "publicationState": "published",
    "dataPublishedTime": "2024-02-09T16:13:14",
    "doiPublishedTime": null,
    "updateFrequency": "",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/41434/?format=api",
        "dataPath": "/badc/deposited2024/REAL-world-climate-change-proj/data/",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 137284716458,
        "numberOfFiles": 566,
        "fileFormat": "These data are provided in netCDF format."
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/11550/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/529/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "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/6255/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11046/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50415/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50417/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50418/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50426/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50429/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50431/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50468/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50475/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50496/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50498/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50554/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50555/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50564/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50566/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50568/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50597/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50598/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50599/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50611/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50614/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50618/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50620/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52746/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54216/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60438/?format=api"
    ],
    "dataLineage": "The model simulations were run by Andrea Dittus on MonSooN2. Alistair Sellar helped with generating the required time-slice ancillaries. The data were post-processed by Andrea Dittus using the Met Office software CDDS. The data were CMORised using the Met Office CDDS software.\r\n\r\nData were produced by the project team and supplied for archiving at the Centre for Environmental Data Analysis (CEDA).",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/41435/?format=api"
    ],
    "observationcollection_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/201982/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/201983/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/201984/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/201985/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/201986/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/201987/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/201988/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/202050/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/202051/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/201989/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/201990/?format=api"
    ],
    "procedureAcquisition": null,
    "procedureCompositeProcess": null,
    "procedureComputation": "https://api.catalogue.ceda.ac.uk/api/v2/computations/41436/?format=api",
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2526/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "public",
            "accessRoles": null,
            "label": "public: None group",
            "licenceURL": "http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
            "licenceClassifications": "any"
        }
    ],
    "discoveryKeywords": []
}