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/36945/?format=api

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

{
    "ob_id": 36945,
    "uuid": "4979abad164349feb070a94949007f32",
    "title": "FAAM C251 ACRUISE-2 flight: Airborne atmospheric measurements from core instrument suite on board the BAE-146 aircraft",
    "abstract": "Airborne atmospheric measurements from core instrument suite data on board the FAAM BAE-146 aircraft collected for ACRUISE : Atmospheric Composition and Radiative forcing changes due to  UN International Ship Emissions regulations (ACRUISE) (ACRUISE-2) project.",
    "keywords": "ACRUISE-2, FAAM, airborne, atmospheric measurments",
    "publicationState": "published",
    "dataPublishedTime": "2022-02-22T22:03:24",
    "doiPublishedTime": null,
    "updateFrequency": "asNeeded",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://catalogue.ceda.ac.uk/api/v2/observations/36944/?format=api",
        "dataPath": "/badc/faam/data/2021/c251-sep-24",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 3963259189,
        "numberOfFiles": 48,
        "fileFormat": "Data are netCDF and NASA-Ames formatted. Ancillary files may be plain ASCII or PDF formatted. Image files may be PNG formatted."
    },
    "timePeriod": "https://catalogue.ceda.ac.uk/api/v2/times/10207/?format=api",
    "geographicExtent": "https://catalogue.ceda.ac.uk/api/v2/bboxes/3392/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14845/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14846/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14848/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14850/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14851/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14857/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14924/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14927/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14928/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14935/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/14946/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15040/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15041/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15325/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15338/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15342/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15343/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15813/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15818/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15819/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15820/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15822/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15823/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/15836/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/16658/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/20689/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/20695/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/20696/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/20697/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/21049/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/22462/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/22465/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/phenomona/22847/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/24825/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47310/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47311/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47312/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47342/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47343/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47345/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47346/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47347/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47348/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47349/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47350/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47351/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47352/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47353/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47354/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47356/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47357/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47358/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47359/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47360/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47361/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47362/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47363/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47364/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47365/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47366/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47367/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47368/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47369/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47370/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47371/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47372/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47373/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47374/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47375/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47376/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47377/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47389/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47399/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47412/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47413/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47414/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47415/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47416/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47417/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47418/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47419/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47421/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47441/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47443/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47444/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47447/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47448/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47449/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47450/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/phenomona/47451/?format=api"
    ],
    "dataLineage": "Data were collected by instrument scientists during the flight before preparation and delivery for archiving at the Centre for Environmental Data Analysis (CEDA).",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [],
    "projects": [
        "https://catalogue.ceda.ac.uk/api/v2/projects/27736/?format=api"
    ],
    "observationcollection_set": [
        "https://catalogue.ceda.ac.uk/api/v2/observationcollections/5782/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/observationcollections/29924/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://catalogue.ceda.ac.uk/api/v2/rpis/176731/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/176732/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/176733/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/176734/?format=api",
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        "https://catalogue.ceda.ac.uk/api/v2/rpis/176740/?format=api"
    ],
    "procedureAcquisition": "https://catalogue.ceda.ac.uk/api/v2/acquisitions/36946/?format=api",
    "procedureCompositeProcess": null,
    "procedureComputation": null,
    "permissions": [
        {
            "ob_id": "https://catalogue.ceda.ac.uk/api/v2/observations/2522/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "registered",
            "accessRoles": null,
            "label": "registered: None group",
            "licenceURL": "http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
            "licenceClassifications": "any"
        }
    ],
    "discoveryKeywords": [
        {
            "ob_id": 1138,
            "name": "NDGO0003"
        }
    ]
}