Get a list of Collections objects. Collections have a 1:1 mapping with Observations.

### Available end points:

- `/observationcollections/` - Will list all Collections in the database
- `/observationcollections.json` - Will return all Collections in json format
- `/observationcollections/<object_id>/` - Returns Collections object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `uuid`
- `title`
- `keywords`
- `discoveryKeywords`
- `publicationState`

### How to use filters:

- `/observationcollections/?uuid=ab4ca8d019d148f78afba1cd20872bdd`

- `/observationcollections.json?publicationState=citable`

GET /api/v2/observationcollections/15475/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 15475,
    "uuid": "7e76016a24f7435da11b026d966ec4bf",
    "title": "EUCAARI: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for EUCAARI-LONGREX (European Integrated Project on Aerosol Cloud Climate and Air Quality Interactions).",
    "keywords": "ADIENT, EUCAARI, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2016-01-12T13:35:45",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15474/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16487/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16491/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16495/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16499/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16503/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16507/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16511/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16515/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16519/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16523/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17548/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17552/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17556/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17560/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17564/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17568/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17573/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17577/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17581/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/59820/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/59812/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/59813/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/59819/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/59811/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/59816/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/59817/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/59818/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/59814/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/59815/?format=api"
    ]
}