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/27849/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 27849,
    "uuid": "c3f9945f1c1041f6a20b98940db27335",
    "title": "ARNA: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for FAAM Atmospheric Reactive Nitrogen Cycling over the Ocean (ARNA)",
    "keywords": "ARNA-1, ARNA, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2019-09-27T09:23:28",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27848/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27851/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27853/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27855/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30150/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30153/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30155/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30157/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30159/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30161/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30163/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30165/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/117167/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/117159/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/117160/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/117166/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/117158/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/117163/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/117164/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/117165/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/117161/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/117162/?format=api"
    ]
}