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/15957/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 15957,
    "uuid": "ac5793483bcf4d5694d0b0434f776468",
    "title": "CLPX-II: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for CLPX-II - Cold Lands Processes eXperiment Part 2  .",
    "keywords": "CLPX-II, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2012-09-21T12:50:37",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15956/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15965/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15969/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17954/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18370/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18494/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18607/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18611/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18615/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18619/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61484/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61476/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61477/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61483/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61475/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61480/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61481/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61482/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61478/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/61479/?format=api"
    ]
}