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/16342/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 16342,
    "uuid": "efc303c7c14743f49c0d725ed975682c",
    "title": "GERBIL: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for GERBIL - GERB Intercomparison of Longwave Radiation.",
    "keywords": "GERBIL, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2014-07-14T13:38:11",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16341/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16346/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16350/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16354/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17703/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17707/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17711/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17727/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17731/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17735/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17739/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62699/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62700/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62701/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62707/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62708/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62704/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62705/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62706/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62702/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62703/?format=api"
    ]
}