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/39477/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 39477,
    "uuid": "a46fffe939cf4430b9ce812ffc5e03da",
    "title": "Meteorological Observations for the Multidisciplinary drifting Observatory for Study of Arctic Climate (MOSAiC) project",
    "abstract": "This collection contains a range of meteorological observations made by instruments on board the German Icebreaker ship Polarstern for the Multidisciplinary drifting Observatory for Study of Arctic Climate (MOSAiC) project.\r\n\r\nThe University of Leeds participation in MOSAiC was funded by the Natural Environment Research Council (NERC, grant: NE/S002472/1) and involved instrumentation from the Atmospheric Measurement and Observations Facility of the UK's National Centre for Atmospheric Science (NCAS AMOF).",
    "keywords": "Arctic Ocean",
    "discoveryKeywords": [],
    "publicationState": "published",
    "dataPublishedTime": "2022-12-12T13:59:33",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/37046/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38257/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39226/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39468/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/192547/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/192548/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/192549/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/192542/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/192543/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/192544/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/192545/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/192546/?format=api"
    ]
}