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/5114/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 5114,
    "uuid": "a20aa8bcc1254ca96c3c1725960c385f",
    "title": "Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the European AQUA Thermodynamic Experiment (EAQUATE)",
    "abstract": "The European AQUA Thermodynamic Experiment (EAQUATE) was a study of the atmosphere, the land surface and the ocean surface by means of a range of airborne high resolution souders, in conjunction with observations from the Aqua and Aura satellites. The EAQUATE archive held at the British Atmospheric Data Centre (BADC) includes data collected aboard the Facility for Airborne Atmospheric Measurements (FAAM) Bae 146 aircraft based at Cranfield, UK, during four flights in September 2004.",
    "keywords": "EAQUATE, FAAM, ",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2004-12-10T03:15:35",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/14872/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/14882/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/14886/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15126/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3395/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3389/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3391/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3388/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3393/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3390/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3387/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3394/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3392/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3386/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3385/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3381/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3379/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3380/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/10311/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22813/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22814/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22815/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22816/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22819/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/43130/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/43133/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22812/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/43131/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/43132/?format=api"
    ]
}