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/26096/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 26096,
    "uuid": "8ec7ddba554844b4ad1a600ff2196e1c",
    "title": "Re-analysis (ERA-20C, ERA-Interim, NCEP-CFS) European winter extra-tropical cyclone tracks 1900/1979-2010",
    "abstract": "This dataset collection contains winter (October - March) extra-tropical cyclone tracks generated by TRACK (Hodges 1994, 1995, 1999) that pass through a Western European domain from three re-analysis datasets: ERA-20C (1900-2010), ERA-Interim (1979-2010) and NCEP-CFS (1979-2010). The tracks were filtered to retain those that travelled 1000km and lasted 2 days. Fields referenced to the tracks are: mean sea-level pressure (min within 5 degrees), 925hPa windspeed (max within 6 degrees), precipitation (max within 5 degrees), 700hPa vertical velocity (min within 5 degrees), 925hPa land-windspeed (max within 6 degrees), precipitation (area average over 5 degrees).\r\n\r\nThis data was collected as part of Robust Spatial Projections for the Real World (Real Projections) NERC (Natural Environment Research Council) NE/N018486/1.",
    "keywords": "extra-tropical, cyclone, European, track, tracks, ETC, storm, storms",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2018-06-15T13:01:31",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26093/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26094/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26095/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109298/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109306/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109308/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109309/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109310/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109307/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109303/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109304/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109305/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109299/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168800/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109300/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109301/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109302/?format=api"
    ]
}