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/4348/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 4348,
    "uuid": "f0095ccfd57aa3c62b64d3e406ab1f73",
    "title": "Met Office Stratospheric Assimilated Data",
    "abstract": "This dataset collection contain data concerning stratospheric temperature, geopotential height and wind components produced by the Stratospheric Data Assimilation System at the UK Met Office.\r\n\r\nThe data assimilation system is a development of the scheme used at the Met Office for operational weather forecasting, which has been extended to cover the stratosphere. The primary product is a daily analysis (at 1200 UTC) which is produced using operational observations only. For short periods of particular interest the analyses are available at 6-hourly intervals. Assimilation experiments using UARS (Upper Atmosphere Research Satellite) data in addition to operational meteorological observations have been carried out for limited periods.\r\n\r\nThese data consist of 3-dimensional gridpoint analyses of temperature, geopotential height and wind components fields at 2.5 x 3.75 degree resolution from the ground to 0.3 hPa (for the period from 17th October 1991 (UARS day 36) to 2006-03-13) and on a smaller grid size 0.5625 degree x 0.375 degree on 27 (or 26 depending on variable) pressure levels, (note, this does not apply for the UARS versions of the data files), for the period 2006-03-03 to present day.",
    "keywords": "Met Office, NWP, assimilation, stratosphere",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2006-12-10T02:44:48",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/4349/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/4352/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19631/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/2920/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/10270/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/2921/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/20632/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/20635/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/20634/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/20636/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44356/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44375/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/20638/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/20633/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44357/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46817/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54997/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44358/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44359/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44360/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44361/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44362/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44363/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44364/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44365/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44366/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44367/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44368/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44369/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44370/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44371/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44372/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44373/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44374/?format=api"
    ]
}