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/1056/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 1056,
    "uuid": "ec33852e9c9e7a8b09ec7d638fec2668",
    "title": "Combined Measurements of Greenhouse Gases, Ozone-depleting Substances and Related Trace Gases in Contiguous Firn and Ice Profiles as part of the CRYOspheric STudies of Atmospheric Trends (CRYOSTAT) Project",
    "abstract": "The CRYOspheric STudies of Atmospheric Trends in stratospherically and radiatively important gases (CRYOSTAT) will undertake the first combined measurements of virtually all significant Greenhouse gases (GHGs)(other than water vapour), ozone-depleting substances (ODSs), and related trace gases in contiguous firn and ice profiles, spanning as much as 200 years, from both the northern and southern polar ice caps. The dataset contains concentrations of isotopes (CH4, N20, CO, CO2, N20, SF6, CH3Br, halocarbons, and hydrocarbons) in firn, N2O concentrations in ice, ice core density, firn diffusivity, and weather measurements. CRYOSTAT is an evolution of the FIRETRACC/100 project, the data from which is also held at BADC.",
    "keywords": "Greenhouse gases, ICE",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2006-12-10T03:10:30",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/1057/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/782/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/783/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/10304/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3370/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3373/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3374/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3376/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44289/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44306/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3372/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3371/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44290/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44291/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44292/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44293/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44294/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44295/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44296/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44297/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44298/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44299/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44300/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44301/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44302/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44303/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44304/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/44305/?format=api"
    ]
}