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/4872/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 4872,
    "uuid": "7529868ca3b28c5bcb8591607a47148e",
    "title": "Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the Flux Experiment (FLUXEX)",
    "abstract": "The FLUXEX (Flux Experiment) project was an experiment to establish the fluxes of many ozone depleting gases (CFCs, HCFCs, halons) and greenhouse gases (HFCs, PFCs, SF6) from the UK. Its aim was to assess regional emission inventories of these gases to feed the UNEP/WMO Ozone Assessment and the UNFCCC. Attempts were also made to measure for the first time \"new\" ozone depleting gases, such as n-propyl bromide and hexachlorobutadiene, and to estimate UK emissions. To achieve this purpose, the FAAM aircraft, fitted with air sampling bottles, was flown in the boundary layer upwind and downwind of the UK. A total of 9 flights took place between 30. March and 29. September 2005.",
    "keywords": "FLUXEX, FAAM, Chemistry, Greenhouse gases",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2005-12-10T03:14:36",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15648/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15657/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15665/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15673/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16687/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17268/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17308/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3267/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3266/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3265/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3264/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3263/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3262/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3253/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3254/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3261/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3260/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3259/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3255/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3281/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3279/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3277/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3282/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3273/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3280/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3275/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3272/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3278/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3276/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3274/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3271/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3270/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3269/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3268/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/10330/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22080/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22081/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22082/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22083/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22086/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42591/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/22079/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42594/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42592/?format=api"
    ]
}