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/7768/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 7768,
    "uuid": "6947880b98d32e249a8638ebe768efd2",
    "title": "Snow-Vegetation-Atmosphere Interactions over Heterogeneous Landscapes Project: Vegetation and Meteorological Observations at the Abisko Site",
    "abstract": "Vegetation and meteorological observations (snow and radiation) were collected by various ground instruments in an area of forest near Abisko (Sweden)  during measurement campaigns in March and April 2011. This data is made available through the BADC. This is a NERC funded project.",
    "keywords": "NERC, snow, radiation, abisko",
    "discoveryKeywords": [
        1138,
        1142
    ],
    "publicationState": "published",
    "dataPublishedTime": "2013-11-05T20:15:19",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/7769/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13739/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13741/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13743/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13745/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13747/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/5030/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/5031/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/32166/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/32165/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/32173/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/32167/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/32168/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/32169/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42442/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42446/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54734/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42443/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42444/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/42445/?format=api"
    ]
}