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/6296/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 6296,
    "uuid": "356f7df856a8637fbf534dc7a2c90f58",
    "title": "Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the LAND EMISSivity (LAND MISS) experiment",
    "abstract": "The LAND EMISSivity experiment (LAND EMISS) aimed to study the thermal infrared emissivity of a range of different land surface types using the Facility for Airborne Atmospheric Measurements (FAAM) BAE-146 aircraft. The UK based campaign made use of the FAAM BAE-146 aircraft during early summer 2006 with an additional period of UK-based flying in summer 2007, and opportunities for flights over snow and ice were investigated.",
    "keywords": "LAND EMISS, FAAM, Chemistry",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2006-12-10T03:21:18",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17522/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18257/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18567/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/8943/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/4095/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/4096/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/10382/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/26627/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/26628/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/26629/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/26630/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/26634/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41741/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41745/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/26626/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41742/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41743/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41744/?format=api"
    ]
}