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/16455/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 16455,
    "uuid": "43346eb0a2e54ef2bfb544862b38b018",
    "title": "COALESC: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for COALESC - 2011 Cloud physics and radiation studies.",
    "keywords": "COALESC, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2016-01-07T13:47:56",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16454/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16459/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16463/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16467/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16723/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16771/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17831/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17835/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17839/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17843/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17847/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17851/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18269/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18326/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18689/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63110/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63102/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63103/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63109/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63101/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63106/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63107/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63108/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63104/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/63105/?format=api"
    ]
}