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/3823/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 3823,
    "uuid": "387ca240c6585dabd158a06b2ce4af4b",
    "title": "Quantifying the Amazon Isoprene Budget: Reconciling Top-down versus Bottom-up Emission Estimates Project: High-Resolution Chemistry Model data for the Amazon basin.",
    "abstract": "The Quantifying the Amazon Isoprene Budget: Reconciling Top-down versus Bottom-up Emission Estimates project ran a unique high resolution model for the Amazon basin, able to simulate isoprene emissions and atmospheric chemistry. Model outputs are available through CEDA. This was a NERC funded project (NE/G013810/1).",
    "keywords": "NERC, Amazon, isoprene, budget, model, atmospheric chemistry",
    "discoveryKeywords": [
        1138,
        1142
    ],
    "publicationState": "published",
    "dataPublishedTime": "2013-11-06T18:28:34",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3824/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13712/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13845/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/2562/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/2563/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/18935/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/18941/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/18937/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/18938/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/18939/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41774/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/18936/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41772/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54913/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41773/?format=api"
    ]
}