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/28110/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 28110,
    "uuid": "001b9640fdb1453aa95a222ba423580e",
    "title": "Disdrometer Verification Network (DiVeN) data collection: particle diameter and fall velocity measurements from a UK-wide network of disdrometers and supporting measurements from Chilbolton",
    "abstract": "Starting in February 2017, a network of 14 Thies™ manufactured Laser Precipitation Monitors (LPMs) were installed at various locations around the United Kingdom to create the Disdrometer Verification Network (DiVeN). The instruments were installed for verification of radar hydrometeor classification algorithms but are valuable for much wider use in the scientific and operational meteorological community. See dataset for further details.\r\n\r\nThis collection not only holds the disdrometer data collected for the DiVeN project, but links to supporting observations from the Chilbolton Facility for Radio Research (CFARR) in Hampshire made use of by the project.",
    "keywords": "disdrometer, rainfall, precipitation, verification, hydrometeors",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2019-10-31T14:28:44",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3482/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3489/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3531/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3611/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27596/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118330/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118325/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118326/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118327/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118328/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118329/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118332/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118333/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118324/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118331/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118334/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118335/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118336/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118337/?format=api"
    ]
}