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/13522/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 13522,
    "uuid": "251474c7b09449d8b9e7aeaf1461858f",
    "title": "HadISDH: global surface humidity data",
    "abstract": "HadISDH (Integrated Surface Database Humidity) is a monthly 5° by 5° gridded global surface humidity climate monitoring dataset created from in-situ sub-daily synoptic data. The data have been quality controlled and homogenised (land), bias adjusted (marine) and buddy checked (marine). \r\n\r\nMonthly mean climate anomalies are provided alongside uncertainty estimates, actual values, climatological means and standard deviations for specific humidity, relative humidity, vapour pressure, dew point temperature, wet bulb temperature, dew point depression in addition to the simultaneously observed temperature.",
    "keywords": "HadISDH, humidity, surface, land, marine, blend, gridded, station, specific humidity, relative humidity, temperature, dew point temperature, wet bulb temperature, dew point depression, vapour pressure, in-situ",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2016-07-28T07:19:30",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13528/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19171/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20359/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25974/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30290/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30531/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30532/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30533/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/32371/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/32372/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/32373/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/37289/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/37290/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/37291/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40166/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40168/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40618/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40621/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41766/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41767/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41768/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41769/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44269/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44293/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44294/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44295/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/8591/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/51654/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/51653/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/51684/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105383/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105399/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105426/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105450/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132119/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/51685/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168081/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132120/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132121/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168082/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168083/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132122/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132123/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132124/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132125/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132126/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132127/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132128/?format=api"
    ]
}