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/39943/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 39943,
    "uuid": "5011d22aae5a4671b0cbc7d05c56c4f0",
    "title": "ESA Ocean Colour Climate Change Initiative (Ocean_Colour_cci): Version 6.0, 4km resolution data",
    "abstract": "This collection contains version 6.0 datasets at 4km resolution produced by the Ocean Colour project of the ESA Climate Change Inititative (CCI).  The Ocean Colour CCI is producing long-term multi-sensor time-series of satellite ocean-colour data with a particular focus for use in climate studies.\r\n\r\nData products being produced include: phytoplankton chlorophyll-a concentration; remote-sensing reflectance at six wavelengths; total absorption and backscattering coefficients; phytoplankton absorption coefficient and absorption coefficients for dissolved and detrital material; and the diffuse attenuation coefficient for downwelling irradiance for light of wavelength 490 nm.   Information on uncertainties is also provided.\r\n\r\nThis dataset collection refers to the Version 6.0 of the 4km resolution data products held in the CEDA archive covering the period 1997-2022.   Links to the individual datasets that make up this collection are given in the record below.",
    "keywords": "ESA, Ocean Colour, CCI, ECV",
    "discoveryKeywords": [
        1140
    ],
    "publicationState": "citable",
    "dataPublishedTime": "2023-08-01T09:30:05",
    "doiPublishedTime": "2023-08-08T16:21:49",
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39942/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39945/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39947/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39949/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39959/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39961/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39963/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39965/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39967/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39969/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39971/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/12673/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194418/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194419/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194420/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194421/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194414/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194415/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194416/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194417/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194422/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194423/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194424/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194425/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194426/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194427/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194428/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194429/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194430/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194431/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194432/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194433/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194434/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194435/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194436/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194437/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194438/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194439/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194440/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194441/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194442/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194443/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194444/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194445/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194446/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/194447/?format=api"
    ]
}