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/41059/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 41059,
    "uuid": "39f15efce1d748c584c4056ed0eb9669",
    "title": "Total Carbon Column Observing Network (TCCON): All network sites",
    "abstract": "This repository is a mirror from the Caltech TCCON data repository located at https://tccondata.org/. This mirror is part of CEDA to facilitate JASMIN integration of the dataset.\r\n\r\nThe current Data Use Policy is available at  https://tccon-wiki.caltech.edu/Main/DataUsePolicy\r\nSee project page for more details.",
    "keywords": "TCCON, Greenhouse gases, carbon dioxide, methane, carbon monoxide, nitrous oxide, ground-based, atmospheric trace gases, column-averaged dry-air mole fractions, remote sensing, FTIR spectroscopy",
    "discoveryKeywords": [],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40968/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40969/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40971/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40972/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40978/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40979/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40980/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40981/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40982/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40983/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40984/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40985/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40986/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40987/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40988/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40993/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40994/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40995/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40996/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40999/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41000/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41001/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41002/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41003/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41004/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41005/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41006/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41007/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41008/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41009/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41010/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41011/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41012/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/43122/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199743/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199745/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199746/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199744/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199748/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199741/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199742/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/199747/?format=api"
    ]
}