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/1075/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 1075,
    "uuid": "106eccb296d2729af8612541156a5f29",
    "title": "Airborne Southern Hemisphere Ozone Experiment (ASHOE) / Measurement for Assessing the Effects of Stratospheric Aircraft (MAESA): In-situ Airborne and Ground-based and Remotely Sensed Atmospheric Measurements",
    "abstract": "This CD-ROM contains data from the combined experiment: Airborne Southern Hemisphere Ozone Experiment; and Measurements for Assessing the Effects of Stratospheric Aircraft (ASHOE/MAESA). This experiment was conducted in four phases between March and November 1994 at NASA Ames Research Center, California; Barbers Point, Hawaii; and Christchurch, New Zealand. Most of the data are essentially in their final form, but additional calibrations are being done for some instruments. A second edition incorporating any changes to the datasets is anticipated in mid 1996.\r\n\r\nThe data consist of in situ and remotely sensed measurements collected onboard the NASA ER-2 aircraft (including O3, H2O, N2O, CO2, CH4, CO, H2, SF6 and a wide range of CFCs); radiosonde, ozonesonde, and backscatter sonde balloon measurements; ground-based spectrometer and lidar measurements; and SAGE II satellite measurements. Theory teams provided calculations of: meteorological parameters in the form of partial hemispheric analyses, cross-sections along the ER-2 flight track, interpolations to the ER-2 flight path, and back- trajectories of selected parcels along the ER-2 flight path; photodissociation rates of selected chemical species along the ER-2 flight path; and cloud properties along the ER-2 flight track.",
    "keywords": "ASHOE, MAESA, Atmosphere",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "1995-12-10T02:19:32",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/1128/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/1134/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/1159/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/1163/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/1171/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/1175/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13875/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/801/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/802/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/10269/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/12883/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41230/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3423/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3424/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3425/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3429/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41187/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3421/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3422/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41188/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41189/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41190/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41191/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41192/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41193/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41194/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41195/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41196/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41197/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41198/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41199/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41200/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41201/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41202/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41203/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41204/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41205/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41206/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41207/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41208/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41209/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41210/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41211/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41212/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41213/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41214/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41215/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41216/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41217/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41218/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41219/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41220/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41221/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41222/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41223/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41224/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41225/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41226/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41227/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41228/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41229/?format=api"
    ]
}