Get a list of Phenomenon objects. Phenomena have many to many mapping with Observations.

### Available end points:

- `/phenomena/` - Will list all phenomena in the database
- `/phenomena.json` - Will return all phenomena in json format
- `/phenomena/<object_id>/` - Returns phenomena object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `names`
- `terms`


### How to use filters:

`/phenomena/?names__name__contains=sea`

`/phenomena.json?terms__vocabulary=cf_standard_names`

GET /api/v2/phenomona/25939/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 25939,
    "names": [
        {
            "ob_id": 16136,
            "name": "Ice Extent"
        },
        {
            "ob_id": 16137,
            "name": "http://vocab.ndg.nerc.ac.uk/term/P141/4/GVAR0400"
        }
    ],
    "terms": [
        {
            "ob_id": 22897,
            "label": "long_name",
            "value": "Ice Extent",
            "vocabulary": ""
        },
        {
            "ob_id": 22899,
            "label": "gcmd_url",
            "value": "http://vocab.ndg.nerc.ac.uk/term/P141/4/GVAR0400",
            "vocabulary": ""
        },
        {
            "ob_id": 28342,
            "label": "gcmd_keyword",
            "value": "Ice Extent",
            "vocabulary": "gcmd_keyword"
        }
    ]
}