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/27901/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 27901,
    "names": [
        {
            "ob_id": 21584,
            "name": "Total Nitrogen Lost to the Atmosphere (Including NHx, NOx, N2O, N2) from All Processes Except Fire"
        },
        {
            "ob_id": 21585,
            "name": "surface_upward_mass_flux_of_nitrogen_compounds_expressed_as_nitrogen_due_to_all_land_processes_excluding_fires"
        }
    ],
    "terms": [
        {
            "ob_id": 2294,
            "label": "units",
            "value": "kg m-2 s-1",
            "vocabulary": ""
        },
        {
            "ob_id": 30421,
            "label": "long_name",
            "value": "Total Nitrogen Lost to the Atmosphere (Including NHx, NOx, N2O, N2) from All Processes Except Fire",
            "vocabulary": ""
        },
        {
            "ob_id": 30422,
            "label": "standard_name",
            "value": "surface_upward_mass_flux_of_nitrogen_compounds_expressed_as_nitrogen_due_to_all_land_processes_excluding_fires",
            "vocabulary": ""
        },
        {
            "ob_id": 30423,
            "label": "var_id",
            "value": "fNgasNonFire",
            "vocabulary": ""
        }
    ]
}