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/?format=api&offset=31200
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 53229,
    "next": "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/?format=api&limit=100&offset=31300",
    "previous": "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/?format=api&limit=100&offset=31100",
    "results": [
        {
            "ob_id": 65576,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69354,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Ca_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69355,
                    "label": "standard_name",
                    "value": "mass_concentration_of_ca_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69356,
                    "label": "long_name",
                    "value": "Mass concentration of the Calcium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65577,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69357,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Cl_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69358,
                    "label": "standard_name",
                    "value": "mass_concentration_of_cl_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69359,
                    "label": "long_name",
                    "value": "Mass concentration of the Chlorine component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65578,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69360,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Cr_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69361,
                    "label": "standard_name",
                    "value": "mass_concentration_of_cr_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69362,
                    "label": "long_name",
                    "value": "Mass concentration of the Chromium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65579,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69363,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Cu_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69364,
                    "label": "standard_name",
                    "value": "mass_concentration_of_cu_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69365,
                    "label": "long_name",
                    "value": "Mass concentration of the Copper component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65580,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69366,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Fe_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69367,
                    "label": "standard_name",
                    "value": "mass_concentration_of_fe_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69368,
                    "label": "long_name",
                    "value": "Mass concentration of the Iron component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65581,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69369,
                    "label": "var_id",
                    "value": "Mass_Conc_of_K_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69370,
                    "label": "standard_name",
                    "value": "mass_concentration_of_k_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69371,
                    "label": "long_name",
                    "value": "Mass concentration of the Potassium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65582,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69372,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Mn_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69373,
                    "label": "standard_name",
                    "value": "mass_concentration_of_mn_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69374,
                    "label": "long_name",
                    "value": "Mass concentration of the Manganese component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65583,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69375,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Ni_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69376,
                    "label": "standard_name",
                    "value": "mass_concentration_of_ni_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69377,
                    "label": "long_name",
                    "value": "Mass concentration of the Nickel component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65584,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69378,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Pb_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69379,
                    "label": "standard_name",
                    "value": "mass_concentration_of_pb_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69380,
                    "label": "long_name",
                    "value": "Mass concentration of the Lead component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65585,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69381,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Pd_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69382,
                    "label": "standard_name",
                    "value": "mass_concentration_of_pd_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69383,
                    "label": "long_name",
                    "value": "Mass concentration of the Palladium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65586,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69384,
                    "label": "var_id",
                    "value": "Mass_Conc_of_S_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69385,
                    "label": "standard_name",
                    "value": "mass_concentration_of_s_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69386,
                    "label": "long_name",
                    "value": "Mass concentration of the Sulfur component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65587,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69387,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Sb_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69388,
                    "label": "standard_name",
                    "value": "mass_concentration_of_sb_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69389,
                    "label": "long_name",
                    "value": "Mass concentration of the Antimony component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65588,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69390,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Se_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69391,
                    "label": "standard_name",
                    "value": "mass_concentration_of_se_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69392,
                    "label": "long_name",
                    "value": "Mass concentration of the Selenium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65589,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69393,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Si_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69394,
                    "label": "standard_name",
                    "value": "mass_concentration_of_si_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69395,
                    "label": "long_name",
                    "value": "Mass concentration of the Silicon component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65590,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69396,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Sr_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69397,
                    "label": "standard_name",
                    "value": "mass_concentration_of_sr_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69398,
                    "label": "long_name",
                    "value": "Mass concentration of the Strontium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65591,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69399,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Te_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69400,
                    "label": "standard_name",
                    "value": "mass_concentration_of_te_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69401,
                    "label": "long_name",
                    "value": "Mass concentration of the Tellurium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65592,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69402,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Ti_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69403,
                    "label": "standard_name",
                    "value": "mass_concentration_of_ti_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69404,
                    "label": "long_name",
                    "value": "Mass concentration of the Titanium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65593,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69405,
                    "label": "var_id",
                    "value": "Mass_Conc_of_V_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69406,
                    "label": "standard_name",
                    "value": "mass_concentration_of_v_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69407,
                    "label": "long_name",
                    "value": "Mass concentration of the Vanadium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65594,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69408,
                    "label": "var_id",
                    "value": "Mass_Conc_of_Zn_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69409,
                    "label": "standard_name",
                    "value": "mass_concentration_of_zn_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69410,
                    "label": "long_name",
                    "value": "Mass concentration of the Zinc component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65595,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69411,
                    "label": "var_id",
                    "value": "Uncertainty_of_Ag_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69412,
                    "label": "standard_name",
                    "value": "uncertainty_of_ag_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69413,
                    "label": "long_name",
                    "value": "Uncertainty of the Silver component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65596,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69414,
                    "label": "var_id",
                    "value": "Uncertainty_of_Al_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69415,
                    "label": "standard_name",
                    "value": "uncertainty_of_Al_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69416,
                    "label": "long_name",
                    "value": "Uncertainty of the Aluminium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65597,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69417,
                    "label": "var_id",
                    "value": "Uncertainty_of_As_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69418,
                    "label": "standard_name",
                    "value": "uncertainty_of_As_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69419,
                    "label": "long_name",
                    "value": "Uncertainty of the Arsenic component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65598,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69420,
                    "label": "var_id",
                    "value": "Uncertainty_of_Ba_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69421,
                    "label": "standard_name",
                    "value": "uncertainty_of_Ba_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69422,
                    "label": "long_name",
                    "value": "Uncertainty of the Barium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65599,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69423,
                    "label": "var_id",
                    "value": "Uncertainty_of_Br_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69424,
                    "label": "standard_name",
                    "value": "uncertainty_of_Br_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69425,
                    "label": "long_name",
                    "value": "Uncertainty of the Bromine component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65600,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69426,
                    "label": "var_id",
                    "value": "Uncertainty_of_Ca_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69427,
                    "label": "standard_name",
                    "value": "uncertainty_of_Ca_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69428,
                    "label": "long_name",
                    "value": "Uncertainty of the Calcium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65601,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69429,
                    "label": "var_id",
                    "value": "Uncertainty_of_Cl_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69430,
                    "label": "standard_name",
                    "value": "uncertainty_of_Cl_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69431,
                    "label": "long_name",
                    "value": "Uncertainty of the Chlorine component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65602,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69432,
                    "label": "var_id",
                    "value": "Uncertainty_of_Cr_PM2p5",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69433,
                    "label": "standard_name",
                    "value": "uncertainty_of_Cr_in_pm2p5_ambient_aerosol_particles_in_air",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69434,
                    "label": "long_name",
                    "value": "Uncertainty of the Chromium component in PM2.5 ambient aerosol particles in air",
                    "vocabulary": ""
                }
            ]
        },
        {
            "ob_id": 65603,
            "names": [],
            "terms": [
                {
                    "ob_id": 126,
                    "label": "units",
                    "value": "ug m-3",
                    "vocabulary": ""
                },
                {
                    "ob_id": 69435,
                    "label": "var_id",
                    "value": "Uncertainty_of_Cu_PM2p5",
                    "vocabulary": ""
                },
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            ]
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                    "label": "long_name",
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            "ob_id": 65645,
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                    "ob_id": 31976,
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            "ob_id": 65656,
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            "ob_id": 65676,
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