Get a list of Observation objects.

### Available end points:

- `/observations/` - Will list all Results in the database
- `/observations.json` - Will return all Results in json format. This can
also be achieved by using the accept header. `application/json`
- `/observations/<object_id>/` - Returns Results object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `title`
- `uuid`
- `keywords`
- `status`
- `result_field`
- `discoveryKeywords`
- `updateFrequency`
- `nonGeographicFlag`
- `publicationState`
- `permissions`

### How to use filters:

These filters can be used like django query filters using __ for related model relationships.

- `/observations/?uuid=d594d53df2612bbd89c2e0e770b5c1a0`
- `/observations/?status=completed`
- `/observations/?results_field__dataPath__startswith=/neodc/esacci`
- `/observations/?discoveryKeywords__name=ESACCI`
- `/observations/?nonGeographicFlag=True`

Filters can be stacked to build an 'AND' relationship. E.g.

- `/observations/?publicationState__in=published,citable&nonGeographicFlag=True`
- `/observations/?publicationState__in=published,citable&discoveryKeyword__name=NDGO0003`

GET /api/v2/observations/12391/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 12391,
    "uuid": "0192c72e48734d838e85dd8ffbd5ab43",
    "title": "Model for Interdisciplinary Research on Climate (MIROC) 5.2 model output prepared for APPOSITE control experiment",
    "abstract": "Atmosphere and Ocean components;  Frequency: daily and monthly  \r\n\r\nVariables Atmosphere daily:\r\ntas  uas  vas  zg500\r\n\r\nVariables Atmosphere monthly:\r\ncl   clt  evspsbl  hfss  hus  prc   prw  rlds  rlut    rsds    rsdt  rsuscs  rsutcs   snc  ta   tauu  ua   va   wap cli  clw  hfls     hurs  pr   prsn  psl  rlus  rlutcs  rsdscs  rsus  rsut    sfcWind  snw  tas  tauv  uas  vas  zg500\r\n\r\nVariables Ocean daily:\r\nsic  sit  smelt  snd  tmelt  transix  transiy  tsice  usi  vsi\r\n\r\nVariables Ocean monthly:\r\nfriver  mlotst  msftmyza  msftmyzg  msftmyzp  rhopoto  sic  sit  smelt  snd  so  sos  thetao  tmelt  tos  transix  transiy  tsice  uo  usi  vo  vsi",
    "keywords": "APPOSITE control MIROC5.2 model arctic",
    "publicationState": "published",
    "dataPublishedTime": "2015-06-23T03:06:43",
    "doiPublishedTime": null,
    "updateFrequency": "",
    "status": "completed",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/12392/?format=api",
        "dataPath": "/badc/apposite/data/MIROC5-2/ctrl",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 312448716081,
        "numberOfFiles": 7403,
        "fileFormat": "NetCDF"
    },
    "timePeriod": null,
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/1/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6021/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6022/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6023/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6255/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11044/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11045/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11046/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11047/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50416/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50418/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50419/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50420/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50422/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50424/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50425/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50427/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50429/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50431/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50475/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50496/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50498/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50549/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50551/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50552/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50553/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50554/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50555/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50557/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50559/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50561/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50566/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50568/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50569/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50570/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50579/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50583/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50586/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50587/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50588/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50589/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50590/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50595/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50596/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50598/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50599/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50600/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52741/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52746/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52747/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52753/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52755/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53107/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53109/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53110/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53111/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53112/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53130/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53131/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53137/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53138/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53142/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54061/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54062/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54228/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54336/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54338/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54339/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54806/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/57953/?format=api",
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        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61066/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61071/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61492/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61493/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61494/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61495/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61496/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61497/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61498/?format=api"
    ],
    "dataLineage": "Supplied model data ingested as is in the CEDA Archive.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/8387/?format=api"
    ],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/11971/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/11700/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/47288/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/47284/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/47291/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/47286/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/47287/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/47289/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/47290/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/47285/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54767/?format=api"
    ],
    "procedureAcquisition": null,
    "procedureCompositeProcess": null,
    "procedureComputation": null,
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2526/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "public",
            "accessRoles": null,
            "label": "public: None group",
            "licenceURL": "http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
            "licenceClassifications": "any"
        }
    ],
    "discoveryKeywords": [
        {
            "ob_id": 1138,
            "name": "NDGO0003"
        }
    ]
}