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/13137/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 13137,
    "uuid": "99c2f097e6a04a72983912752e1098d4",
    "title": "SPECS - IPSL-CM5A-LR model output prepared for SPECS decadal (1961-2013)",
    "abstract": "This dataset includes the IPSL-CM5A-LR model output prepared for SPECS seasonal (1961-2013). These data were prepared by the Institut Pierre Simon Laplace (Paris, France), as part of the SPECS project. \r\n      \r\nModel id is IPSL-CM5A-LR (IPSL-CM5A-LR (2010) : atmos : LMDZ4 (LMDZ4_v5, 96x95x39); ocean : ORCA2 (NEMOV2_3, 2x2L31); seaIce : LIM2 (NEMOV2_3); ocnBgchem : PISCES (NEMOV2_3); land : ORCHIDEE (orchidee_1_9_4_AR5)), frequency is daily and monthly. \r\n\r\nDaily Atmospheric variables are:\r\nclt  pr  psl  rls  rlut  rsds  ta  tas  tasmax  tasmin  uas  vas  zg\r\n\r\nFixed Atmospheric variables are:\r\nsftlf\r\n\r\nFixed Land variables are:\r\nsftgif\r\n\r\nFixed Ocean variables are:\r\ngoro\r\n\r\nMonthly atmos variables:\r\nal   hfls  pr   rls   rsds  rss   ta   tasmax  uas  zg\r\nclt  hfss  psl  rlut  rsdt  rsut  tas  tasmin  vas\r\n\r\nMonthly ocean variables:\r\nhfnorth   hfnorthba  msftmyz   msftmyzba  sltnortha  t20d    tos  vo\r\nhfnortha  mlotst     msftmyza  sltnorth   sos        thetao  uo\r\n\r\nMonthly land variables:\r\nmrso\r\n\r\nMonthly SeaIce variables:\r\nsic  sit  snld",
    "keywords": "specs, IPSL, climate, model, decadal",
    "publicationState": "published",
    "dataPublishedTime": "2015-09-25T19:40:02",
    "doiPublishedTime": null,
    "updateFrequency": "notPlanned",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/13138/?format=api",
        "dataPath": "/badc/specs/data/SPECS/output/IPSL/IPSL-CM5A-LR/decadal",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 408635766681,
        "numberOfFiles": 8562,
        "fileFormat": "NetCDF4"
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/3570/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/528/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6019/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6020/?format=api",
        "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/6087/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6092/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6093/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6255/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6506/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/6818/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7767/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7769/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7771/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7772/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7773/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7776/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7777/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7778/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/7899/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/8230/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/8231/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/9727/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/9746/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/9754/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/9756/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/10410/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/10411/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11040/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11042/?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/11058/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11077/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11078/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11196/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11197/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11198/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11410/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11411/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11414/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11415/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11416/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11417/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11418/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11419/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11421/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11422/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11424/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11425/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11426/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/11427/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/12586/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/12587/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/12588/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/12589/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/12590/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/12591/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/12593/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/12594/?format=api"
    ],
    "dataLineage": "Data were supplied by SPECS participants to CEDA for archiving in 2015.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/8535/?format=api"
    ],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/12970/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/6086/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50310/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50314/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50307/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50309/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50311/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50312/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50313/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50308/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54777/?format=api"
    ],
    "procedureAcquisition": null,
    "procedureCompositeProcess": null,
    "procedureComputation": null,
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2528/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "public",
            "accessRoles": null,
            "label": "public: None group",
            "licenceURL": "http://creativecommons.org/licenses/by/4.0/",
            "licenceClassifications": "any"
        }
    ],
    "discoveryKeywords": [
        {
            "ob_id": 1138,
            "name": "NDGO0003"
        },
        {
            "ob_id": 1139,
            "name": "CLIPC"
        }
    ]
}