Observation Instance – Django REST framework

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/43434/?format=api

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 43434,
    "uuid": "98692ec457ee431cacc4027820e46411",
    "title": "Aboveground carbon (AGC) drone imagery and field data for Kaboi Lake  2021",
    "abstract": "Drone imagery and field data for aboveground carbon (AGC) measurements at Kaboi Lake, Sabah, Malaysia. \r\nData consist of 597 jpeg files of a small forest stand collected by a drone and one csv for field measurements of 24 tree heights. \r\nDrone imagery covering the 2 ha site was collected in March 2021, with field data collected concurrently. \r\nThe drone used was a DJI Phantom 4 Pro V2.0 quadcopter equipped with a 20 megapixel optical camera. \r\nThe data were used to compare drone- and field-based measurements of AGC over small sites, and to inform best practices for calculating baseline AGC for small-scale, community-based forest restoration projects. \r\nData were collected by members of Cardiff University and the Danau Girang Field Centre. Data interpretation by B Newport, University of Bristol.",
    "keywords": "Drone,Carbon,Structure-from-Motion,Aboveground carbon,Forest",
    "publicationState": "citable",
    "dataPublishedTime": "2025-02-11T18:33:05",
    "doiPublishedTime": "2025-02-11T18:33:33.463875",
    "updateFrequency": "notPlanned",
    "status": "completed",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/43465/?format=api",
        "dataPath": "/badc/deposited2025/Kaboi_Lake_drone_imagery/",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 4611244664,
        "numberOfFiles": 599,
        "fileFormat": "BADC-CSV and JPEG format"
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/12031/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/4688/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [],
    "dataLineage": "Drone imagery collected using a DJI Phantom 4 Pro V2.0 quadcopter on 22nd March 2021. Field measurements collected concurrently. csv created by B Newport.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/13239/?format=api"
    ],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/43463/?format=api"
    ],
    "observationcollection_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206761/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206762/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206763/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206764/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206765/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206766/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206767/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206933/?format=api"
    ],
    "procedureAcquisition": "https://api.catalogue.ceda.ac.uk/api/v2/acquisitions/43436/?format=api",
    "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": []
}