Observation Instance
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/37946/?format=api
{ "ob_id": 37946, "uuid": "e0f62422d38d419ca9384e017d351acc", "title": "Number Concentration of Ambient Aerosol Particles in Air Data from Cloud Particle Condenser Instrument at Manchester Air Quality Site, 2019 onwards.", "abstract": "Number concentration of ambient aerosol particles in air data measured at 7m above ground level by Cloud Particle Condenser (CPC) Instruments at at the Manchester Air Quality Site (MAQS) for the Integrated Research Observation System for Clean Air (OSCA) project.\r\n\r\nCloud Particle Condenser instrument 3750 was used (June 2019 - February 2021 and December 2021 - February 2022) and was switched over to Cloud Particle Condenser instrument 3772 (February - December 2021)", "keywords": "CPC, OSCA, maqs, air quality, OSCA-AQ", "publicationState": "published", "dataPublishedTime": "2023-01-19T12:04:10", "doiPublishedTime": null, "updateFrequency": "monthly", "status": "ongoing", "result_field": { "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/37942/?format=api", "dataPath": "/badc/osca/data/manchester/OSCA_MAQS_CPC_aerosol_conc", "oldDataPath": [], "storageLocation": "internal", "storageStatus": "online", "volume": 181804451, "numberOfFiles": 119, "fileFormat": "NetCDF and CSV format" }, "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/10478/?format=api", "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/3602/?format=api", "nonGeographicFlag": false, "phenomena": [ "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/58082/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/58083/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/65554/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/65555/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/65556/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/65557/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/65558/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/65564/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/65565/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/65566/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/65996/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/65997/?format=api" ], "dataLineage": "Data are collected by the project team and transferred directly from the instrument to the computer database, before being transferred to the general database, where it is processed, averaged over minute time intervals and flagged where data is suspect.Data processing software found in: https://github.com/ncasuk/AMF_CVs/releases/tag/v1.0.0\r\nData obtained from 3750 CPC for June 2019 - February 2021 and December 2021 - February 2022\r\nData obtained from 3772 CPC for February - September 2021\r\nIntercomparison between CPCs Data obtained from 3750 CPC and 3772 CPC.\r\nOnce complete, data are uploaded to CEDA for archiving.", "removedDataTime": null, "removedDataReason": "", "language": "English", "identifier_set": [], "projects": [ "https://api.catalogue.ceda.ac.uk/api/v2/projects/37963/?format=api" ], "observationcollection_set": [ "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/37907/?format=api" ], "responsiblepartyinfo_set": [ "https://api.catalogue.ceda.ac.uk/api/v2/rpis/181126/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/181127/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/181128/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/181129/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/181130/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/181125/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/181135/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/181136/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/181137/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/181138/?format=api" ], "procedureAcquisition": "https://api.catalogue.ceda.ac.uk/api/v2/acquisitions/37949/?format=api", "procedureCompositeProcess": null, "procedureComputation": null, "permissions": [ { "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2522/?format=api", "useLimitation": null, "accessConstraints": null, "accessCategory": "registered", "accessRoles": null, "label": "registered: None group", "licenceURL": "http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/", "licenceClassifications": "any" } ], "discoveryKeywords": [] }