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/3603/?format=api
{ "ob_id": 3603, "uuid": "d8f637d7cd62db09b2d1720a3117bd23", "title": "Chilbolton Facility for Atmospheric and Radio Research (CFARR) Grimm Optical Particle Counter data", "abstract": "The Chilbolton Facility for Atmopsheric and Radio Research's aerosol particle concentration measurements are provided by a 164DM environmental dust monitor manufactured by Grimm Aerosol Technik. A Lufft WS500 weather station is incorporated into the instrument to provide co-located meteorological measurements. Alternatively, particle mass concentrations can be produced as PM1, PM2.5 and PM10 measurements. The instrument measures the size and number density of aerosol molecules by using a 0.5m vertical inlet to suck ambient air into a measurement chamber. The scattering of a laser beam transmitted through the chamber is used to deduce size and concentration information. It is operated continuously on the roof of a cabin at a height of 8m above ground at the Chilbolton Observatory site. Measurements are taken every 60s, providinga erosol particle concentration (counts/m3) in 31 size bins in the range 0.265-34.0 um, air temperature, relative humidity, air pressure, wind speed and wind direction. The instrument is calibrated every 18 months by the manufacturer", "keywords": "CFARR, particle counter", "publicationState": "published", "dataPublishedTime": "2013-10-14T15:40:20", "doiPublishedTime": null, "updateFrequency": "continual", "status": "ongoing", "result_field": { "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/3604/?format=api", "dataPath": "/badc/chilbolton/data/grimm", "oldDataPath": [], "storageLocation": "internal", "storageStatus": "online", "volume": 392513499, "numberOfFiles": 1797, "fileFormat": "Data are netCDF formatted." }, "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/1028/?format=api", "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/64/?format=api", "nonGeographicFlag": false, "phenomena": [ "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/22455/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50512/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54762/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54763/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/54764/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/57531/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/57532/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/57533/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/57534/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/57535/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/57536/?format=api" ], "dataLineage": "Data are collected by 4 radar systems, of which the largest is the 3 GHz Doppler radar (CAMRa), and 4 lidar systems, at Chilbolton Observatory, Hampshire.\r\nData are prepared by Chilbolton Facility for Atmospheric and Radio Research (CFARR) staff prior to submission to BADC for archiving.", "removedDataTime": null, "removedDataReason": "", "language": "English", "identifier_set": [ "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/2445/?format=api" ], "projects": [ "https://api.catalogue.ceda.ac.uk/api/v2/projects/3464/?format=api" ], "observationcollection_set": [ "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/3461/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/7378/?format=api" ], "responsiblepartyinfo_set": [ "https://api.catalogue.ceda.ac.uk/api/v2/rpis/15187/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/15192/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/15186/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/15189/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/15190/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/15191/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/15193/?format=api", "https://api.catalogue.ceda.ac.uk/api/v2/rpis/15188/?format=api" ], "procedureAcquisition": "https://api.catalogue.ceda.ac.uk/api/v2/acquisitions/3606/?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": [ { "ob_id": 1138, "name": "NDGO0003" } ] }