{"ob_id":25428,"uuid":"22241af0eb934cd7bfb1ae7418ad7c9e","title":"APHH: Atmospheric nitrous acid (HONO) measurements made at the IAP-Beijing site during the summer and winter campaigns","abstract":"This dataset contains atmospheric nitrous acid (HONO) measurements made at the IAP-Beijing site during the summer and winter APHH-Beijing campaign for the Atmospheric Pollution & Human Health in a Chinese Megacity (APHH) programme.\r\n\r\nHONO data was obtained using a commercial (QUMA) Long Path Absorption Photometer (LOPAP) instrument and calibrated using liquid nitrite standards. Data are averaged over 5 mins, the time stamp represents the start time of each averaging period. Missing data are either due to baseline measurements, calibrations or instrument malfunction. They are not retrievable.","keywords":"HONO, China, LOPAP, APHH","publicationState":"citable","dataPublishedTime":"2018-01-11T12:07:14","doiPublishedTime":"2019-12-13T14:39:23","updateFrequency":"notPlanned","status":"completed","result_field":{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/25431/?format=json","dataPath":"/badc/aphh/data/beijing/birm-gas","oldDataPath":[],"storageLocation":"internal","storageStatus":"online","volume":1118698,"numberOfFiles":11,"fileFormat":"Data are NASA Ames formatted"},"timePeriod":"https://catalogue.ceda.ac.uk/api/v2/times/6882/?format=json","geographicExtent":"https://catalogue.ceda.ac.uk/api/v2/bboxes/1856/?format=json","nonGeographicFlag":false,"phenomena":["https://catalogue.ceda.ac.uk/api/v2/phenomona/94596/?format=json"],"dataLineage":"Data produced by APHH project participants at University of Birmingham and uploaded to CEDA archive","removedDataTime":null,"removedDataReason":"","language":"English","identifier_set":["https://catalogue.ceda.ac.uk/api/v2/identifiers/10668/?format=json"],"projects":["https://catalogue.ceda.ac.uk/api/v2/projects/24808/?format=json"],"observationcollection_set":["https://catalogue.ceda.ac.uk/api/v2/observationcollections/24817/?format=json"],"responsiblepartyinfo_set":["https://catalogue.ceda.ac.uk/api/v2/rpis/105679/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105676/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105677/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105678/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105680/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105681/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105682/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105683/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105675/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105684/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105693/?format=json"],"procedureAcquisition":"https://catalogue.ceda.ac.uk/api/v2/acquisitions/25430/?format=json","procedureCompositeProcess":null,"procedureComputation":null,"permissions":[{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/2522/?format=json","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, attribution required"}],"discoveryKeywords":[{"ob_id":1138,"name":"NDGO0003"}]}