TY - Data T1 - Monthly mean value of carbon monoxide bottle sampling at Waliguan atmospheric background station, Qinghai Province, 1990-2014 A1 - Zhang Xiaochun DO - 10.12072/ncdc.cgawbo.db2930.2023 PY - 2020 DA - 2020-12-16 PB - National Cryosphere Desert Data Center AB - Located in Gonghe County, Hainan prefecture, Qinghai Province, China, Waliguan global atmospheric background station is one of the 29 atmospheric background reference stations of the World Meteorological Organization global atmospheric observation system, and the only atmospheric background observation station in the hinterland of the northern hemisphere. Its observation results can represent the atmospheric greenhouse gas concentration and its change in the mid latitude inland area of the northern hemisphere. This data set includes the monthly average data set of carbon monoxide bottle sampling in Waliguan from 1990 to 2014. Unit: ppb DB - NCDC UR - http://www.ncdc.ac.cn/portal/metadata/fce2b130-0d1c-11e6-af40-5cc5d45ad3ae ER -