本数据为1994年1月1日-2016年12月31日中国大气本底基准观象台甲烷浓度连续变化观测数据单位为ppb。中国瓦里关大气本底基准观象台始建于1994年，位于青藏高原，东经100°54’E，北纬36°17’N，海拔3810米，是全球最高的大气本底基准监测站，也是世界上第一个设在大陆腹地的大气本底基准监测站，它的建立填补了全球大气监测网(GAW)在欧亚大陆内的空白。
", "ds_source": "瓦里关大气本底基准观象台由中国政府和全球环境基金联合投资建设，并由中国气象局负责运行管理。以温室气体和大气臭氧监测为主的综合大气本底基准监测；《2014年中国温室气体公报》显示，2014年青海瓦里关全球大气本底站大气中的3种主要温室气体（二氧化碳、甲烷和氧化亚氮）的年平均浓度分别升至398.7ppm、1893ppb和327.9ppb，高于同期全球平均值，但与北半球中纬度地区平均浓度大体相当，均创下了1990年建站以来的新高。
", "ds_process_way": "", "ds_quality": "本数据在获取处理各阶段均有专业人员负责，数据质量良好。
", "ds_acq_start_time": "1994-01-01 00:00:00", "ds_acq_end_time": "2016-12-31 00:00:00", "ds_acq_place": "中国青藏高原瓦里关大气本底基准观象台", "ds_acq_lon_east": 100.51666666666667, "ds_acq_lat_south": 36.166666666666664, "ds_acq_lon_west": 100.53305555555555, "ds_acq_lat_north": 36.183055555555555, "ds_acq_alt_low": 3816.0, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 1215488, "ds_files_count": 2, "ds_format": "Excel表格", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "20ed4194-13b3-4af8-92ed-d1172d59f878.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "使用本数据时，请在发表的成果中，标注我单位名称：\"中国大气本底基准观象台\"并在明显位置致谢。", "ds_from_station": null, "organization_id": "9f64cd38-43f0-44f5-98ed-babecf7ca11a", "ds_serv_man": "王剑琼", "ds_serv_phone": "0974-8541504", "ds_serv_mail": "killer_meihua@163.com", "doi_value": "", "subject_codes": null, "quality_level": 3, "publish_time": "2020-12-16 17:49:40", "last_updated": "2023-08-23 17:04:04", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.CGAWBO.2020.27", "i18n": { "en": { "title": "Continuous change data of methane concentration in Waliguan, Qinghai, 1994-2016", "ds_format": "", "ds_source": "Waliguan atmospheric background reference Observatory is jointly invested and constructed by the Chinese government and the global environment facility, and operated and managed by the China Meteorological Administration. According to the 2014 China greenhouse gas bulletin, the annual average concentrations of three major greenhouse gases (carbon dioxide, methane and nitrous oxide) in the atmosphere of Waliguan Global Atmospheric Background Station in 2014 increased to 398.7ppm, 1893ppb and 327.9ppb, respectively, higher than the global average of the same period, but lower than the northern half The average concentration in the mid latitude area is about the same, which is the highest since the establishment of the station in 1990.
", "ds_quality": "The quality of the data is good.
", "ds_ref_way": "", "ds_abstract": "This data is the observation data of China's atmospheric background reference observatory. This data set is methane concentration data from January 1, 1994 to December 31, 2016. Unit: ppb
", "ds_time_res": "日", "ds_acq_place": "Atmospheric background reference observatory at Waliguan, Qinghai Tibet Plateau, China", "ds_space_res": "", "ds_projection": "", "ds_process_way": "", "ds_ref_instruction": " \nWhen using this data, please mark the name of our company in the published results: \"China atmospheric background reference Observatory\" and thank you in an obvious position." } }, "submit_center_id": "ncdc", "data_level": 0, "recommendation_value": 0, "license_type": "https://creativecommons.org/licenses/by/4.0/", "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "is_paper_in_submitting": false, "ds_topic_tags": [ "甲烷，大气本底，温室气体" ], "ds_subject_tags": [ "大气化学" ], "ds_class_tags": [], "ds_locus_tags": [ "格尔木", "青藏高原", "青海省" ], "ds_time_tags": [ 1994, 2016 ], "ds_contributors": [ { "true_name": "吴昊", "email": "wcgse@live.cn", "work_for": "中国大气本底基准观象台", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "王剑琼", "email": "killer_meihua@163.com", "work_for": "中国大气本底基准观象台", "country": "中国" } ], "ds_managers": [ { "true_name": "张国庆", "email": "qhzgq@126.com", "work_for": "中国大气本底基准观象台", "country": "中国" }, { "true_name": "吴昊", "email": "wcgse@live.cn", "work_for": "中国大气本底基准观象台", "country": "中国" } ], "category": "大气本底" }