Atmospheric CO2 Concentrations--The Canadian Background Air Pollution Monitoring Network (1993) (NDP-034)

Flask air samples collected at roughly weekly intervals at three Canadian sites [Alert, Northwest Territories (July 1975 through July 1992); Sable Island, Nova Scotia (March 1975 through July 1992); and Cape St. James, British Columbia (May 1979 through July 1992)] were analyzed for CO2 concentration with the measurements directly traceable to the WMO primary CO2 standards. Each record includes the date, atmospheric CO2 concentration, and flask classification code. They provide an accurate record of CO2 concentration levels in Canada during the past two decades. Because these data are directly traceable to WMO standards, this record may be compared with records from other Background Air Pollution Monitoring Network (BAPMoN) stations. The data are in three files (one for each of the monitoring stations) ranging in size from 9.4 to 20.1 kB. For access to the data files, click this link to the CDIAC data transition website: http://cdiac.ess-dive.lbl.gov/ndps/ndp034.html

研究人员于加拿大三个监测站点采集气瓶空气样品，采样频率约为每周一次。三个站点分别为：西北地区阿尔特（Alert, Northwest Territories，1975年7月至1992年7月）、新斯科舍省萨布尔岛（Sable Island, Nova Scotia，1975年3月至1992年7月）以及不列颠哥伦比亚省圣詹姆斯角（Cape St. James, British Columbia，1979年5月至1992年7月）。研究人员对样品开展二氧化碳（CO₂）浓度分析，所有测量结果均可溯源至世界气象组织（World Meteorological Organization, WMO）二氧化碳一级标准。

每条记录包含采样日期、大气二氧化碳浓度及气瓶分类代码。该数据集为近二十年间加拿大境内的大气二氧化碳浓度水平提供了精准的观测记录。由于本次测量结果可直接溯源至世界气象组织标准，因此可与其他本底空气污染监测网（Background Air Pollution Monitoring Network, BAPMoN）站点的观测记录进行比对。

数据集包含三个数据文件（对应每个监测站点各一个），文件大小介于9.4 kB至20.1 kB之间。若需获取该数据集文件，请点击以下链接访问二氧化碳信息分析中心（Carbon Dioxide Information Analysis Center, CDIAC）数据迁移网站：http://cdiac.ess-dive.lbl.gov/ndps/ndp034.html