%0 Dataset %T Monthly Average Value of Carbon Monoxide at Longfengshan Atmospheric Background Station in Heilongjiangin 2005 %J National Cryosphere Desert Data Center %I National Cryosphere Desert Data Center(www.ncdc.ac.cn) %U http://www.ncdc.ac.cn/portal/metadata/0d198d62-0d1d-11e6-af40-5cc5d45ad3ae %W NCDC %R 10.12072/lfs.001.2017.db %A Zhang Xiaochun %K Reactive gas;carbon monoxide;monthly mean %X This dataset includes monthly statistical data of carbon monoxide online observation at the Longfengshan Regional Atmospheric Background Station in Heilongjiang Province, China from July to December 2005, which can represent the carbon monoxide background situation in Northeast China during the same period. The dataset has undergone strict quality control, and statistical variables include monthly average, median, standard deviation, sample number, monthly maximum, and monthly minimum of carbon monoxide