TY - Data T1 - Monthly Average Value of Sulfur Dioxide at Longfengshan Atmospheric Background Station in Heilongjiang Province in 2005 A1 - Zhang Xiaochun DO - 10.12072/ncdc.lfs.db2922.2023 PY - 2021 DA - 2021-01-12 PB - National Cryosphere Desert Data Center AB - This dataset includes monthly statistical data of sulfur dioxide online observation at the Longfengshan Regional Atmospheric Background Station in Heilongjiang Province, China from July to December 2005, which can represent the sulfur dioxide 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 sulfur dioxide values DB - NCDC UR - http://www.ncdc.ac.cn/portal/metadata/0ac86bd2-0d1d-11e6-af40-5cc5d45ad3ae ER -