Liang Haihe, chief worker of China Meteorological Administration Meteorological Observation Center, said that global carbon dioxide concentration continued to rise in 2017.
At a press conference held by the China Meteorological Administration on the same day, he said that the China Meteorological Administration had recently issued the “China Greenhouse Gas Bulletin 2017 (No. 7)”, which corresponds to the “World Meteorological Organization 2017 WMO Greenhouse Gas Bulletin (No. 14)” issued by the United Nations on November 22, 2018.
Greenhouse gases mainly include carbon dioxide, methane, nitrous oxide, sulfur hexafluoride, hydrofluorocarbons and so on.
The World Meteorological Organization (WMO) issued its annual communique in 2017, which said that the concentration of major greenhouse gases in the global atmosphere continued to break through the historical record since instruments were observed. The increase of atmospheric carbon dioxide concentration in 2016-2017 was significantly lower than that in 2015-2016. Global atmospheric concentrations of methane and nitrous oxide reached new heights in 2017.
Liang Haihe said that in 1992, China Meteorological Administration first carried out background greenhouse gas concentration observation in China. At the end of 2016, China launched the first global carbon dioxide observation scientific experiment satellite (TanSat). At present, it has initially formed a three-dimensional observation capability of greenhouse gases, which integrates space, space and earth.
It is reported that at present, the China Meteorological Administration has seven ground-based greenhouse gas observation stations, namely, Wariguan in Qinghai, Shangdianzi in Beijing, Linan in Zhejiang, Longfeng Mountain in Heilongjiang, Jinsha in Hubei, Shangri-la in Yunnan and Akdara in Xinjiang. Wariguan Station in Qinghai Province is one of the 31 WMO/GAW atmospheric background stations in the world. In 2017, the concentrations of carbon dioxide, methane and nitrous oxide observed at Wariguan Station in Qinghai Province increased, which were higher than the global average in the same period, especially the methane concentration was significantly higher than the global average. In 2017, the greenhouse gas concentration of three regional background stations, Shangdianzi in Beijing, Linan in Zhejiang and Longfengshan in Heilongjiang, also increased.