Figure 1

The emission estimates for 2010–2018 and the model corrections to net emissions in China. The four regions are the north-eastern China (NE), the south-eastern China (SE), the north-western China (NW), and the Qinghai-Tibetan Plateau (TP) areas. (Figures generated by ArcGIS Desktop 10.5.1, https://desktop.arcgis.com/en/arcmap/10.5/).