Declines in gaseous elemental mercury concentrations in China caused by anthropogenic emission reductions as revealed by mercury stable isotopes

Xuewu Fu1, Xian Wu1, Hui Zhang2, Kaihui Tang1, Xun Wang1, Hui Zhang1, Qianwen Deng1 and Xinbin Feng3, (1)Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China, (2)Institute of Geochemistry, Chinese Academy of Sciences, Guiyag, China, (3)GIG Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China