Mercury(Hg)is a volatile,bioaccumulative,and toxic metal of broad concern.It can travel long distances in the atmosphere as gaseous Hg(0)and enter marine and terrestrial ecosystems via wet and dry deposition pathways,...Mercury(Hg)is a volatile,bioaccumulative,and toxic metal of broad concern.It can travel long distances in the atmosphere as gaseous Hg(0)and enter marine and terrestrial ecosystems via wet and dry deposition pathways,leaving a potent risk to wildlife and human health[1].The global cycle of Hg involves the surface Hg cycle in the atmosphere-land-ocean system and the deep Hg cycle in interior reservoirs(e.g.,crust and mantle).The biogeochemical cycle of Hg in the atmosphere-land-ocean system has been extensively studied for decades[1].The deep Hg cycle and its linkage to the surface Hg cycle remains poorly constrained[2].Plate tectonics links surface and interior systems via oceanic subduction and continental collision.Understanding the geochemical fate of Hg during these two processes is crucial to elucidating the linkage between the surface Hg and deep Hg cycles.展开更多
基金Chinese Academy of Sciences through the Hundred Talent Plan to Runsheng Yin,and the Fundamental Research Funds for the Central Universities to Yi-Xiang Chen.
文摘Mercury(Hg)is a volatile,bioaccumulative,and toxic metal of broad concern.It can travel long distances in the atmosphere as gaseous Hg(0)and enter marine and terrestrial ecosystems via wet and dry deposition pathways,leaving a potent risk to wildlife and human health[1].The global cycle of Hg involves the surface Hg cycle in the atmosphere-land-ocean system and the deep Hg cycle in interior reservoirs(e.g.,crust and mantle).The biogeochemical cycle of Hg in the atmosphere-land-ocean system has been extensively studied for decades[1].The deep Hg cycle and its linkage to the surface Hg cycle remains poorly constrained[2].Plate tectonics links surface and interior systems via oceanic subduction and continental collision.Understanding the geochemical fate of Hg during these two processes is crucial to elucidating the linkage between the surface Hg and deep Hg cycles.