Methane concentration and delta deuterium of methane from the NGRIP ice core

The causes of past changes in the global methane cycle and especially the role of marine methane hydrate (clathrate) destabilization events are a matter of debate. Here we...既往全球甲烷循环变化的成因，尤其是海洋甲烷水合物（methane hydrate (clathrate)）失稳事件所发挥的作用，目前仍存在争议。在此我们……