Simulated excess ice impacts on permafrost and greenhouse gases in Tiksi, Eastern Siberia during 1980-2099

A coupled hydrological and biogeochemical model (CHANGE) represented an algoritum to assess how excess ice affects permafrost thaw and associated hydrologic responses, and possible impacts on carbon dioxide and methane fluxes. The model was used to simulate a moss covered tundra site in northeastern Siberia with various vertical initializations of excess ice under a future warming climate scenario. The results are summarized in the Reference paper.一款耦合水文-生物地球化学模型（coupled hydrological and biogeochemical model，CHANGE）构建了一套评估算法，用以分析过量冰对多年冻土融化及相关水文响应的影响，以及其对二氧化碳与甲烷通量的潜在作用。该模型被应用于模拟西伯利亚东北部一处覆有苔藓的苔原站点，在未来变暖气候情景下，设置多组过量冰的垂直初始分布方案开展仿真实验。相关研究结果已汇总于对应的参考文献论文中。