由于海冰覆盖,北极碳汇(Arctic Carbon Sink)在全球碳通量预算中经常被忽略或简单处理。但随着全球变化加剧,北极发生快速变化,北极碳循环及其对全球变化的响应与反馈日趋重要。综合对北极碳汇的研究结果,分析了北极碳汇的来源、变化以及主要调控因子,评估了北极碳汇现状。探讨了在全球变化中,影响北极碳汇变化的因素及其对未来北极碳汇变化趋势的影响。
The Arctic carbon sink was always ignored in the global carbon budget or dealt with in a simple way because the central Arctic was covered by ice year-long. This view has changed, however, recently. With the increasing rates of global changes, the Arctic Ocean also changes. It becomes clearer that it is of paramount importance to understand the interplay between the carbon cycle in Arctic Ocean. This paper summarizes the current results on Arctic carbon sink (ACS) , analyzes sources, variations and the controlling factors of the ACS, and then estimates the current status of ASC. The trend of ACS variation in the future is also evaluated here.