Hence the search for other things that might assist the ice s rapid disappearance.
今后对其他事物的研究可能会对解释海冰的快速消失带来帮助。
Forcing the issue
解决问题
One is physical change in the ice itself.
另一个原因是海冰自身的物理结构发生了改变。
Formerly a solid mass that melted and refroze at its edges, it is now thinner, morefractured, and so more liable to melt.
以前融化和冻结仅发生在冰块的边缘,但是它现在变得更薄,更易破裂,并且更倾向融化。
But that is a marginal effect. Filling the gap between model and reality may need somethingbesides this.
但这只是名副其实的边际效应。要弥合模型与现实的差距,还需要其他原因。
The latest candidates are short-term climate forcings.
最后一个候选者是所谓的短期气候强迫物质。
These are pollutants, particularly ozone and soot, that do not hang around in the atmosphereas carbon dioxide does, but have to be renewed continually if they are to have a lastingeffect.
即是大气污染物,尤其是臭氧和煤烟。尽管它们不能像二氧化碳那样在大气中停留,以至于需要不断补充以持续发挥作用。
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