此外,北大西洋热输送系统关闭所引起的温度变化太小,无法解释新仙女木天气。
"It is conceivable that this drop in methane contributed to the Younger Dryas cooling episode," says Smith.史密斯说:“我们可以设想,甲烷的减少导致新仙女木降温时期的来临。”
They also disagree about whether an impact or some other climate event caused the Younger Dryas at the end of the ice age.他们对是否是撞击的影响还是其他的天气影响导致后冰河世纪的新仙女木事件也存在分歧。