Climate models often exhibit spurious long-term changes independent of either internal variability or changes to external forcing. Such changes, referred to as model “drift,” may distort the estimate of forced change in transient climate simulations.
无论中英文文献,多读读自然就有了,就好像热带气旋生成过程“育儿袋(Pouch)”假说,想在百度找到这种生动比喻的说法的解释肯定是不可能的