There is obvious jump at higher climatic hierarchy and lower climatic hierarchy can feeds back to the climatic jump.The positive (negative) feedback highlight(conceal) the climatic jump.

• 突变在气候变化的高层次上有显著反映，低层次对突变具有反馈作用，正(负)反馈作用突出(掩盖)气候变化的突变性；