The climatic change in the Quaternary period is characterized by the alternation of glacials and interglacials. Since the early 1970’s, the classic quadri-glaciation pattern has been gradually replaced by the concept...The climatic change in the Quaternary period is characterized by the alternation of glacials and interglacials. Since the early 1970’s, the classic quadri-glaciation pattern has been gradually replaced by the concept of multiple-glaciations. However, the problem of the total number of climatic cycles in the entire Quaternary still remains to be solved.展开更多
文摘The climatic change in the Quaternary period is characterized by the alternation of glacials and interglacials. Since the early 1970’s, the classic quadri-glaciation pattern has been gradually replaced by the concept of multiple-glaciations. However, the problem of the total number of climatic cycles in the entire Quaternary still remains to be solved.