The climatic evolution since the lateglacial epoch in the Zoigê area reflected by sporopollen records may be well correlated with the global climate change.
孢粉记录所反映的若尔盖地区晚冰期以来的气候演化与全球气候变化具有较好的可比性。
2
As geologists mapped glacial deposits in the late nineteenth century, they became aware that there were several layers of drift, the lower ones corresponding to earlier ice ages.